Initial commit

9 files changed, 4779 insertions, 0 deletions

diff --git a/tksao/panner/lex.C b/tksao/panner/lex.C
new file mode 100644
index 0000000..0d976f1
--- /dev/null
+++ b/tksao/panner/lex.C
@@ -0,0 +1,1832 @@
+#line 2 "panner/lex.C"
+
+#line 4 "panner/lex.C"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 35
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+    /* The c++ scanner is a mess. The FlexLexer.h header file relies on the
+     * following macro. This is required in order to pass the c++-multiple-scanners
+     * test in the regression suite. We get reports that it breaks inheritance.
+     * We will address this in a future release of flex, or omit the C++ scanner
+     * altogether.
+     */
+    #define yyFlexLexer pnFlexLexer
+
+/* First, we deal with  platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types. 
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+typedef uint64_t flex_uint64_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
+
+#endif /* ! FLEXINT_H */
+
+/* begin standard C++ headers. */
+#include <iostream> 
+#include <errno.h>
+#include <cstdlib>
+#include <cstring>
+/* end standard C++ headers. */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else	/* ! __cplusplus */
+
+/* C99 requires __STDC__ to be defined as 1. */
+#if defined (__STDC__)
+
+#define YY_USE_CONST
+
+#endif	/* defined (__STDC__) */
+#endif	/* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index.  If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* Enter a start condition.  This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN (yy_start) = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state.  The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START (((yy_start) - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE yyrestart( yyin  )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#define YY_BUF_SIZE 16384
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+extern yy_size_t yyleng;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+    #define YY_LESS_LINENO(n)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*yy_cp = (yy_hold_char); \
+		YY_RESTORE_YY_MORE_OFFSET \
+		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+		} \
+	while ( 0 )
+
+#define unput(c) yyunput( c, (yytext_ptr)  )
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+	{
+
+	std::istream* yy_input_file;
+
+	char *yy_ch_buf;		/* input buffer */
+	char *yy_buf_pos;		/* current position in input buffer */
+
+	/* Size of input buffer in bytes, not including room for EOB
+	 * characters.
+	 */
+	yy_size_t yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	yy_size_t yy_n_chars;
+
+	/* Whether we "own" the buffer - i.e., we know we created it,
+	 * and can realloc() it to grow it, and should free() it to
+	 * delete it.
+	 */
+	int yy_is_our_buffer;
+
+	/* Whether this is an "interactive" input source; if so, and
+	 * if we're using stdio for input, then we want to use getc()
+	 * instead of fread(), to make sure we stop fetching input after
+	 * each newline.
+	 */
+	int yy_is_interactive;
+
+	/* Whether we're considered to be at the beginning of a line.
+	 * If so, '^' rules will be active on the next match, otherwise
+	 * not.
+	 */
+	int yy_at_bol;
+
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+    
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
+
+	int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+	/* When an EOF's been seen but there's still some text to process
+	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+	 * shouldn't try reading from the input source any more.  We might
+	 * still have a bunch of tokens to match, though, because of
+	 * possible backing-up.
+	 *
+	 * When we actually see the EOF, we change the status to "new"
+	 * (via yyrestart()), so that the user can continue scanning by
+	 * just pointing yyin at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+
+	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+void *pnalloc (yy_size_t  );
+void *pnrealloc (void *,yy_size_t  );
+void pnfree (void *  );
+
+#define yy_new_buffer yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        yyensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+	}
+
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){\
+        yyensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+	}
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+#define YY_SKIP_YYWRAP
+
+typedef unsigned char YY_CHAR;
+
+#define yytext_ptr yytext
+
+#include <FlexLexer.h>
+
+int yyFlexLexer::yywrap() { return 1; }
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+	(yytext_ptr) = yy_bp; \
+	yyleng = (yy_size_t) (yy_cp - yy_bp); \
+	(yy_hold_char) = *yy_cp; \
+	*yy_cp = '\0'; \
+	(yy_c_buf_p) = yy_cp;
+
+#define YY_NUM_RULES 38
+#define YY_END_OF_BUFFER 39
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+	{
+	flex_int32_t yy_verify;
+	flex_int32_t yy_nxt;
+	};
+static yyconst flex_int16_t yy_accept[144] =
+    {   0,
+        0,    0,   39,   37,   36,   38,   37,   37,   32,   32,
+       37,   37,   37,   37,   37,   37,   37,   37,   37,   15,
+       37,   37,   37,   37,   37,   37,   37,   37,   30,   36,
+        0,   32,   34,   33,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,   16,
+        0,   18,    0,    0,    0,    0,   24,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,   33,   35,    0,    0,
+        0,    0,    0,    6,    0,    8,    0,    0,    0,    0,
+        0,    0,   17,   19,    0,    0,    0,    0,    0,    0,
+        0,   28,    0,   31,    0,   34,    1,    0,    0,    0,
+
+        0,    0,    0,   10,    0,    0,    0,    0,    0,   21,
+       22,   23,    0,    0,   27,    0,    2,    3,    0,    5,
+        7,    0,    0,   12,    0,    0,   20,    0,    0,   29,
+        0,    9,    0,    0,   14,   25,    0,    4,    0,   13,
+       26,   11,    0
+    } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    2,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    4,    1,    4,    5,    1,    6,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    1,    1,    1,
+        1,    1,    1,    1,    8,    9,   10,   11,   12,   13,
+       14,   15,   16,    1,    1,   17,   18,   19,   20,   21,
+        1,   22,   23,   24,   25,   26,   27,   28,   29,   30,
+        1,    1,    1,    1,    1,    1,   31,   32,   33,   34,
+
+       35,   36,   37,   38,   39,    1,    1,   40,   41,   42,
+       43,   44,    1,   45,   46,   47,   48,   49,   50,   51,
+       52,   53,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1
+    } ;
+
+static yyconst flex_int32_t yy_meta[54] =
+    {   0,
+        1,    1,    1,    1,    1,    2,    2,    2,    2,    2,
+        2,    2,    2,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        2,    2,    2,    2,    2,    2,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1
+    } ;
+
+static yyconst flex_int16_t yy_base[145] =
+    {   0,
+        0,    0,  300,  320,  297,  320,   49,   51,   54,   57,
+       56,   50,   59,   53,   65,   62,   63,   58,   58,   60,
+       68,   75,   72,   70,   91,   91,  102,  107,  104,  296,
+      112,  115,  118,  135,  122,    0,  111,  118,  121,  125,
+      135,  134,  131,  125,  135,  146,  144,  132,  135,  320,
+      148,  320,  143,  140,  144,  135,  320,  144,  162,  154,
+      155,  155,  168,  166,  187,  191,  197,    0,  162,  179,
+      197,  185,  182,  320,  185,  320,  195,  198,  196,  200,
+      207,  200,  320,  320,  205,  192,  208,  209,  214,  200,
+      203,  320,  201,  320,  220,  229,  320,  222,  227,  242,
+
+      237,  240,  238,  320,  237,  243,  239,  237,  234,  320,
+      320,  320,  235,  244,  320,  246,  320,  320,  239,  320,
+      320,  239,  249,  320,  250,  248,  320,  256,  249,  320,
+      247,  320,  247,  276,  320,  320,  276,  320,  284,  320,
+      320,  320,  320,  295
+    } ;
+
+static yyconst flex_int16_t yy_def[145] =
+    {   0,
+      143,    1,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  144,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  144,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,    0,  143
+    } ;
+
+static yyconst flex_int16_t yy_nxt[374] =
+    {   0,
+        4,    5,    6,    7,    8,    9,   10,    4,   11,   12,
+       13,   14,   15,   16,   17,   18,    4,   19,   20,   21,
+       22,   23,   24,   25,   26,   27,   28,    4,   29,    4,
+        4,   11,   12,   13,   14,   15,   16,   17,   18,    4,
+       19,   20,   21,   22,   23,   24,   25,   26,   27,   28,
+        4,   29,    4,   31,   32,   32,   33,   33,   34,   32,
+       32,   34,   32,   32,   37,   35,   39,   38,   35,   40,
+       41,   42,   43,   44,   45,   47,   48,   49,   46,   50,
+       51,   36,   53,   54,   55,   56,   52,   37,   35,   39,
+       38,   35,   40,   41,   42,   43,   44,   45,   47,   48,
+
+       49,   46,   50,   51,   36,   53,   54,   55,   56,   52,
+       57,   59,   58,   60,   61,   64,   62,   33,   33,   34,
+       32,   32,   63,   33,   33,   66,   35,   67,   67,   65,
+       69,   70,   71,   57,   59,   58,   60,   61,   64,   62,
+       33,   33,   72,   73,   74,   63,   35,   75,   76,   35,
+       77,   80,   65,   69,   70,   71,   78,   81,   82,   79,
+       83,   84,   85,   86,   87,   72,   73,   74,   88,   35,
+       75,   76,   89,   77,   80,   90,   91,   92,   93,   78,
+       81,   82,   79,   83,   84,   85,   86,   87,   94,   97,
+       95,   88,   96,   96,   98,   89,   67,   67,   90,   91,
+
+       92,   93,   67,   67,   99,  100,  101,  102,  103,  104,
+      105,   94,   97,  106,  107,  108,  109,   98,  110,  111,
+      112,  113,  114,  115,  116,   96,   96,   99,  100,  101,
+      102,  103,  104,  105,   96,   96,  106,  107,  108,  109,
+      117,  110,  111,  112,  113,  114,  115,  116,  118,  119,
+      120,  121,  122,  123,  124,  125,  126,  127,  128,  129,
+      130,  131,  132,  117,  133,  134,  135,  136,  137,  138,
+      139,  118,  119,  120,  121,  122,  123,  124,  125,  126,
+      127,  128,  129,  130,  131,  132,  140,  133,  134,  135,
+      136,  137,  138,  139,  141,  142,   68,   30,   30,  143,
+
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  140,
+      143,  143,  143,  143,  143,  143,  143,  141,  142,    3,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143
+    } ;
+
+static yyconst flex_int16_t yy_chk[374] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    7,    7,    7,    8,    8,    9,    9,
+        9,   10,   10,   10,   11,    9,   12,   11,   10,   12,
+       13,   14,   15,   16,   17,   18,   18,   19,   17,   20,
+       21,    9,   22,   23,   24,   24,   21,   11,    9,   12,
+       11,   10,   12,   13,   14,   15,   16,   17,   18,   18,
+
+       19,   17,   20,   21,    9,   22,   23,   24,   24,   21,
+       25,   26,   25,   27,   28,   29,   28,   31,   31,   32,
+       32,   32,   28,   33,   33,   35,   32,   35,   35,   33,
+       37,   38,   39,   25,   26,   25,   27,   28,   29,   28,
+       34,   34,   40,   41,   42,   28,   34,   43,   44,   32,
+       45,   47,   33,   37,   38,   39,   46,   48,   49,   46,
+       51,   53,   54,   55,   56,   40,   41,   42,   58,   34,
+       43,   44,   59,   45,   47,   60,   61,   62,   63,   46,
+       48,   49,   46,   51,   53,   54,   55,   56,   64,   69,
+       65,   58,   65,   65,   70,   59,   66,   66,   60,   61,
+
+       62,   63,   67,   67,   71,   72,   73,   75,   77,   78,
+       79,   64,   69,   80,   81,   82,   85,   70,   86,   87,
+       88,   89,   90,   91,   93,   95,   95,   71,   72,   73,
+       75,   77,   78,   79,   96,   96,   80,   81,   82,   85,
+       98,   86,   87,   88,   89,   90,   91,   93,   99,  100,
+      101,  102,  103,  105,  106,  107,  108,  109,  113,  114,
+      116,  119,  122,   98,  123,  125,  126,  128,  129,  131,
+      133,   99,  100,  101,  102,  103,  105,  106,  107,  108,
+      109,  113,  114,  116,  119,  122,  134,  123,  125,  126,
+      128,  129,  131,  133,  137,  139,  144,   30,    5,    3,
+
+        0,    0,    0,    0,    0,    0,    0,    0,    0,  134,
+        0,    0,    0,    0,    0,    0,    0,  137,  139,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143,  143,  143,  143,  143,  143,  143,  143,
+      143,  143,  143
+    } ;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+#line 1 "panner/lex.L"
+/* Copyright (C) 1999-2016
+ * Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+ * For conditions of distribution and use, see copyright notice in "copyright"
+ */
+#line 12 "panner/lex.L"
+  #include <stdio.h>
+  #include <stdlib.h>
+  #include <string.h>
+
+  #include "parser.H"
+
+  extern YYSTYPE* pnlval;
+/* rules */
+#line 550 "panner/lex.C"
+
+#define INITIAL 0
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * );
+#endif
+
+#ifndef YY_NO_INPUT
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+#define ECHO LexerOutput( yytext, yyleng )
+#endif
+
+/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+\
+	if ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \
+		YY_FATAL_ERROR( "input in flex scanner failed" );
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) LexerError( msg )
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+#define YY_DECL int yyFlexLexer::yylex()
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+	YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp, *yy_bp;
+	register int yy_act;
+    
+#line 26 "panner/lex.L"
+
+
+#line 653 "panner/lex.C"
+
+	if ( !(yy_init) )
+		{
+		(yy_init) = 1;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! (yy_start) )
+			(yy_start) = 1;	/* first start state */
+
+		if ( ! yyin )
+			yyin = & std::cin;
+
+		if ( ! yyout )
+			yyout = & std::cout;
+
+		if ( ! YY_CURRENT_BUFFER ) {
+			yyensure_buffer_stack ();
+			YY_CURRENT_BUFFER_LVALUE =
+				yy_create_buffer( yyin, YY_BUF_SIZE );
+		}
+
+		yy_load_buffer_state(  );
+		}
+
+	while ( 1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = (yy_c_buf_p);
+
+		/* Support of yytext. */
+		*yy_cp = (yy_hold_char);
+
+		/* yy_bp points to the position in yy_ch_buf of the start of
+		 * the current run.
+		 */
+		yy_bp = yy_cp;
+
+		yy_current_state = (yy_start);
+yy_match:
+		do
+			{
+			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+			if ( yy_accept[yy_current_state] )
+				{
+				(yy_last_accepting_state) = yy_current_state;
+				(yy_last_accepting_cpos) = yy_cp;
+				}
+			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+				{
+				yy_current_state = (int) yy_def[yy_current_state];
+				if ( yy_current_state >= 144 )
+					yy_c = yy_meta[(unsigned int) yy_c];
+				}
+			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+			++yy_cp;
+			}
+		while ( yy_current_state != 143 );
+		yy_cp = (yy_last_accepting_cpos);
+		yy_current_state = (yy_last_accepting_state);
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+
+		YY_DO_BEFORE_ACTION;
+
+do_action:	/* This label is used only to access EOF actions. */
+
+		switch ( yy_act )
+	{ /* beginning of action switch */
+			case 0: /* must back up */
+			/* undo the effects of YY_DO_BEFORE_ACTION */
+			*yy_cp = (yy_hold_char);
+			yy_cp = (yy_last_accepting_cpos);
+			yy_current_state = (yy_last_accepting_state);
+			goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+#line 28 "panner/lex.L"
+{return BBOX_;}
+	YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 29 "panner/lex.L"
+{return BEGIN_;}
+	YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 30 "panner/lex.L"
+{return CLEAR_;}
+	YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 31 "panner/lex.L"
+{return COMPASS_;}
+	YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 32 "panner/lex.L"
+{return DEBUG_;}
+	YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 33 "panner/lex.L"
+{return END_;}
+	YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 34 "panner/lex.L"
+{return FALSE_;}
+	YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 35 "panner/lex.L"
+{return GET_;}
+	YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 36 "panner/lex.L"
+{return HEIGHT_;}
+	YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 37 "panner/lex.L"
+{return HIDE_;}
+	YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 38 "panner/lex.L"
+{return HIGHLITE_;}
+	YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 39 "panner/lex.L"
+{return IMAGE_;}
+	YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 40 "panner/lex.L"
+{return INVALID_;}
+	YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 41 "panner/lex.L"
+{return MOTION_;}
+	YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 42 "panner/lex.L"
+{return N_;}
+	YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 43 "panner/lex.L"
+{return NO_;}
+	YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 44 "panner/lex.L"
+{return OFF_;}
+	YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 45 "panner/lex.L"
+{return ON_;}
+	YY_BREAK
+case 19:
+YY_RULE_SETUP
+#line 46 "panner/lex.L"
+{return PAN_;}
+	YY_BREAK
+case 20:
+YY_RULE_SETUP
+#line 47 "panner/lex.L"
+{return RESET_;}
+	YY_BREAK
+case 21:
+YY_RULE_SETUP
+#line 48 "panner/lex.L"
+{return SHOW_;}
+	YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 49 "panner/lex.L"
+{return SIZE_;}
+	YY_BREAK
+case 23:
+YY_RULE_SETUP
+#line 50 "panner/lex.L"
+{return TRUE_;}
+	YY_BREAK
+case 24:
+YY_RULE_SETUP
+#line 51 "panner/lex.L"
+{return TO_;}
+	YY_BREAK
+case 25:
+YY_RULE_SETUP
+#line 52 "panner/lex.L"
+{return UPDATE_;}
+	YY_BREAK
+case 26:
+YY_RULE_SETUP
+#line 53 "panner/lex.L"
+{return VERSION_;}
+	YY_BREAK
+case 27:
+YY_RULE_SETUP
+#line 54 "panner/lex.L"
+{return WARP_;}
+	YY_BREAK
+case 28:
+YY_RULE_SETUP
+#line 55 "panner/lex.L"
+{return WCS_;}
+	YY_BREAK
+case 29:
+YY_RULE_SETUP
+#line 56 "panner/lex.L"
+{return WIDTH_;}
+	YY_BREAK
+case 30:
+YY_RULE_SETUP
+#line 57 "panner/lex.L"
+{return Y_;}
+	YY_BREAK
+case 31:
+YY_RULE_SETUP
+#line 58 "panner/lex.L"
+{return YES_;}
+	YY_BREAK
+case 32:
+YY_RULE_SETUP
+#line 61 "panner/lex.L"
+{ // Integer
+		  pnlval->integer = atoi(yytext);
+		  return INT;
+		}
+	YY_BREAK
+case 33:
+#line 67 "panner/lex.L"
+case 34:
+YY_RULE_SETUP
+#line 67 "panner/lex.L"
+{ // Real Number
+		  pnlval->real = atof(yytext);
+		  return REAL;
+		}
+	YY_BREAK
+case 35:
+YY_RULE_SETUP
+#line 72 "panner/lex.L"
+{ // Pointer
+		  pnlval->ptr = (void*)strtoul(yytext,NULL,16);
+		  return POINTER;
+		}
+	YY_BREAK
+case 36:
+YY_RULE_SETUP
+#line 77 "panner/lex.L"
+{ // White Spaces
+		} 
+	YY_BREAK
+case 37:
+YY_RULE_SETUP
+#line 80 "panner/lex.L"
+{ // Else, return the char
+		  return yytext[0];
+		}
+	YY_BREAK
+case 38:
+YY_RULE_SETUP
+#line 84 "panner/lex.L"
+ECHO;
+	YY_BREAK
+#line 931 "panner/lex.C"
+case YY_STATE_EOF(INITIAL):
+	yyterminate();
+
+	case YY_END_OF_BUFFER:
+		{
+		/* Amount of text matched not including the EOB char. */
+		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = (yy_hold_char);
+		YY_RESTORE_YY_MORE_OFFSET
+
+		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+			{
+			/* We're scanning a new file or input source.  It's
+			 * possible that this happened because the user
+			 * just pointed yyin at a new source and called
+			 * yylex().  If so, then we have to assure
+			 * consistency between YY_CURRENT_BUFFER and our
+			 * globals.  Here is the right place to do so, because
+			 * this is the first action (other than possibly a
+			 * back-up) that will match for the new input source.
+			 */
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+			}
+
+		/* Note that here we test for yy_c_buf_p "<=" to the position
+		 * of the first EOB in the buffer, since yy_c_buf_p will
+		 * already have been incremented past the NUL character
+		 * (since all states make transitions on EOB to the
+		 * end-of-buffer state).  Contrast this with the test
+		 * in input().
+		 */
+		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state(  );
+
+			/* Okay, we're now positioned to make the NUL
+			 * transition.  We couldn't have
+			 * yy_get_previous_state() go ahead and do it
+			 * for us because it doesn't know how to deal
+			 * with the possibility of jamming (and we don't
+			 * want to build jamming into it because then it
+			 * will run more slowly).
+			 */
+
+			yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++(yy_c_buf_p);
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = (yy_last_accepting_cpos);
+				yy_current_state = (yy_last_accepting_state);
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer(  ) )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				(yy_did_buffer_switch_on_eof) = 0;
+
+				if ( yywrap(  ) )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * yytext, we can now set up
+					 * yy_c_buf_p so that if some total
+					 * hoser (like flex itself) wants to
+					 * call the scanner after we return the
+					 * YY_NULL, it'll still work - another
+					 * YY_NULL will get returned.
+					 */
+					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				(yy_c_buf_p) =
+					(yytext_ptr) + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				(yy_c_buf_p) =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_find_action;
+			}
+		break;
+		}
+
+	default:
+		YY_FATAL_ERROR(
+			"fatal flex scanner internal error--no action found" );
+	} /* end of action switch */
+		} /* end of scanning one token */
+} /* end of yylex */
+
+/* The contents of this function are C++ specific, so the () macro is not used.
+ */
+yyFlexLexer::yyFlexLexer( std::istream* arg_yyin, std::ostream* arg_yyout )
+{
+	yyin = arg_yyin;
+	yyout = arg_yyout;
+	yy_c_buf_p = 0;
+	yy_init = 0;
+	yy_start = 0;
+	yy_flex_debug = 0;
+	yylineno = 1;	// this will only get updated if %option yylineno
+
+	yy_did_buffer_switch_on_eof = 0;
+
+	yy_looking_for_trail_begin = 0;
+	yy_more_flag = 0;
+	yy_more_len = 0;
+	yy_more_offset = yy_prev_more_offset = 0;
+
+	yy_start_stack_ptr = yy_start_stack_depth = 0;
+	yy_start_stack = NULL;
+
+	yy_buffer_stack = 0;
+	yy_buffer_stack_top = 0;
+	yy_buffer_stack_max = 0;
+
+	yy_state_buf = 0;
+
+}
+
+/* The contents of this function are C++ specific, so the () macro is not used.
+ */
+yyFlexLexer::~yyFlexLexer()
+{
+	delete [] yy_state_buf;
+	pnfree(yy_start_stack  );
+	yy_delete_buffer( YY_CURRENT_BUFFER );
+	pnfree(yy_buffer_stack  );
+}
+
+/* The contents of this function are C++ specific, so the () macro is not used.
+ */
+void yyFlexLexer::switch_streams( std::istream* new_in, std::ostream* new_out )
+{
+	if ( new_in )
+		{
+		yy_delete_buffer( YY_CURRENT_BUFFER );
+		yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE  ) );
+		}
+
+	if ( new_out )
+		yyout = new_out;
+}
+
+#ifdef YY_INTERACTIVE
+size_t yyFlexLexer::LexerInput( char* buf, size_t /* max_size */ )
+#else
+size_t yyFlexLexer::LexerInput( char* buf, size_t max_size )
+#endif
+{
+	if ( yyin->eof() || yyin->fail() )
+		return 0;
+
+#ifdef YY_INTERACTIVE
+	yyin->get( buf[0] );
+
+	if ( yyin->eof() )
+		return 0;
+
+	if ( yyin->bad() )
+		return -1;
+
+	return 1;
+
+#else
+	(void) yyin->read( buf, max_size );
+
+	if ( yyin->bad() )
+		return -1;
+	else
+		return yyin->gcount();
+#endif
+}
+
+void yyFlexLexer::LexerOutput( const char* buf, size_t size )
+{
+	(void) yyout->write( buf, size );
+}
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ *	EOB_ACT_LAST_MATCH -
+ *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ *	EOB_ACT_END_OF_FILE - end of file
+ */
+int yyFlexLexer::yy_get_next_buffer()
+{
+    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	register char *source = (yytext_ptr);
+	register int number_to_move, i;
+	int ret_val;
+
+	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
+		YY_FATAL_ERROR(
+		"fatal flex scanner internal error--end of buffer missed" );
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+		{ /* Don't try to fill the buffer, so this is an EOF. */
+		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
+			{
+			/* We matched a single character, the EOB, so
+			 * treat this as a final EOF.
+			 */
+			return EOB_ACT_END_OF_FILE;
+			}
+
+		else
+			{
+			/* We matched some text prior to the EOB, first
+			 * process it.
+			 */
+			return EOB_ACT_LAST_MATCH;
+			}
+		}
+
+	/* Try to read more data. */
+
+	/* First move last chars to start of buffer. */
+	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
+
+	for ( i = 0; i < number_to_move; ++i )
+		*(dest++) = *(source++);
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+		/* don't do the read, it's not guaranteed to return an EOF,
+		 * just force an EOF
+		 */
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
+
+	else
+		{
+			yy_size_t num_to_read =
+			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+		while ( num_to_read <= 0 )
+			{ /* Not enough room in the buffer - grow it. */
+
+			/* just a shorter name for the current buffer */
+			YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+
+			int yy_c_buf_p_offset =
+				(int) ((yy_c_buf_p) - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				yy_size_t new_size = b->yy_buf_size * 2;
+
+				if ( new_size <= 0 )
+					b->yy_buf_size += b->yy_buf_size / 8;
+				else
+					b->yy_buf_size *= 2;
+
+				b->yy_ch_buf = (char *)
+					/* Include room in for 2 EOB chars. */
+					pnrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
+				}
+			else
+				/* Can't grow it, we don't own it. */
+				b->yy_ch_buf = 0;
+
+			if ( ! b->yy_ch_buf )
+				YY_FATAL_ERROR(
+				"fatal error - scanner input buffer overflow" );
+
+			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+						number_to_move - 1;
+
+			}
+
+		if ( num_to_read > YY_READ_BUF_SIZE )
+			num_to_read = YY_READ_BUF_SIZE;
+
+		/* Read in more data. */
+		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+			(yy_n_chars), num_to_read );
+
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	if ( (yy_n_chars) == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			yyrestart( yyin  );
+			}
+
+		else
+			{
+			ret_val = EOB_ACT_LAST_MATCH;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+				YY_BUFFER_EOF_PENDING;
+			}
+		}
+
+	else
+		ret_val = EOB_ACT_CONTINUE_SCAN;
+
+	if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+		/* Extend the array by 50%, plus the number we really need. */
+		yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) pnrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
+		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+	}
+
+	(yy_n_chars) += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+	return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+    yy_state_type yyFlexLexer::yy_get_previous_state()
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp;
+    
+	yy_current_state = (yy_start);
+
+	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
+		{
+		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+		if ( yy_accept[yy_current_state] )
+			{
+			(yy_last_accepting_state) = yy_current_state;
+			(yy_last_accepting_cpos) = yy_cp;
+			}
+		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+			{
+			yy_current_state = (int) yy_def[yy_current_state];
+			if ( yy_current_state >= 144 )
+				yy_c = yy_meta[(unsigned int) yy_c];
+			}
+		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+		}
+
+	return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ *	next_state = yy_try_NUL_trans( current_state );
+ */
+    yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state )
+{
+	register int yy_is_jam;
+    	register char *yy_cp = (yy_c_buf_p);
+
+	register YY_CHAR yy_c = 1;
+	if ( yy_accept[yy_current_state] )
+		{
+		(yy_last_accepting_state) = yy_current_state;
+		(yy_last_accepting_cpos) = yy_cp;
+		}
+	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+		{
+		yy_current_state = (int) yy_def[yy_current_state];
+		if ( yy_current_state >= 144 )
+			yy_c = yy_meta[(unsigned int) yy_c];
+		}
+	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+	yy_is_jam = (yy_current_state == 143);
+
+	return yy_is_jam ? 0 : yy_current_state;
+}
+
+    void yyFlexLexer::yyunput( int c, register char* yy_bp)
+{
+	register char *yy_cp;
+    
+    yy_cp = (yy_c_buf_p);
+
+	/* undo effects of setting up yytext */
+	*yy_cp = (yy_hold_char);
+
+	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+		{ /* need to shift things up to make room */
+		/* +2 for EOB chars. */
+		register yy_size_t number_to_move = (yy_n_chars) + 2;
+		register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
+		register char *source =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
+
+		while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			*--dest = *--source;
+
+		yy_cp += (int) (dest - source);
+		yy_bp += (int) (dest - source);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
+
+		if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+			YY_FATAL_ERROR( "flex scanner push-back overflow" );
+		}
+
+	*--yy_cp = (char) c;
+
+	(yytext_ptr) = yy_bp;
+	(yy_hold_char) = *yy_cp;
+	(yy_c_buf_p) = yy_cp;
+}
+
+    int yyFlexLexer::yyinput()
+{
+	int c;
+    
+	*(yy_c_buf_p) = (yy_hold_char);
+
+	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
+		{
+		/* yy_c_buf_p now points to the character we want to return.
+		 * If this occurs *before* the EOB characters, then it's a
+		 * valid NUL; if not, then we've hit the end of the buffer.
+		 */
+		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			/* This was really a NUL. */
+			*(yy_c_buf_p) = '\0';
+
+		else
+			{ /* need more input */
+			yy_size_t offset = (yy_c_buf_p) - (yytext_ptr);
+			++(yy_c_buf_p);
+
+			switch ( yy_get_next_buffer(  ) )
+				{
+				case EOB_ACT_LAST_MATCH:
+					/* This happens because yy_g_n_b()
+					 * sees that we've accumulated a
+					 * token and flags that we need to
+					 * try matching the token before
+					 * proceeding.  But for input(),
+					 * there's no matching to consider.
+					 * So convert the EOB_ACT_LAST_MATCH
+					 * to EOB_ACT_END_OF_FILE.
+					 */
+
+					/* Reset buffer status. */
+					yyrestart( yyin );
+
+					/*FALLTHROUGH*/
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( yywrap(  ) )
+						return 0;
+
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					(yy_c_buf_p) = (yytext_ptr) + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
+	*(yy_c_buf_p) = '\0';	/* preserve yytext */
+	(yy_hold_char) = *++(yy_c_buf_p);
+
+	return c;
+}
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void yyFlexLexer::yyrestart( std::istream* input_file )
+{
+    
+	if ( ! YY_CURRENT_BUFFER ){
+        yyensure_buffer_stack ();
+		YY_CURRENT_BUFFER_LVALUE =
+            yy_create_buffer( yyin, YY_BUF_SIZE );
+	}
+
+	yy_init_buffer( YY_CURRENT_BUFFER, input_file );
+	yy_load_buffer_state(  );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+    void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
+{
+    
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		yypop_buffer_state();
+	 *		yypush_buffer_state(new_buffer);
+     */
+	yyensure_buffer_stack ();
+	if ( YY_CURRENT_BUFFER == new_buffer )
+		return;
+
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	yy_load_buffer_state(  );
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (yywrap()) processing, but the only time this flag
+	 * is looked at is after yywrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+    void yyFlexLexer::yy_load_buffer_state()
+{
+    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+	(yy_hold_char) = *(yy_c_buf_p);
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( std::istream* file, int size )
+{
+	YY_BUFFER_STATE b;
+    
+	b = (YY_BUFFER_STATE) pnalloc(sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_buf_size = size;
+
+	/* yy_ch_buf has to be 2 characters longer than the size given because
+	 * we need to put in 2 end-of-buffer characters.
+	 */
+	b->yy_ch_buf = (char *) pnalloc(b->yy_buf_size + 2  );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	yy_init_buffer( b, file );
+
+	return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ * 
+ */
+    void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b )
+{
+    
+	if ( ! b )
+		return;
+
+	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+	if ( b->yy_is_our_buffer )
+		pnfree((void *) b->yy_ch_buf  );
+
+	pnfree((void *) b  );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a yyrestart() or at EOF.
+ */
+    void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, std::istream* file )
+
+{
+	int oerrno = errno;
+    
+	yy_flush_buffer( b );
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+    /* If b is the current buffer, then yy_init_buffer was _probably_
+     * called from yyrestart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+	b->yy_is_interactive = 0;
+	errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+    void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b )
+{
+    	if ( ! b )
+		return;
+
+	b->yy_n_chars = 0;
+
+	/* We always need two end-of-buffer characters.  The first causes
+	 * a transition to the end-of-buffer state.  The second causes
+	 * a jam in that state.
+	 */
+	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[0];
+
+	b->yy_at_bol = 1;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	if ( b == YY_CURRENT_BUFFER )
+		yy_load_buffer_state(  );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+void yyFlexLexer::yypush_buffer_state (YY_BUFFER_STATE new_buffer)
+{
+    	if (new_buffer == NULL)
+		return;
+
+	yyensure_buffer_stack();
+
+	/* This block is copied from yy_switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		(yy_buffer_stack_top)++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from yy_switch_to_buffer. */
+	yy_load_buffer_state(  );
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+void yyFlexLexer::yypop_buffer_state (void)
+{
+    	if (!YY_CURRENT_BUFFER)
+		return;
+
+	yy_delete_buffer(YY_CURRENT_BUFFER );
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if ((yy_buffer_stack_top) > 0)
+		--(yy_buffer_stack_top);
+
+	if (YY_CURRENT_BUFFER) {
+		yy_load_buffer_state(  );
+		(yy_did_buffer_switch_on_eof) = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+void yyFlexLexer::yyensure_buffer_stack(void)
+{
+	yy_size_t num_to_alloc;
+    
+	if (!(yy_buffer_stack)) {
+
+		/* First allocation is just for 2 elements, since we don't know if this
+		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+		 * immediate realloc on the next call.
+         */
+		num_to_alloc = 1;
+		(yy_buffer_stack) = (struct yy_buffer_state**)pnalloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+								  
+		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+				
+		(yy_buffer_stack_max) = num_to_alloc;
+		(yy_buffer_stack_top) = 0;
+		return;
+	}
+
+	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+		/* Increase the buffer to prepare for a possible push. */
+		int grow_size = 8 /* arbitrary grow size */;
+
+		num_to_alloc = (yy_buffer_stack_max) + grow_size;
+		(yy_buffer_stack) = (struct yy_buffer_state**)pnrealloc
+								((yy_buffer_stack),
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+		/* zero only the new slots.*/
+		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+		(yy_buffer_stack_max) = num_to_alloc;
+	}
+}
+
+    void yyFlexLexer::yy_push_state( int new_state )
+{
+    	if ( (yy_start_stack_ptr) >= (yy_start_stack_depth) )
+		{
+		yy_size_t new_size;
+
+		(yy_start_stack_depth) += YY_START_STACK_INCR;
+		new_size = (yy_start_stack_depth) * sizeof( int );
+
+		if ( ! (yy_start_stack) )
+			(yy_start_stack) = (int *) pnalloc(new_size  );
+
+		else
+			(yy_start_stack) = (int *) pnrealloc((void *) (yy_start_stack),new_size  );
+
+		if ( ! (yy_start_stack) )
+			YY_FATAL_ERROR( "out of memory expanding start-condition stack" );
+		}
+
+	(yy_start_stack)[(yy_start_stack_ptr)++] = YY_START;
+
+	BEGIN(new_state);
+}
+
+    void yyFlexLexer::yy_pop_state()
+{
+    	if ( --(yy_start_stack_ptr) < 0 )
+		YY_FATAL_ERROR( "start-condition stack underflow" );
+
+	BEGIN((yy_start_stack)[(yy_start_stack_ptr)]);
+}
+
+    int yyFlexLexer::yy_top_state()
+{
+    	return (yy_start_stack)[(yy_start_stack_ptr) - 1];
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+void yyFlexLexer::LexerError( yyconst char msg[] )
+{
+    	std::cerr << msg << std::endl;
+	exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		yytext[yyleng] = (yy_hold_char); \
+		(yy_c_buf_p) = yytext + yyless_macro_arg; \
+		(yy_hold_char) = *(yy_c_buf_p); \
+		*(yy_c_buf_p) = '\0'; \
+		yyleng = yyless_macro_arg; \
+		} \
+	while ( 0 )
+
+/* Accessor  methods (get/set functions) to struct members. */
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
+{
+	register int i;
+	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s )
+{
+	register int n;
+	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+}
+#endif
+
+void *pnalloc (yy_size_t  size )
+{
+	return (void *) malloc( size );
+}
+
+void *pnrealloc  (void * ptr, yy_size_t  size )
+{
+	/* The cast to (char *) in the following accommodates both
+	 * implementations that use char* generic pointers, and those
+	 * that use void* generic pointers.  It works with the latter
+	 * because both ANSI C and C++ allow castless assignment from
+	 * any pointer type to void*, and deal with argument conversions
+	 * as though doing an assignment.
+	 */
+	return (void *) realloc( (char *) ptr, size );
+}
+
+void pnfree (void * ptr )
+{
+	free( (char *) ptr );	/* see pnrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 84 "panner/lex.L"
+
+
+
diff --git a/tksao/panner/lex.L b/tksao/panner/lex.L
new file mode 100644
index 0000000..22c43ff
--- /dev/null
+++ b/tksao/panner/lex.L
@@ -0,0 +1,84 @@
+/* Copyright (C) 1999-2016
+ * Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+ * For conditions of distribution and use, see copyright notice in "copyright"
+ */
+
+%option noyywrap
+%option caseless
+%option never-interactive
+%option c++
+
+%{
+  #include <stdio.h>
+  #include <stdlib.h>
+  #include <string.h>
+
+  #include "parser.H"
+
+  extern YYSTYPE* pnlval;
+%}
+
+D   [0-9]
+E   [Ee][+-]?{D}+
+
+/* rules */
+
+%%
+
+bbox		{return BBOX_;}
+begin		{return BEGIN_;}
+clear		{return CLEAR_;}
+compass		{return COMPASS_;}
+debug		{return DEBUG_;}
+end		{return END_;}
+false		{return FALSE_;}
+get		{return GET_;}
+height		{return HEIGHT_;}
+hide		{return HIDE_;}
+highlite	{return HIGHLITE_;}
+image		{return IMAGE_;}
+invalid		{return INVALID_;}
+motion		{return MOTION_;}
+n		{return N_;}
+no		{return NO_;}
+off		{return OFF_;}
+on		{return ON_;}
+pan		{return PAN_;}
+reset		{return RESET_;}
+show		{return SHOW_;}
+size		{return SIZE_;}
+true		{return TRUE_;}
+to		{return TO_;}
+update		{return UPDATE_;}
+version		{return VERSION_;}
+warp		{return WARP_;}
+wcs		{return WCS_;}
+width		{return WIDTH_;}
+y		{return Y_;}
+yes		{return YES_;}
+
+
+[+-]?{D}+	{ // Integer
+		  pnlval->integer = atoi(yytext);
+		  return INT;
+		}
+
+[+-]?{D}+"."?({E})? |
+[+-]?{D}*"."{D}+({E})? { // Real Number
+		  pnlval->real = atof(yytext);
+		  return REAL;
+		}
+
+0[xX][0-9a-fA-F]+ { // Pointer
+		  pnlval->ptr = (void*)strtoul(yytext,NULL,16);
+		  return POINTER;
+		}
+
+[ \t]+		{ // White Spaces
+		} 
+
+.		{ // Else, return the char
+		  return yytext[0];
+		}
+
+%%
diff --git a/tksao/panner/panner.C b/tksao/panner/panner.C
new file mode 100644
index 0000000..4e0251b
--- /dev/null
+++ b/tksao/panner/panner.C
@@ -0,0 +1,434 @@
+// Copyright (C) 1999-2016
+// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+// For conditions of distribution and use, see copyright notice in "copyright"
+
+#include <tcl.h>
+#include <X11/Xlib.h>
+
+#include "panner.h"
+#include "util.h"
+
+// Parser Stuff
+#undef yyFlexLexer
+#define yyFlexLexer pnFlexLexer
+#include <FlexLexer.h>
+
+void* pnlval;
+extern int pnparse(Panner*, pnFlexLexer*);
+
+int pnlex(void* vval, pnFlexLexer* ll)
+{
+  pnlval = vval;
+  return ll ? ll->yylex() : 0;
+}
+
+void pnerror(Panner* pn, pnFlexLexer* ll, const char* m)
+{
+  pn->error(m);
+  const char* cmd = ll ? ll->YYText() : (const char*)NULL;
+  if (cmd && cmd[0] != '\n') {
+    pn->error(": ");
+    pn->error(cmd);
+  }
+}
+
+// Public Member Functions
+
+Panner::Panner(Tcl_Interp* i, Tk_Canvas c, Tk_Item* item) : Widget(i, c, item)
+{
+  thumbnail = 0;
+  highLite = 0;
+  panning = 0;
+  needsUpdate = 0;
+
+  bboxGC = NULL;
+  useBBox = 1;
+
+  compassGC = NULL;
+  threed = 0;
+  useCompass = 1;
+  validWCSCompass = 0;
+
+  tkfont_ = NULL;
+}
+
+Panner::~Panner()
+{ 
+  if (bboxGC)
+    XFreeGC(display, bboxGC);
+
+  if (compassGC)
+    XFreeGC(display, compassGC);
+
+  if (tkfont_)
+    Tk_FreeFont(tkfont_);
+}
+
+int Panner::parse(istringstream& istr)
+{
+  result = TCL_OK;
+  pnFlexLexer* ll = new pnFlexLexer(&istr);
+  pnparse(this, ll);
+  delete ll;
+
+  return result;
+}
+
+void Panner::update()
+{
+  needsUpdate = 1; 
+  redraw();
+}
+
+// Required Virtual Functions
+
+// UpdatePixmap. This function is responsable for creating a valid 
+// pixmap the size of the current Panner
+
+int Panner::updatePixmap(const BBox& bb)
+{
+  if (!widgetGC)
+    widgetGC = XCreateGC(display, Tk_WindowId(tkwin), 0, NULL);
+
+  // bb is in canvas coords
+  // create a valid pixmap if needed
+
+  if (!pixmap) {
+    if (!(pixmap = Tk_GetPixmap(display, Tk_WindowId(tkwin), 
+				options->width, options->height, depth))) {
+      internalError("Panner: Unable to Create Pixmap");
+      return TCL_OK;
+    }
+
+    updateGCs();
+  }
+
+  if (needsUpdate) {
+    if (thumbnail) {
+      XSetClipOrigin(display, widgetGC, 0, 0);
+      XCopyArea(display, thumbnail, pixmap, widgetGC, 0, 0,
+      		options->width, options->height, 0, 0);
+
+      if (useBBox)
+	renderBBox();
+
+      if (useCompass) {
+      	renderImageCompass();
+	if (validWCSCompass)
+	  renderWCSCompass();
+      }
+    }
+    else
+      clearPixmap();
+
+    needsUpdate = 0;
+  }
+
+  return TCL_OK;
+}
+
+void Panner::invalidPixmap()
+{
+  Widget::invalidPixmap();
+  update();
+}
+
+// Command Functions
+
+void Panner::getBBoxCmd()
+{
+  Vector v = bbox[0];
+  for (int i=1; i<4; i++)
+    v += bbox[i];
+  v /= 4;
+
+  ostringstream str;
+  str << v << ends;
+  Tcl_AppendResult(interp, str.str().c_str(), NULL);  
+}
+
+void Panner::getSizeCmd()
+{
+  ostringstream str;
+  str << options->width << " " << options->height << ends;
+  Tcl_AppendResult(interp, str.str().c_str(), NULL);  
+}
+
+void Panner::highLiteCmd(int which)
+{
+  if (highLite != which) {
+    highLite = !highLite;
+    update();
+  }
+}
+
+void Panner::highLiteCmd(const Vector& v)
+{
+  if (highLite != isInBBox(v)) {
+    highLite = !highLite;
+    update();
+  }
+}
+
+void Panner::panToCmd(const Vector& v)
+{
+  for (int i=0; i<4; i++)
+    bbox[i] = v;
+  update();
+}
+
+void Panner::panBeginCmd(const Vector& v)
+{
+  if (useBBox && isInBBox(v)) {
+    panStart = v;
+    panning = 1;
+  }
+}
+
+void Panner::panMotionCmd(const Vector& v)
+{
+  if (panning && useBBox) {
+    Vector diff = v - panStart;
+    for (int i=0; i<4; i++)
+      bbox[i] += diff;
+
+    panStart = v;
+    update();
+  }
+}
+
+void Panner::panEndCmd(const Vector& v)
+{
+  if (panning && useBBox) {
+    Vector diff = v - panStart;
+    for (int i=0; i<4; i++)
+      bbox[i] += diff;
+
+    panning = 0;
+    update();
+  }
+}
+
+void Panner::setCompassCmd(int w)
+{
+  useCompass = w ? 1 : 0;
+  update();
+}
+
+void Panner::setBBoxCmd(int w)
+{
+  useBBox = w ? 1 : 0;
+  update();
+}
+
+void Panner::updateCmd(void* p)
+{
+  thumbnail = (Pixmap)p;
+  update();
+}
+
+void Panner::updateBBoxCmd(const Vector& ll, const Vector& lr, 
+			   const Vector& ur, const Vector& ul)
+{
+  bbox[0] = ll;
+  bbox[1] = lr;
+  bbox[2] = ur;
+  bbox[3] = ul;
+
+  update();
+}
+
+void Panner::updateImageCompassCmd(Vector xx, Vector yy)
+{
+  threed =0;
+  imageX = xx;
+  imageY = yy;
+  update();
+}
+
+void Panner::updateImageCompassCmd(Vector xx, Vector yy, Vector zz)
+{
+  threed =1;
+  imageX = xx;
+  imageY = yy;
+  imageZ = zz;
+  update();
+}
+
+void Panner::updateWCSCompassCmd()
+{
+  validWCSCompass = 0;
+  update();
+}
+
+void Panner::updateWCSCompassCmd(const Vector& nn, const Vector& ee)
+{
+  validWCSCompass = 1;
+  wcsNorth = nn;
+  wcsEast = ee;
+  update();
+ }
+
+void Panner::warpCmd(const Vector& vv)
+{
+  warp((Vector&)vv);
+}
+
+// Private Functions
+
+void Panner::updateGCs()
+{
+  if (!bboxGC) {
+    bboxGC = XCreateGC(display, pixmap, 0, NULL);
+    XSetForeground(display, bboxGC, getColor("cyan"));
+  }
+
+  if (!tkfont_) {
+    ostringstream fstr;
+#ifdef MAC_OSX_TK
+    fstr << '{' << options->helvetica << '}' << ' ' << int(9*getDisplayRatio()) << " roman normal" << ends;
+#else
+    fstr << '{' << options->helvetica << '}' << " 9 roman normal" << ends;
+#endif
+    tkfont_ = Tk_GetFont(interp, tkwin, fstr.str().c_str());
+    if (tkfont_)
+      Tk_GetFontMetrics(tkfont_, &metric);
+  }  
+
+  if (!compassGC) {
+    compassGC = XCreateGC(display, pixmap, 0, NULL);
+    XSetLineAttributes(display, compassGC, 1, LineSolid, CapButt, JoinMiter);
+    if (tkfont_)
+      XSetFont(display, compassGC, Tk_FontId(tkfont_));
+  }
+}
+
+void Panner::renderBBox()
+{
+  XSetLineAttributes(display, bboxGC, (highLite ? 2 : 1), LineSolid, 
+		     CapButt,JoinMiter);
+
+  for (int i=0; i<3; i++) 
+    XDrawLine(display, pixmap, bboxGC, (int)(bbox[i])[0], (int)(bbox[i])[1], 
+	      (int)(bbox[i+1])[0], (int)(bbox[i+1])[1]);    
+  XDrawLine(display, pixmap, bboxGC, (int)(bbox[3])[0], (int)(bbox[3])[1], 
+	    (int)(bbox[0])[0], (int)(bbox[0])[1]);    
+}
+
+void Panner::renderImageCompass()
+{
+  float length = (options->width/2 + options->height/2)/2 * .4;
+  Vector center(options->width/2., options->height/2.);
+
+  renderArm(int(length*imageX.length()), center, 
+	    Rotate(-imageX.angle()), "X", getColor("green"));
+  renderArm(int(length*imageY.length()), center, 
+	    Rotate(-imageY.angle()), "Y", getColor("green"));
+  if (threed) {
+    renderArm(int(length*imageZ.length()), center, 
+	      Rotate(-imageZ.angle()), "Z", getColor("green"));
+  }
+}
+
+void Panner::renderWCSCompass()
+{
+  float length = (options->width/2 + options->height/2)/2 * .25;
+  Vector center(options->width/2., options->height/2.);
+
+  renderArm(int(length*wcsEast.length()), center,
+	    Rotate(-wcsEast.angle()), "E", getColor("yellow"));
+  renderArm(int(length*wcsNorth.length()), center,
+	    Rotate(-wcsNorth.angle()), "N", getColor("yellow"));
+}
+
+void Panner::renderArm(int length, Vector center, Rotate rot, 
+		       const char* str, int color)
+{
+  if (length<=0)
+    return;
+
+  // set GC
+  XSetForeground(display, compassGC, color);
+  const int textOffset = 15; // Text offset
+  const int tip = 6;  // length from end of line to tip of arrow
+  const int tail = 2; // length from end of line to tails of arrow
+  const int wc = 2;   // width of arrow at end of line
+  const int wt = 3;   // width of arrow at tails
+
+  // Arrow-- oriented on Y axis
+  Vector arrow[6];
+  arrow[0] = Vector(0, tip);
+  arrow[1] = Vector(-wc, 0);
+  arrow[2] = Vector(-wt, -tail);
+  arrow[3] = Vector(0, 0);
+  arrow[4] = Vector(wt, -tail);
+  arrow[5] = Vector(wc, 0);
+
+  // Staff-- oriented on X axis
+  XPoint arrowArray[6];
+  Matrix arrowMatrix = Rotate(M_PI_2) * 
+    Translate(length,0) * 
+    rot * 
+    Translate(center);
+  for (int i=0; i<6; i++) {
+    Vector r = (arrow[i] * arrowMatrix).round();
+    arrowArray[i].x = (int)r[0];
+    arrowArray[i].y = (int)r[1];
+  }
+
+  Vector c = ((Vector&)center).round();
+  Vector end = (Vector(length, 0) * rot * Translate(center)).round();
+  XDrawLine(display, pixmap, compassGC, (int)c[0], (int)c[1], 
+	    (int)end[0], (int)end[1]);
+  XFillPolygon(display, pixmap, compassGC, arrowArray, 6, 
+	       Nonconvex, CoordModeOrigin);
+
+  if (tkfont_) {
+    Vector et = Vector((length + textOffset), 0) * rot * Translate(center) *
+                Translate(-Tk_TextWidth(tkfont_, str, 1)/2., metric.ascent/2.);
+    Tk_DrawChars(display, pixmap, compassGC, tkfont_, str, 1,
+		 (int)et[0], (int)et[1]);
+  }
+}
+
+int Panner::isInBBox(const Vector& v)
+{
+  /*
+    v[0]-- x value of point being tested
+    v[1]-- y value of point being tested
+
+    This algorithm is from "An Introduction to Ray Tracing", Academic Press,
+    1989, edited by Andrew Glassner, pg 53
+    -- a point lies in a polygon if a line is extended from the point to 
+    infinite in any direction and the number of intersections with the 
+    polygon is odd.
+    This is valid for both concave and convex polygons.
+    Points on a vertex are considered inside.
+    Points on a edge are considered inside.
+  */
+
+  int crossings = 0;   // number of crossings
+  Vector v1;
+  Vector v2 = bbox[0] - v;
+  int sign = ((v2[1])>=0) ? 1 : -1; // init sign
+
+  // for all edges
+  for (int i=1; i<4; i++) {
+    // look at next two vertices
+    v1 = v2;
+    v2 = bbox[i] - v;
+    int nextSign = (v2[1]>=0) ? 1 : -1; // sign holder for p2
+
+    if (sign != nextSign) {
+      if (v1[0]>0 && v2[0]>0)
+	crossings++;
+      else if (v1[0]>0 || v2[0]>0) {
+	if (v1[0]-(v1[1]*(v2[0]-v1[0])/(v2[1]-v1[1])) > 0)
+	  crossings++;
+      }
+      sign = nextSign;
+    }
+  }
+
+  return fmod(float(crossings),float(2)) ? 1 : 0; // if odd, point is inside
+}
diff --git a/tksao/panner/panner.h b/tksao/panner/panner.h
new file mode 100644
index 0000000..7aa7404
--- /dev/null
+++ b/tksao/panner/panner.h
@@ -0,0 +1,79 @@
+// Copyright (C) 1999-2016
+// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+// For conditions of distribution and use, see copyright notice in "copyright"
+
+#ifndef __panner_h__
+#define __panner_h__
+
+#include "widget.h"
+
+class Panner : public Widget {
+ private:
+  Pixmap thumbnail;          // current frame thumbnail pixmap
+  int highLite;              // flag to highlite bbox
+  int panning;               // flag for panning status
+  Vector panStart;           // initial location of panning operation
+  int needsUpdate;           // flag to indicate refresh needed
+
+  GC bboxGC;                 // bbox gc
+  int useBBox;               // flag to use BBox
+  Vector bbox[4];            // current view
+
+  GC compassGC;              // compass gc
+  Vector imageX;
+  Vector imageY;
+  Vector imageZ;
+  int threed;                // 2d or 3d compass
+  int useCompass;            // flag to use image/wcs compass
+  Vector wcsNorth;
+  Vector wcsEast;
+  int validWCSCompass;       // flag to indicate wcs data is valid
+
+  Tk_Font tkfont_;              // Tk font
+  Tk_FontMetrics metric;     // Tk font metric
+				  
+ private:
+  void update();             // use existing pixmap, just update
+  void invalidPixmap();      // new pixmap, then update
+
+ protected:
+  virtual void clearPixmap() =0;  // clear pixmap
+
+ private:
+  int updatePixmap(const BBox&); // renders image/graphics into pixmap
+  void renderBBox();
+  int isInBBox(const Vector&);
+  void renderImageCompass();
+  void renderWCSCompass();
+  void renderArm(int, Vector, Rotate, const char*, int);
+  void updateGCs();
+
+ public:
+  Panner(Tcl_Interp*, Tk_Canvas, Tk_Item*);
+  virtual ~Panner();
+
+  int parse(istringstream&);            // parse subcommands
+
+  // SubCommandFunctions
+
+  void getBBoxCmd();
+  void getSizeCmd();
+  void highLiteCmd(int);
+  void highLiteCmd(const Vector&);
+  void panToCmd(const Vector&);
+  void panBeginCmd(const Vector&);
+  void panMotionCmd(const Vector&);
+  void panEndCmd(const Vector&);
+  void setCompassCmd(int);
+  void setBBoxCmd(int);
+  void updateCmd(void*);
+  void updateBBoxCmd(const Vector&, const Vector&, 
+		     const Vector&, const Vector&);
+  void updateImageCompassCmd(Vector, Vector);
+  void updateImageCompassCmd(Vector, Vector, Vector);
+  void updateWCSCompassCmd();
+  void updateWCSCompassCmd(const Vector&, const Vector&);
+  void warpCmd(const Vector&);
+};
+
+#endif
diff --git a/tksao/panner/pannertrue.C b/tksao/panner/pannertrue.C
new file mode 100644
index 0000000..7bbabe2
--- /dev/null
+++ b/tksao/panner/pannertrue.C
@@ -0,0 +1,119 @@
+// Copyright (C) 1999-2016
+// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+// For conditions of distribution and use, see copyright notice in "copyright"
+
+#include <tkInt.h>
+
+#include "pannertrue.h"
+#include "util.h"
+
+// Tk Canvas Widget Function Declarations
+
+int PannerTrueColorCreateProc(Tcl_Interp*, Tk_Canvas, Tk_Item*, int, 
+			      Tcl_Obj *const []);
+
+// PannerTrueColor Specs
+
+static Tk_CustomOption tagsOption = {
+  Tk_CanvasTagsParseProc, Tk_CanvasTagsPrintProc, NULL
+};
+
+static Tk_ConfigSpec pannerTrueColorSpecs[] = {
+
+  {TK_CONFIG_STRING, (char*)"-command", NULL, NULL, "panner",
+   Tk_Offset(WidgetOptions, cmdName), TK_CONFIG_OPTION_SPECIFIED, NULL},
+  {TK_CONFIG_INT, (char*)"-x", NULL, NULL, "1",
+   Tk_Offset(WidgetOptions, x), TK_CONFIG_OPTION_SPECIFIED, NULL},
+  {TK_CONFIG_INT, (char*)"-y", NULL, NULL, "1",
+   Tk_Offset(WidgetOptions, y), TK_CONFIG_OPTION_SPECIFIED, NULL},
+  {TK_CONFIG_INT, (char*)"-width", NULL, NULL, "256",
+   Tk_Offset(WidgetOptions, width), TK_CONFIG_OPTION_SPECIFIED, NULL},
+  {TK_CONFIG_INT, (char*)"-height", NULL, NULL, "256",
+   Tk_Offset(WidgetOptions, height), TK_CONFIG_OPTION_SPECIFIED, NULL},
+  {TK_CONFIG_ANCHOR, (char*)"-anchor", NULL, NULL, "nw",
+   Tk_Offset(WidgetOptions, anchor), 0, NULL},
+  {TK_CONFIG_CUSTOM, (char*)"-tags", NULL, NULL, NULL,
+   0, TK_CONFIG_NULL_OK, &tagsOption},
+
+  {TK_CONFIG_STRING, (char*)"-helvetica", NULL, NULL, "helvetica",
+   Tk_Offset(WidgetOptions, helvetica), 0, NULL},
+  {TK_CONFIG_STRING, (char*)"-courier", NULL, NULL, "courier",
+   Tk_Offset(WidgetOptions, courier), 0, NULL},
+  {TK_CONFIG_STRING, (char*)"-times", NULL, NULL, "times",
+   Tk_Offset(WidgetOptions, times), 0, NULL},
+
+  {TK_CONFIG_END, NULL, NULL, NULL, NULL, 0, 0, NULL},
+};
+
+// Tk Static Structure
+
+static Tk_ItemType pannerTrueColorType = {
+  (char*)"pannertruecolor",            // name
+  sizeof(WidgetOptions),        // size
+  PannerTrueColorCreateProc,    // configProc
+  pannerTrueColorSpecs,         // configSpecs
+  WidgetConfigProc,             // configProc
+  WidgetCoordProc,              // coordProc
+  WidgetDeleteProc,             // deleteProc
+  WidgetDisplayProc,            // displayProc
+  0,                            // alwaysRedraw
+  WidgetPointProc,              // pointProc
+  WidgetAreaProc,               // areaProc
+  WidgetPostscriptProc,         // postscriptProc
+  WidgetScaleProc,              // scaleProc
+  WidgetTranslateProc,          // translateProc
+  (Tk_ItemIndexProc*)NULL,      // indexProc
+  WidgetICursorProc,            // icursorProc
+  (Tk_ItemSelectionProc*)NULL,  // selectionProc
+  (Tk_ItemInsertProc*)NULL,     // insertProc
+  (Tk_ItemDCharsProc*)NULL,     // dCharsProc
+  (Tk_ItemType*)NULL            // nextPtr
+};
+
+// Non-Member Functions
+
+int PannerTrueColor_Init(Tcl_Interp* interp)
+{
+  Tk_CreateItemType(&pannerTrueColorType);
+  return TCL_OK;
+}
+
+int PannerTrueColorCreateProc(Tcl_Interp* interp, Tk_Canvas canvas, 
+			      Tk_Item* item, int argc, Tcl_Obj *const argv[])
+{
+  PannerTrueColor* panner = new PannerTrueColor(interp, canvas, item);
+
+  // and set default configuration
+
+  if (panner->configure(argc, (const char**)argv, 0) != TCL_OK) {
+    delete panner;
+    Tcl_AppendResult(interp, " error occured while creating pannerTrueColor.",
+		     NULL);
+    return TCL_ERROR;
+  }
+
+  return TCL_OK;
+}
+
+PannerTrueColor::PannerTrueColor(Tcl_Interp* i, Tk_Canvas c, Tk_Item* item)
+  : Panner(i, c, item)
+{
+  configSpecs = pannerTrueColorSpecs;  // panner configure options
+}
+
+void PannerTrueColor::clearPixmap()
+{
+  XImage* xmap = XGetImage(display, pixmap, 0, 0,
+			   options->width, options->height, 
+			   AllPlanes, ZPixmap);
+  if (!xmap) {
+    internalError("Panner: Unable to Create XImage");
+    return;
+  }
+
+  memset(xmap->data, 255, xmap->bytes_per_line * xmap->height);
+
+  TkPutImage(NULL, 0, display, pixmap, widgetGC, xmap, 
+	     0, 0, 0, 0, options->width, options->height);
+  XDestroyImage(xmap);
+}
diff --git a/tksao/panner/pannertrue.h b/tksao/panner/pannertrue.h
new file mode 100644
index 0000000..ac30353
--- /dev/null
+++ b/tksao/panner/pannertrue.h
@@ -0,0 +1,19 @@
+// Copyright (C) 1999-2016
+// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+// For conditions of distribution and use, see copyright notice in "copyright"
+
+#ifndef __pannertrue_h__
+#define __pannertrue_h__
+
+#include "panner.h"
+
+class PannerTrueColor : public Panner {
+private:
+  void clearPixmap();
+
+public:
+  PannerTrueColor(Tcl_Interp*, Tk_Canvas, Tk_Item*);
+};
+
+#endif
+
diff --git a/tksao/panner/parser.C b/tksao/panner/parser.C
new file mode 100644
index 0000000..93c522f
--- /dev/null
+++ b/tksao/panner/parser.C
@@ -0,0 +1,1923 @@
+/* A Bison parser, made by GNU Bison 2.3.  */
+
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+   simplifying the original so-called "semantic" parser.  */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+   infringing on user name space.  This should be done even for local
+   variables, as they might otherwise be expanded by user macros.
+   There are some unavoidable exceptions within include files to
+   define necessary library symbols; they are noted "INFRINGES ON
+   USER NAME SPACE" below.  */
+
+/* Identify Bison output.  */
+#define YYBISON 1
+
+/* Bison version.  */
+#define YYBISON_VERSION "2.3"
+
+/* Skeleton name.  */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers.  */
+#define YYPURE 1
+
+/* Using locations.  */
+#define YYLSP_NEEDED 0
+
+/* Substitute the variable and function names.  */
+#define yyparse pnparse
+#define yylex   pnlex
+#define yyerror pnerror
+#define yylval  pnlval
+#define yychar  pnchar
+#define yydebug pndebug
+#define yynerrs pnnerrs
+
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     INT = 258,
+     REAL = 259,
+     POINTER = 260,
+     BBOX_ = 261,
+     BEGIN_ = 262,
+     CLEAR_ = 263,
+     COMPASS_ = 264,
+     DEBUG_ = 265,
+     END_ = 266,
+     FALSE_ = 267,
+     GET_ = 268,
+     HEIGHT_ = 269,
+     HIDE_ = 270,
+     HIGHLITE_ = 271,
+     IMAGE_ = 272,
+     INVALID_ = 273,
+     MOTION_ = 274,
+     N_ = 275,
+     NO_ = 276,
+     OFF_ = 277,
+     ON_ = 278,
+     PAN_ = 279,
+     RESET_ = 280,
+     SHOW_ = 281,
+     SIZE_ = 282,
+     TRUE_ = 283,
+     TO_ = 284,
+     UPDATE_ = 285,
+     VERSION_ = 286,
+     WARP_ = 287,
+     WCS_ = 288,
+     WIDTH_ = 289,
+     Y_ = 290,
+     YES_ = 291
+   };
+#endif
+/* Tokens.  */
+#define INT 258
+#define REAL 259
+#define POINTER 260
+#define BBOX_ 261
+#define BEGIN_ 262
+#define CLEAR_ 263
+#define COMPASS_ 264
+#define DEBUG_ 265
+#define END_ 266
+#define FALSE_ 267
+#define GET_ 268
+#define HEIGHT_ 269
+#define HIDE_ 270
+#define HIGHLITE_ 271
+#define IMAGE_ 272
+#define INVALID_ 273
+#define MOTION_ 274
+#define N_ 275
+#define NO_ 276
+#define OFF_ 277
+#define ON_ 278
+#define PAN_ 279
+#define RESET_ 280
+#define SHOW_ 281
+#define SIZE_ 282
+#define TRUE_ 283
+#define TO_ 284
+#define UPDATE_ 285
+#define VERSION_ 286
+#define WARP_ 287
+#define WCS_ 288
+#define WIDTH_ 289
+#define Y_ 290
+#define YES_ 291
+
+
+
+
+/* Copy the first part of user declarations.  */
+#line 10 "panner/parser.Y"
+
+#define YYDEBUG 1
+
+#include <stdlib.h>
+#include "panner.h"
+
+#undef yyFlexLexer
+#define yyFlexLexer pnFlexLexer
+#include <FlexLexer.h>
+
+extern int pnlex(void*, pnFlexLexer*);
+extern void pnerror(Panner*, pnFlexLexer*, const char*);
+
+
+/* Enabling traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages.  */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* Enabling the token table.  */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+#line 24 "panner/parser.Y"
+{
+  float real;
+  int integer;
+  void* ptr;
+  char str[1024];
+}
+/* Line 193 of yacc.c.  */
+#line 197 "panner/parser.C"
+	YYSTYPE;
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+
+
+/* Copy the second part of user declarations.  */
+
+
+/* Line 216 of yacc.c.  */
+#line 210 "panner/parser.C"
+
+#ifdef short
+# undef short
+#endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif
+
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif
+
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+#  define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+#  define YYSIZE_T size_t
+# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T size_t
+# else
+#  define YYSIZE_T unsigned int
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+
+#ifndef YY_
+# if defined YYENABLE_NLS && YYENABLE_NLS
+#  if ENABLE_NLS
+#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+#   define YY_(msgid) dgettext ("bison-runtime", msgid)
+#  endif
+# endif
+# ifndef YY_
+#  define YY_(msgid) msgid
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E.  */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(e) ((void) (e))
+#else
+# define YYUSE(e) /* empty */
+#endif
+
+/* Identity function, used to suppress warnings about constant conditions.  */
+#ifndef lint
+# define YYID(n) (n)
+#else
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static int
+YYID (int i)
+#else
+static int
+YYID (i)
+    int i;
+#endif
+{
+  return i;
+}
+#endif
+
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols.  */
+
+# ifdef YYSTACK_USE_ALLOCA
+#  if YYSTACK_USE_ALLOCA
+#   ifdef __GNUC__
+#    define YYSTACK_ALLOC __builtin_alloca
+#   elif defined __BUILTIN_VA_ARG_INCR
+#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+#   elif defined _AIX
+#    define YYSTACK_ALLOC __alloca
+#   elif defined _MSC_VER
+#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+#    define alloca _alloca
+#   else
+#    define YYSTACK_ALLOC alloca
+#    if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#     ifndef _STDLIB_H
+#      define _STDLIB_H 1
+#     endif
+#    endif
+#   endif
+#  endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+   /* Pacify GCC's `empty if-body' warning.  */
+#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+    /* The OS might guarantee only one guard page at the bottom of the stack,
+       and a page size can be as small as 4096 bytes.  So we cannot safely
+       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
+       to allow for a few compiler-allocated temporary stack slots.  */
+#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+#  endif
+# else
+#  define YYSTACK_ALLOC YYMALLOC
+#  define YYSTACK_FREE YYFREE
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+#  endif
+#  if (defined __cplusplus && ! defined _STDLIB_H \
+       && ! ((defined YYMALLOC || defined malloc) \
+	     && (defined YYFREE || defined free)))
+#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#   ifndef _STDLIB_H
+#    define _STDLIB_H 1
+#   endif
+#  endif
+#  ifndef YYMALLOC
+#   define YYMALLOC malloc
+#   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+#  ifndef YYFREE
+#   define YYFREE free
+#   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+# endif
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+
+
+#if (! defined yyoverflow \
+     && (! defined __cplusplus \
+	 || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member.  */
+union yyalloc
+{
+  yytype_int16 yyss;
+  YYSTYPE yyvs;
+  };
+
+/* The size of the maximum gap between one aligned stack and the next.  */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+   N elements.  */
+# define YYSTACK_BYTES(N) \
+     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+      + YYSTACK_GAP_MAXIMUM)
+
+/* Copy COUNT objects from FROM to TO.  The source and destination do
+   not overlap.  */
+# ifndef YYCOPY
+#  if defined __GNUC__ && 1 < __GNUC__
+#   define YYCOPY(To, From, Count) \
+      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+#  else
+#   define YYCOPY(To, From, Count)		\
+      do					\
+	{					\
+	  YYSIZE_T yyi;				\
+	  for (yyi = 0; yyi < (Count); yyi++)	\
+	    (To)[yyi] = (From)[yyi];		\
+	}					\
+      while (YYID (0))
+#  endif
+# endif
+
+/* Relocate STACK from its old location to the new one.  The
+   local variables YYSIZE and YYSTACKSIZE give the old and new number of
+   elements in the stack, and YYPTR gives the new location of the
+   stack.  Advance YYPTR to a properly aligned location for the next
+   stack.  */
+# define YYSTACK_RELOCATE(Stack)					\
+    do									\
+      {									\
+	YYSIZE_T yynewbytes;						\
+	YYCOPY (&yyptr->Stack, Stack, yysize);				\
+	Stack = &yyptr->Stack;						\
+	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+	yyptr += yynewbytes / sizeof (*yyptr);				\
+      }									\
+    while (YYID (0))
+
+#endif
+
+/* YYFINAL -- State number of the termination state.  */
+#define YYFINAL  57
+/* YYLAST -- Last index in YYTABLE.  */
+#define YYLAST   118
+
+/* YYNTOKENS -- Number of terminals.  */
+#define YYNTOKENS  37
+/* YYNNTS -- Number of nonterminals.  */
+#define YYNNTS  12
+/* YYNRULES -- Number of rules.  */
+#define YYNRULES  50
+/* YYNRULES -- Number of states.  */
+#define YYNSTATES  93
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
+#define YYUNDEFTOK  2
+#define YYMAXUTOK   291
+
+#define YYTRANSLATE(YYX)						\
+  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
+static const yytype_uint8 yytranslate[] =
+{
+       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
+       5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
+      15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
+      25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
+      35,    36
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+   YYRHS.  */
+static const yytype_uint8 yyprhs[] =
+{
+       0,     0,     3,     6,     9,    11,    14,    18,    21,    23,
+      26,    29,    31,    33,    36,    38,    42,    46,    48,    50,
+      52,    54,    56,    58,    60,    62,    64,    66,    68,    70,
+      72,    74,    76,    78,    80,    82,    84,    87,    89,    91,
+      95,    99,   103,   107,   109,   119,   123,   127,   132,   139,
+     144
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS.  */
+static const yytype_int8 yyrhs[] =
+{
+      38,     0,    -1,    10,    40,    -1,     6,    42,    -1,     8,
+      -1,     9,    41,    -1,    17,     9,    41,    -1,    13,    43,
+      -1,    15,    -1,    16,    44,    -1,    24,    45,    -1,    25,
+      -1,    26,    -1,    30,    46,    -1,    31,    -1,    32,    39,
+      39,    -1,    33,     9,    41,    -1,     4,    -1,     3,    -1,
+      23,    -1,    22,    -1,     3,    -1,    36,    -1,    35,    -1,
+      23,    -1,    28,    -1,    21,    -1,    20,    -1,    22,    -1,
+      12,    -1,    23,    -1,    22,    -1,     6,    -1,    14,    -1,
+      27,    -1,    34,    -1,    39,    39,    -1,    22,    -1,    23,
+      -1,     7,    39,    39,    -1,    19,    39,    39,    -1,    11,
+      39,    39,    -1,    29,    39,    39,    -1,     5,    -1,     6,
+      39,    39,    39,    39,    39,    39,    39,    39,    -1,    17,
+       9,    47,    -1,    33,     9,    48,    -1,    39,    39,    39,
+      39,    -1,    39,    39,    39,    39,    39,    39,    -1,    39,
+      39,    39,    39,    -1,    18,    -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
+static const yytype_uint8 yyrline[] =
+{
+       0,    72,    72,    73,    74,    75,    76,    77,    78,    79,
+      80,    81,    82,    83,    84,    85,    86,    89,    90,    93,
+      94,    97,    99,   100,   101,   102,   104,   105,   106,   107,
+     110,   111,   114,   115,   116,   117,   120,   121,   122,   125,
+     126,   127,   128,   131,   132,   136,   137,   140,   142,   147,
+     149
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
+static const char *const yytname[] =
+{
+  "$end", "error", "$undefined", "INT", "REAL", "POINTER", "BBOX_",
+  "BEGIN_", "CLEAR_", "COMPASS_", "DEBUG_", "END_", "FALSE_", "GET_",
+  "HEIGHT_", "HIDE_", "HIGHLITE_", "IMAGE_", "INVALID_", "MOTION_", "N_",
+  "NO_", "OFF_", "ON_", "PAN_", "RESET_", "SHOW_", "SIZE_", "TRUE_", "TO_",
+  "UPDATE_", "VERSION_", "WARP_", "WCS_", "WIDTH_", "Y_", "YES_",
+  "$accept", "command", "numeric", "debug", "yesno", "bbox", "get",
+  "highLite", "pan", "update", "updateImageCompass", "updateWCSCompass", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+   token YYLEX-NUM.  */
+static const yytype_uint16 yytoknum[] =
+{
+       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
+     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
+     275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
+     285,   286,   287,   288,   289,   290,   291
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
+static const yytype_uint8 yyr1[] =
+{
+       0,    37,    38,    38,    38,    38,    38,    38,    38,    38,
+      38,    38,    38,    38,    38,    38,    38,    39,    39,    40,
+      40,    41,    41,    41,    41,    41,    41,    41,    41,    41,
+      42,    42,    43,    43,    43,    43,    44,    44,    44,    45,
+      45,    45,    45,    46,    46,    46,    46,    47,    47,    48,
+      48
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
+static const yytype_uint8 yyr2[] =
+{
+       0,     2,     2,     2,     1,     2,     3,     2,     1,     2,
+       2,     1,     1,     2,     1,     3,     3,     1,     1,     1,
+       1,     1,     1,     1,     1,     1,     1,     1,     1,     1,
+       1,     1,     1,     1,     1,     1,     2,     1,     1,     3,
+       3,     3,     3,     1,     9,     3,     3,     4,     6,     4,
+       1
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
+   means the default is an error.  */
+static const yytype_uint8 yydefact[] =
+{
+       0,     0,     4,     0,     0,     0,     8,     0,     0,     0,
+      11,    12,     0,    14,     0,     0,     0,    31,    30,     3,
+      21,    29,    27,    26,    28,    24,    25,    23,    22,     5,
+      20,    19,     2,    32,    33,    34,    35,     7,    18,    17,
+      37,    38,     0,     9,     0,     0,     0,     0,     0,    10,
+      43,     0,     0,     0,    13,     0,     0,     1,    36,     6,
+       0,     0,     0,     0,     0,     0,     0,    15,    16,    39,
+      41,    40,    42,     0,     0,    45,    50,     0,    46,     0,
+       0,     0,     0,     0,     0,     0,    47,    49,     0,     0,
+       0,    48,    44
+};
+
+/* YYDEFGOTO[NTERM-NUM].  */
+static const yytype_int8 yydefgoto[] =
+{
+      -1,    16,    42,    32,    29,    19,    37,    43,    49,    54,
+      75,    78
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+   STATE-NUM.  */
+#define YYPACT_NINF -37
+static const yytype_int8 yypact[] =
+{
+      85,   -12,   -37,    61,    -7,    -5,   -37,     1,    17,     6,
+     -37,   -37,    -3,   -37,    15,    18,    12,   -37,   -37,   -37,
+     -37,   -37,   -37,   -37,   -37,   -37,   -37,   -37,   -37,   -37,
+     -37,   -37,   -37,   -37,   -37,   -37,   -37,   -37,   -37,   -37,
+     -37,   -37,    15,   -37,    61,    15,    15,    15,    15,   -37,
+     -37,    15,    27,    29,   -37,    15,    61,   -37,   -37,   -37,
+      15,    15,    15,    15,    15,    15,     3,   -37,   -37,   -37,
+     -37,   -37,   -37,    15,    15,   -37,   -37,    15,   -37,    15,
+      15,    15,    15,    15,    15,    15,    15,   -37,    15,    15,
+      15,   -37,   -37
+};
+
+/* YYPGOTO[NTERM-NUM].  */
+static const yytype_int8 yypgoto[] =
+{
+     -37,   -37,   -14,   -37,   -36,   -37,   -37,   -37,   -37,   -37,
+     -37,   -37
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
+   positive, shift that token.  If negative, reduce the rule which
+   number is the opposite.  If zero, do what YYDEFACT says.
+   If YYTABLE_NINF, syntax error.  */
+#define YYTABLE_NINF -1
+static const yytype_uint8 yytable[] =
+{
+      55,    33,    50,    51,    38,    39,    38,    39,    59,    34,
+      17,    18,    57,    45,    52,    30,    31,    46,    38,    39,
+      68,    76,    35,    40,    41,    47,    44,    56,    58,    36,
+      53,    60,    61,    62,    63,    48,    65,    64,    66,     0,
+       0,    67,     0,     0,     0,     0,    69,    70,    71,    72,
+      73,    74,    77,     0,     0,     0,     0,     0,     0,    79,
+      80,     0,     0,    81,    20,    82,    83,    84,    85,    86,
+      87,    88,    89,    21,    90,    91,    92,     0,     0,     0,
+       0,    22,    23,    24,    25,     0,     0,     0,     0,    26,
+       0,     1,     0,     2,     3,     4,    27,    28,     5,     0,
+       6,     7,     8,     0,     0,     0,     0,     0,     0,     9,
+      10,    11,     0,     0,     0,    12,    13,    14,    15
+};
+
+static const yytype_int8 yycheck[] =
+{
+      14,     6,     5,     6,     3,     4,     3,     4,    44,    14,
+      22,    23,     0,     7,    17,    22,    23,    11,     3,     4,
+      56,    18,    27,    22,    23,    19,     9,     9,    42,    34,
+      33,    45,    46,    47,    48,    29,     9,    51,     9,    -1,
+      -1,    55,    -1,    -1,    -1,    -1,    60,    61,    62,    63,
+      64,    65,    66,    -1,    -1,    -1,    -1,    -1,    -1,    73,
+      74,    -1,    -1,    77,     3,    79,    80,    81,    82,    83,
+      84,    85,    86,    12,    88,    89,    90,    -1,    -1,    -1,
+      -1,    20,    21,    22,    23,    -1,    -1,    -1,    -1,    28,
+      -1,     6,    -1,     8,     9,    10,    35,    36,    13,    -1,
+      15,    16,    17,    -1,    -1,    -1,    -1,    -1,    -1,    24,
+      25,    26,    -1,    -1,    -1,    30,    31,    32,    33
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+   symbol of state STATE-NUM.  */
+static const yytype_uint8 yystos[] =
+{
+       0,     6,     8,     9,    10,    13,    15,    16,    17,    24,
+      25,    26,    30,    31,    32,    33,    38,    22,    23,    42,
+       3,    12,    20,    21,    22,    23,    28,    35,    36,    41,
+      22,    23,    40,     6,    14,    27,    34,    43,     3,     4,
+      22,    23,    39,    44,     9,     7,    11,    19,    29,    45,
+       5,     6,    17,    33,    46,    39,     9,     0,    39,    41,
+      39,    39,    39,    39,    39,     9,     9,    39,    41,    39,
+      39,    39,    39,    39,    39,    47,    18,    39,    48,    39,
+      39,    39,    39,    39,    39,    39,    39,    39,    39,    39,
+      39,    39,    39
+};
+
+#define yyerrok		(yyerrstatus = 0)
+#define yyclearin	(yychar = YYEMPTY)
+#define YYEMPTY		(-2)
+#define YYEOF		0
+
+#define YYACCEPT	goto yyacceptlab
+#define YYABORT		goto yyabortlab
+#define YYERROR		goto yyerrorlab
+
+
+/* Like YYERROR except do call yyerror.  This remains here temporarily
+   to ease the transition to the new meaning of YYERROR, for GCC.
+   Once GCC version 2 has supplanted version 1, this can go.  */
+
+#define YYFAIL		goto yyerrlab
+
+#define YYRECOVERING()  (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value)					\
+do								\
+  if (yychar == YYEMPTY && yylen == 1)				\
+    {								\
+      yychar = (Token);						\
+      yylval = (Value);						\
+      yytoken = YYTRANSLATE (yychar);				\
+      YYPOPSTACK (1);						\
+      goto yybackup;						\
+    }								\
+  else								\
+    {								\
+      yyerror (pn, ll, YY_("syntax error: cannot back up")); \
+      YYERROR;							\
+    }								\
+while (YYID (0))
+
+
+#define YYTERROR	1
+#define YYERRCODE	256
+
+
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+   If N is 0, then set CURRENT to the empty location which ends
+   the previous symbol: RHS[0] (always defined).  */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N)				\
+    do									\
+      if (YYID (N))                                                    \
+	{								\
+	  (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;	\
+	  (Current).first_column = YYRHSLOC (Rhs, 1).first_column;	\
+	  (Current).last_line    = YYRHSLOC (Rhs, N).last_line;		\
+	  (Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
+	}								\
+      else								\
+	{								\
+	  (Current).first_line   = (Current).last_line   =		\
+	    YYRHSLOC (Rhs, 0).last_line;				\
+	  (Current).first_column = (Current).last_column =		\
+	    YYRHSLOC (Rhs, 0).last_column;				\
+	}								\
+    while (YYID (0))
+#endif
+
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+   This macro was not mandated originally: define only if we know
+   we won't break user code: when these are the locations we know.  */
+
+#ifndef YY_LOCATION_PRINT
+# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
+#  define YY_LOCATION_PRINT(File, Loc)			\
+     fprintf (File, "%d.%d-%d.%d",			\
+	      (Loc).first_line, (Loc).first_column,	\
+	      (Loc).last_line,  (Loc).last_column)
+# else
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
+#endif
+
+
+/* YYLEX -- calling `yylex' with the right arguments.  */
+
+#ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, YYLEX_PARAM)
+#else
+# define YYLEX yylex (&yylval, ll)
+#endif
+
+/* Enable debugging if requested.  */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args)			\
+do {						\
+  if (yydebug)					\
+    YYFPRINTF Args;				\
+} while (YYID (0))
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)			  \
+do {									  \
+  if (yydebug)								  \
+    {									  \
+      YYFPRINTF (stderr, "%s ", Title);					  \
+      yy_symbol_print (stderr,						  \
+		  Type, Value, pn, ll); \
+      YYFPRINTF (stderr, "\n");						  \
+    }									  \
+} while (YYID (0))
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, Panner* pn, pnFlexLexer* ll)
+#else
+static void
+yy_symbol_value_print (yyoutput, yytype, yyvaluep, pn, ll)
+    FILE *yyoutput;
+    int yytype;
+    YYSTYPE const * const yyvaluep;
+    Panner* pn;
+    pnFlexLexer* ll;
+#endif
+{
+  if (!yyvaluep)
+    return;
+  YYUSE (pn);
+  YYUSE (ll);
+# ifdef YYPRINT
+  if (yytype < YYNTOKENS)
+    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# else
+  YYUSE (yyoutput);
+# endif
+  switch (yytype)
+    {
+      default:
+	break;
+    }
+}
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, Panner* pn, pnFlexLexer* ll)
+#else
+static void
+yy_symbol_print (yyoutput, yytype, yyvaluep, pn, ll)
+    FILE *yyoutput;
+    int yytype;
+    YYSTYPE const * const yyvaluep;
+    Panner* pn;
+    pnFlexLexer* ll;
+#endif
+{
+  if (yytype < YYNTOKENS)
+    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+  else
+    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+  yy_symbol_value_print (yyoutput, yytype, yyvaluep, pn, ll);
+  YYFPRINTF (yyoutput, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included).                                                   |
+`------------------------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
+#else
+static void
+yy_stack_print (bottom, top)
+    yytype_int16 *bottom;
+    yytype_int16 *top;
+#endif
+{
+  YYFPRINTF (stderr, "Stack now");
+  for (; bottom <= top; ++bottom)
+    YYFPRINTF (stderr, " %d", *bottom);
+  YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top)				\
+do {								\
+  if (yydebug)							\
+    yy_stack_print ((Bottom), (Top));				\
+} while (YYID (0))
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced.  |
+`------------------------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_reduce_print (YYSTYPE *yyvsp, int yyrule, Panner* pn, pnFlexLexer* ll)
+#else
+static void
+yy_reduce_print (yyvsp, yyrule, pn, ll)
+    YYSTYPE *yyvsp;
+    int yyrule;
+    Panner* pn;
+    pnFlexLexer* ll;
+#endif
+{
+  int yynrhs = yyr2[yyrule];
+  int yyi;
+  unsigned long int yylno = yyrline[yyrule];
+  YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+	     yyrule - 1, yylno);
+  /* The symbols being reduced.  */
+  for (yyi = 0; yyi < yynrhs; yyi++)
+    {
+      fprintf (stderr, "   $%d = ", yyi + 1);
+      yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
+		       &(yyvsp[(yyi + 1) - (yynrhs)])
+		       		       , pn, ll);
+      fprintf (stderr, "\n");
+    }
+}
+
+# define YY_REDUCE_PRINT(Rule)		\
+do {					\
+  if (yydebug)				\
+    yy_reduce_print (yyvsp, Rule, pn, ll); \
+} while (YYID (0))
+
+/* Nonzero means print parse trace.  It is left uninitialized so that
+   multiple parsers can coexist.  */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks.  */
+#ifndef	YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+   if the built-in stack extension method is used).
+
+   Do not make this value too large; the results are undefined if
+   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+   evaluated with infinite-precision integer arithmetic.  */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+#  if defined __GLIBC__ && defined _STRING_H
+#   define yystrlen strlen
+#  else
+/* Return the length of YYSTR.  */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static YYSIZE_T
+yystrlen (const char *yystr)
+#else
+static YYSIZE_T
+yystrlen (yystr)
+    const char *yystr;
+#endif
+{
+  YYSIZE_T yylen;
+  for (yylen = 0; yystr[yylen]; yylen++)
+    continue;
+  return yylen;
+}
+#  endif
+# endif
+
+# ifndef yystpcpy
+#  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+#   define yystpcpy stpcpy
+#  else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+   YYDEST.  */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static char *
+yystpcpy (char *yydest, const char *yysrc)
+#else
+static char *
+yystpcpy (yydest, yysrc)
+    char *yydest;
+    const char *yysrc;
+#endif
+{
+  char *yyd = yydest;
+  const char *yys = yysrc;
+
+  while ((*yyd++ = *yys++) != '\0')
+    continue;
+
+  return yyd - 1;
+}
+#  endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+   quotes and backslashes, so that it's suitable for yyerror.  The
+   heuristic is that double-quoting is unnecessary unless the string
+   contains an apostrophe, a comma, or backslash (other than
+   backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
+   null, do not copy; instead, return the length of what the result
+   would have been.  */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+  if (*yystr == '"')
+    {
+      YYSIZE_T yyn = 0;
+      char const *yyp = yystr;
+
+      for (;;)
+	switch (*++yyp)
+	  {
+	  case '\'':
+	  case ',':
+	    goto do_not_strip_quotes;
+
+	  case '\\':
+	    if (*++yyp != '\\')
+	      goto do_not_strip_quotes;
+	    /* Fall through.  */
+	  default:
+	    if (yyres)
+	      yyres[yyn] = *yyp;
+	    yyn++;
+	    break;
+
+	  case '"':
+	    if (yyres)
+	      yyres[yyn] = '\0';
+	    return yyn;
+	  }
+    do_not_strip_quotes: ;
+    }
+
+  if (! yyres)
+    return yystrlen (yystr);
+
+  return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+/* Copy into YYRESULT an error message about the unexpected token
+   YYCHAR while in state YYSTATE.  Return the number of bytes copied,
+   including the terminating null byte.  If YYRESULT is null, do not
+   copy anything; just return the number of bytes that would be
+   copied.  As a special case, return 0 if an ordinary "syntax error"
+   message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
+   size calculation.  */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yychar)
+{
+  int yyn = yypact[yystate];
+
+  if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
+    return 0;
+  else
+    {
+      int yytype = YYTRANSLATE (yychar);
+      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+      YYSIZE_T yysize = yysize0;
+      YYSIZE_T yysize1;
+      int yysize_overflow = 0;
+      enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+      char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+      int yyx;
+
+# if 0
+      /* This is so xgettext sees the translatable formats that are
+	 constructed on the fly.  */
+      YY_("syntax error, unexpected %s");
+      YY_("syntax error, unexpected %s, expecting %s");
+      YY_("syntax error, unexpected %s, expecting %s or %s");
+      YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+      YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+# endif
+      char *yyfmt;
+      char const *yyf;
+      static char const yyunexpected[] = "syntax error, unexpected %s";
+      static char const yyexpecting[] = ", expecting %s";
+      static char const yyor[] = " or %s";
+      char yyformat[sizeof yyunexpected
+		    + sizeof yyexpecting - 1
+		    + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+		       * (sizeof yyor - 1))];
+      char const *yyprefix = yyexpecting;
+
+      /* Start YYX at -YYN if negative to avoid negative indexes in
+	 YYCHECK.  */
+      int yyxbegin = yyn < 0 ? -yyn : 0;
+
+      /* Stay within bounds of both yycheck and yytname.  */
+      int yychecklim = YYLAST - yyn + 1;
+      int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+      int yycount = 1;
+
+      yyarg[0] = yytname[yytype];
+      yyfmt = yystpcpy (yyformat, yyunexpected);
+
+      for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+	if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+	  {
+	    if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+	      {
+		yycount = 1;
+		yysize = yysize0;
+		yyformat[sizeof yyunexpected - 1] = '\0';
+		break;
+	      }
+	    yyarg[yycount++] = yytname[yyx];
+	    yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+	    yysize_overflow |= (yysize1 < yysize);
+	    yysize = yysize1;
+	    yyfmt = yystpcpy (yyfmt, yyprefix);
+	    yyprefix = yyor;
+	  }
+
+      yyf = YY_(yyformat);
+      yysize1 = yysize + yystrlen (yyf);
+      yysize_overflow |= (yysize1 < yysize);
+      yysize = yysize1;
+
+      if (yysize_overflow)
+	return YYSIZE_MAXIMUM;
+
+      if (yyresult)
+	{
+	  /* Avoid sprintf, as that infringes on the user's name space.
+	     Don't have undefined behavior even if the translation
+	     produced a string with the wrong number of "%s"s.  */
+	  char *yyp = yyresult;
+	  int yyi = 0;
+	  while ((*yyp = *yyf) != '\0')
+	    {
+	      if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+		{
+		  yyp += yytnamerr (yyp, yyarg[yyi++]);
+		  yyf += 2;
+		}
+	      else
+		{
+		  yyp++;
+		  yyf++;
+		}
+	    }
+	}
+      return yysize;
+    }
+}
+#endif /* YYERROR_VERBOSE */
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol.  |
+`-----------------------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, Panner* pn, pnFlexLexer* ll)
+#else
+static void
+yydestruct (yymsg, yytype, yyvaluep, pn, ll)
+    const char *yymsg;
+    int yytype;
+    YYSTYPE *yyvaluep;
+    Panner* pn;
+    pnFlexLexer* ll;
+#endif
+{
+  YYUSE (yyvaluep);
+  YYUSE (pn);
+  YYUSE (ll);
+
+  if (!yymsg)
+    yymsg = "Deleting";
+  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+  switch (yytype)
+    {
+
+      default:
+	break;
+    }
+}
+
+
+/* Prevent warnings from -Wmissing-prototypes.  */
+
+#ifdef YYPARSE_PARAM
+#if defined __STDC__ || defined __cplusplus
+int yyparse (void *YYPARSE_PARAM);
+#else
+int yyparse ();
+#endif
+#else /* ! YYPARSE_PARAM */
+#if defined __STDC__ || defined __cplusplus
+int yyparse (Panner* pn, pnFlexLexer* ll);
+#else
+int yyparse ();
+#endif
+#endif /* ! YYPARSE_PARAM */
+
+
+
+
+
+
+/*----------.
+| yyparse.  |
+`----------*/
+
+#ifdef YYPARSE_PARAM
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void *YYPARSE_PARAM)
+#else
+int
+yyparse (YYPARSE_PARAM)
+    void *YYPARSE_PARAM;
+#endif
+#else /* ! YYPARSE_PARAM */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (Panner* pn, pnFlexLexer* ll)
+#else
+int
+yyparse (pn, ll)
+    Panner* pn;
+    pnFlexLexer* ll;
+#endif
+#endif
+{
+  /* The look-ahead symbol.  */
+int yychar;
+
+/* The semantic value of the look-ahead symbol.  */
+YYSTYPE yylval;
+
+/* Number of syntax errors so far.  */
+int yynerrs;
+
+  int yystate;
+  int yyn;
+  int yyresult;
+  /* Number of tokens to shift before error messages enabled.  */
+  int yyerrstatus;
+  /* Look-ahead token as an internal (translated) token number.  */
+  int yytoken = 0;
+#if YYERROR_VERBOSE
+  /* Buffer for error messages, and its allocated size.  */
+  char yymsgbuf[128];
+  char *yymsg = yymsgbuf;
+  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+  /* Three stacks and their tools:
+     `yyss': related to states,
+     `yyvs': related to semantic values,
+     `yyls': related to locations.
+
+     Refer to the stacks thru separate pointers, to allow yyoverflow
+     to reallocate them elsewhere.  */
+
+  /* The state stack.  */
+  yytype_int16 yyssa[YYINITDEPTH];
+  yytype_int16 *yyss = yyssa;
+  yytype_int16 *yyssp;
+
+  /* The semantic value stack.  */
+  YYSTYPE yyvsa[YYINITDEPTH];
+  YYSTYPE *yyvs = yyvsa;
+  YYSTYPE *yyvsp;
+
+
+
+#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
+
+  YYSIZE_T yystacksize = YYINITDEPTH;
+
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+
+
+  /* The number of symbols on the RHS of the reduced rule.
+     Keep to zero when no symbol should be popped.  */
+  int yylen = 0;
+
+  YYDPRINTF ((stderr, "Starting parse\n"));
+
+  yystate = 0;
+  yyerrstatus = 0;
+  yynerrs = 0;
+  yychar = YYEMPTY;		/* Cause a token to be read.  */
+
+  /* Initialize stack pointers.
+     Waste one element of value and location stack
+     so that they stay on the same level as the state stack.
+     The wasted elements are never initialized.  */
+
+  yyssp = yyss;
+  yyvsp = yyvs;
+
+  goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate.  |
+`------------------------------------------------------------*/
+ yynewstate:
+  /* In all cases, when you get here, the value and location stacks
+     have just been pushed.  So pushing a state here evens the stacks.  */
+  yyssp++;
+
+ yysetstate:
+  *yyssp = yystate;
+
+  if (yyss + yystacksize - 1 <= yyssp)
+    {
+      /* Get the current used size of the three stacks, in elements.  */
+      YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+      {
+	/* Give user a chance to reallocate the stack.  Use copies of
+	   these so that the &'s don't force the real ones into
+	   memory.  */
+	YYSTYPE *yyvs1 = yyvs;
+	yytype_int16 *yyss1 = yyss;
+
+
+	/* Each stack pointer address is followed by the size of the
+	   data in use in that stack, in bytes.  This used to be a
+	   conditional around just the two extra args, but that might
+	   be undefined if yyoverflow is a macro.  */
+	yyoverflow (YY_("memory exhausted"),
+		    &yyss1, yysize * sizeof (*yyssp),
+		    &yyvs1, yysize * sizeof (*yyvsp),
+
+		    &yystacksize);
+
+	yyss = yyss1;
+	yyvs = yyvs1;
+      }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+      goto yyexhaustedlab;
+# else
+      /* Extend the stack our own way.  */
+      if (YYMAXDEPTH <= yystacksize)
+	goto yyexhaustedlab;
+      yystacksize *= 2;
+      if (YYMAXDEPTH < yystacksize)
+	yystacksize = YYMAXDEPTH;
+
+      {
+	yytype_int16 *yyss1 = yyss;
+	union yyalloc *yyptr =
+	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+	if (! yyptr)
+	  goto yyexhaustedlab;
+	YYSTACK_RELOCATE (yyss);
+	YYSTACK_RELOCATE (yyvs);
+
+#  undef YYSTACK_RELOCATE
+	if (yyss1 != yyssa)
+	  YYSTACK_FREE (yyss1);
+      }
+# endif
+#endif /* no yyoverflow */
+
+      yyssp = yyss + yysize - 1;
+      yyvsp = yyvs + yysize - 1;
+
+
+      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+		  (unsigned long int) yystacksize));
+
+      if (yyss + yystacksize - 1 <= yyssp)
+	YYABORT;
+    }
+
+  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+  goto yybackup;
+
+/*-----------.
+| yybackup.  |
+`-----------*/
+yybackup:
+
+  /* Do appropriate processing given the current state.  Read a
+     look-ahead token if we need one and don't already have one.  */
+
+  /* First try to decide what to do without reference to look-ahead token.  */
+  yyn = yypact[yystate];
+  if (yyn == YYPACT_NINF)
+    goto yydefault;
+
+  /* Not known => get a look-ahead token if don't already have one.  */
+
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
+  if (yychar == YYEMPTY)
+    {
+      YYDPRINTF ((stderr, "Reading a token: "));
+      yychar = YYLEX;
+    }
+
+  if (yychar <= YYEOF)
+    {
+      yychar = yytoken = YYEOF;
+      YYDPRINTF ((stderr, "Now at end of input.\n"));
+    }
+  else
+    {
+      yytoken = YYTRANSLATE (yychar);
+      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+    }
+
+  /* If the proper action on seeing token YYTOKEN is to reduce or to
+     detect an error, take that action.  */
+  yyn += yytoken;
+  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+    goto yydefault;
+  yyn = yytable[yyn];
+  if (yyn <= 0)
+    {
+      if (yyn == 0 || yyn == YYTABLE_NINF)
+	goto yyerrlab;
+      yyn = -yyn;
+      goto yyreduce;
+    }
+
+  if (yyn == YYFINAL)
+    YYACCEPT;
+
+  /* Count tokens shifted since error; after three, turn off error
+     status.  */
+  if (yyerrstatus)
+    yyerrstatus--;
+
+  /* Shift the look-ahead token.  */
+  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+
+  /* Discard the shifted token unless it is eof.  */
+  if (yychar != YYEOF)
+    yychar = YYEMPTY;
+
+  yystate = yyn;
+  *++yyvsp = yylval;
+
+  goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state.  |
+`-----------------------------------------------------------*/
+yydefault:
+  yyn = yydefact[yystate];
+  if (yyn == 0)
+    goto yyerrlab;
+  goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction.  |
+`-----------------------------*/
+yyreduce:
+  /* yyn is the number of a rule to reduce with.  */
+  yylen = yyr2[yyn];
+
+  /* If YYLEN is nonzero, implement the default value of the action:
+     `$$ = $1'.
+
+     Otherwise, the following line sets YYVAL to garbage.
+     This behavior is undocumented and Bison
+     users should not rely upon it.  Assigning to YYVAL
+     unconditionally makes the parser a bit smaller, and it avoids a
+     GCC warning that YYVAL may be used uninitialized.  */
+  yyval = yyvsp[1-yylen];
+
+
+  YY_REDUCE_PRINT (yyn);
+  switch (yyn)
+    {
+        case 4:
+#line 74 "panner/parser.Y"
+    {pn->updateCmd(0);;}
+    break;
+
+  case 5:
+#line 75 "panner/parser.Y"
+    {pn->setCompassCmd((yyvsp[(2) - (2)].integer));;}
+    break;
+
+  case 6:
+#line 76 "panner/parser.Y"
+    {pn->setCompassCmd((yyvsp[(3) - (3)].integer));;}
+    break;
+
+  case 8:
+#line 78 "panner/parser.Y"
+    {pn->hideCmd();;}
+    break;
+
+  case 11:
+#line 81 "panner/parser.Y"
+    {pn->resetCmd();;}
+    break;
+
+  case 12:
+#line 82 "panner/parser.Y"
+    {pn->showCmd();;}
+    break;
+
+  case 14:
+#line 84 "panner/parser.Y"
+    {pn->msg("Panner 1.0");;}
+    break;
+
+  case 15:
+#line 85 "panner/parser.Y"
+    {pn->warpCmd(Vector((yyvsp[(2) - (3)].real), (yyvsp[(3) - (3)].real)));;}
+    break;
+
+  case 16:
+#line 86 "panner/parser.Y"
+    {pn->setCompassCmd((yyvsp[(3) - (3)].integer));;}
+    break;
+
+  case 17:
+#line 89 "panner/parser.Y"
+    {(yyval.real)=(yyvsp[(1) - (1)].real);;}
+    break;
+
+  case 18:
+#line 90 "panner/parser.Y"
+    {(yyval.real)=(yyvsp[(1) - (1)].integer);;}
+    break;
+
+  case 19:
+#line 93 "panner/parser.Y"
+    {yydebug=1;;}
+    break;
+
+  case 20:
+#line 94 "panner/parser.Y"
+    {yydebug=0;;}
+    break;
+
+  case 21:
+#line 97 "panner/parser.Y"
+    {(yyval.integer)=((yyvsp[(1) - (1)].integer) ? 1 : 0);;}
+    break;
+
+  case 22:
+#line 99 "panner/parser.Y"
+    {(yyval.integer)=1;;}
+    break;
+
+  case 23:
+#line 100 "panner/parser.Y"
+    {(yyval.integer)=1;;}
+    break;
+
+  case 24:
+#line 101 "panner/parser.Y"
+    {(yyval.integer)=1;;}
+    break;
+
+  case 25:
+#line 102 "panner/parser.Y"
+    {(yyval.integer)=1;;}
+    break;
+
+  case 26:
+#line 104 "panner/parser.Y"
+    {(yyval.integer)=0;;}
+    break;
+
+  case 27:
+#line 105 "panner/parser.Y"
+    {(yyval.integer)=0;;}
+    break;
+
+  case 28:
+#line 106 "panner/parser.Y"
+    {(yyval.integer)=0;;}
+    break;
+
+  case 29:
+#line 107 "panner/parser.Y"
+    {(yyval.integer)=0;;}
+    break;
+
+  case 30:
+#line 110 "panner/parser.Y"
+    {pn->setBBoxCmd(1);;}
+    break;
+
+  case 31:
+#line 111 "panner/parser.Y"
+    {pn->setBBoxCmd(0);;}
+    break;
+
+  case 32:
+#line 114 "panner/parser.Y"
+    {pn->getBBoxCmd();;}
+    break;
+
+  case 33:
+#line 115 "panner/parser.Y"
+    {pn->getHeightCmd();;}
+    break;
+
+  case 34:
+#line 116 "panner/parser.Y"
+    {pn->getSizeCmd();;}
+    break;
+
+  case 35:
+#line 117 "panner/parser.Y"
+    {pn->getWidthCmd();;}
+    break;
+
+  case 36:
+#line 120 "panner/parser.Y"
+    {pn->highLiteCmd(Vector((yyvsp[(1) - (2)].real),(yyvsp[(2) - (2)].real)));;}
+    break;
+
+  case 37:
+#line 121 "panner/parser.Y"
+    {pn->highLiteCmd(0);;}
+    break;
+
+  case 38:
+#line 122 "panner/parser.Y"
+    {pn->highLiteCmd(1);;}
+    break;
+
+  case 39:
+#line 125 "panner/parser.Y"
+    {pn->panBeginCmd(Vector((yyvsp[(2) - (3)].real),(yyvsp[(3) - (3)].real)));;}
+    break;
+
+  case 40:
+#line 126 "panner/parser.Y"
+    {pn->panMotionCmd(Vector((yyvsp[(2) - (3)].real),(yyvsp[(3) - (3)].real)));;}
+    break;
+
+  case 41:
+#line 127 "panner/parser.Y"
+    {pn->panEndCmd(Vector((yyvsp[(2) - (3)].real),(yyvsp[(3) - (3)].real)));;}
+    break;
+
+  case 42:
+#line 128 "panner/parser.Y"
+    {pn->panToCmd(Vector((yyvsp[(2) - (3)].real),(yyvsp[(3) - (3)].real)));;}
+    break;
+
+  case 43:
+#line 131 "panner/parser.Y"
+    {pn->updateCmd((yyvsp[(1) - (1)].ptr));;}
+    break;
+
+  case 44:
+#line 134 "panner/parser.Y"
+    {pn->updateBBoxCmd(Vector((yyvsp[(2) - (9)].real),(yyvsp[(3) - (9)].real)),Vector((yyvsp[(4) - (9)].real),(yyvsp[(5) - (9)].real)),
+	    Vector((yyvsp[(6) - (9)].real),(yyvsp[(7) - (9)].real)),Vector((yyvsp[(8) - (9)].real),(yyvsp[(9) - (9)].real)));;}
+    break;
+
+  case 47:
+#line 141 "panner/parser.Y"
+    {pn->updateImageCompassCmd(Vector((yyvsp[(1) - (4)].real),(yyvsp[(2) - (4)].real)),Vector((yyvsp[(3) - (4)].real),(yyvsp[(4) - (4)].real)));;}
+    break;
+
+  case 48:
+#line 143 "panner/parser.Y"
+    {pn->updateImageCompassCmd(Vector((yyvsp[(1) - (6)].real),(yyvsp[(2) - (6)].real)), Vector((yyvsp[(3) - (6)].real),(yyvsp[(4) - (6)].real)),
+	   Vector((yyvsp[(5) - (6)].real),(yyvsp[(6) - (6)].real)));;}
+    break;
+
+  case 49:
+#line 148 "panner/parser.Y"
+    {pn->updateWCSCompassCmd(Vector((yyvsp[(1) - (4)].real),(yyvsp[(2) - (4)].real)),Vector((yyvsp[(3) - (4)].real),(yyvsp[(4) - (4)].real)));;}
+    break;
+
+  case 50:
+#line 149 "panner/parser.Y"
+    {pn->updateWCSCompassCmd();;}
+    break;
+
+
+/* Line 1267 of yacc.c.  */
+#line 1706 "panner/parser.C"
+      default: break;
+    }
+  YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
+
+  *++yyvsp = yyval;
+
+
+  /* Now `shift' the result of the reduction.  Determine what state
+     that goes to, based on the state we popped back to and the rule
+     number reduced by.  */
+
+  yyn = yyr1[yyn];
+
+  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+    yystate = yytable[yystate];
+  else
+    yystate = yydefgoto[yyn - YYNTOKENS];
+
+  goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+  /* If not already recovering from an error, report this error.  */
+  if (!yyerrstatus)
+    {
+      ++yynerrs;
+#if ! YYERROR_VERBOSE
+      yyerror (pn, ll, YY_("syntax error"));
+#else
+      {
+	YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+	if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+	  {
+	    YYSIZE_T yyalloc = 2 * yysize;
+	    if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+	      yyalloc = YYSTACK_ALLOC_MAXIMUM;
+	    if (yymsg != yymsgbuf)
+	      YYSTACK_FREE (yymsg);
+	    yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+	    if (yymsg)
+	      yymsg_alloc = yyalloc;
+	    else
+	      {
+		yymsg = yymsgbuf;
+		yymsg_alloc = sizeof yymsgbuf;
+	      }
+	  }
+
+	if (0 < yysize && yysize <= yymsg_alloc)
+	  {
+	    (void) yysyntax_error (yymsg, yystate, yychar);
+	    yyerror (pn, ll, yymsg);
+	  }
+	else
+	  {
+	    yyerror (pn, ll, YY_("syntax error"));
+	    if (yysize != 0)
+	      goto yyexhaustedlab;
+	  }
+      }
+#endif
+    }
+
+
+
+  if (yyerrstatus == 3)
+    {
+      /* If just tried and failed to reuse look-ahead token after an
+	 error, discard it.  */
+
+      if (yychar <= YYEOF)
+	{
+	  /* Return failure if at end of input.  */
+	  if (yychar == YYEOF)
+	    YYABORT;
+	}
+      else
+	{
+	  yydestruct ("Error: discarding",
+		      yytoken, &yylval, pn, ll);
+	  yychar = YYEMPTY;
+	}
+    }
+
+  /* Else will try to reuse look-ahead token after shifting the error
+     token.  */
+  goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR.  |
+`---------------------------------------------------*/
+yyerrorlab:
+
+  /* Pacify compilers like GCC when the user code never invokes
+     YYERROR and the label yyerrorlab therefore never appears in user
+     code.  */
+  if (/*CONSTCOND*/ 0)
+     goto yyerrorlab;
+
+  /* Do not reclaim the symbols of the rule which action triggered
+     this YYERROR.  */
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
+  yystate = *yyssp;
+  goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR.  |
+`-------------------------------------------------------------*/
+yyerrlab1:
+  yyerrstatus = 3;	/* Each real token shifted decrements this.  */
+
+  for (;;)
+    {
+      yyn = yypact[yystate];
+      if (yyn != YYPACT_NINF)
+	{
+	  yyn += YYTERROR;
+	  if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+	    {
+	      yyn = yytable[yyn];
+	      if (0 < yyn)
+		break;
+	    }
+	}
+
+      /* Pop the current state because it cannot handle the error token.  */
+      if (yyssp == yyss)
+	YYABORT;
+
+
+      yydestruct ("Error: popping",
+		  yystos[yystate], yyvsp, pn, ll);
+      YYPOPSTACK (1);
+      yystate = *yyssp;
+      YY_STACK_PRINT (yyss, yyssp);
+    }
+
+  if (yyn == YYFINAL)
+    YYACCEPT;
+
+  *++yyvsp = yylval;
+
+
+  /* Shift the error token.  */
+  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
+
+  yystate = yyn;
+  goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here.  |
+`-------------------------------------*/
+yyacceptlab:
+  yyresult = 0;
+  goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here.  |
+`-----------------------------------*/
+yyabortlab:
+  yyresult = 1;
+  goto yyreturn;
+
+#ifndef yyoverflow
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here.  |
+`-------------------------------------------------*/
+yyexhaustedlab:
+  yyerror (pn, ll, YY_("memory exhausted"));
+  yyresult = 2;
+  /* Fall through.  */
+#endif
+
+yyreturn:
+  if (yychar != YYEOF && yychar != YYEMPTY)
+     yydestruct ("Cleanup: discarding lookahead",
+		 yytoken, &yylval, pn, ll);
+  /* Do not reclaim the symbols of the rule which action triggered
+     this YYABORT or YYACCEPT.  */
+  YYPOPSTACK (yylen);
+  YY_STACK_PRINT (yyss, yyssp);
+  while (yyssp != yyss)
+    {
+      yydestruct ("Cleanup: popping",
+		  yystos[*yyssp], yyvsp, pn, ll);
+      YYPOPSTACK (1);
+    }
+#ifndef yyoverflow
+  if (yyss != yyssa)
+    YYSTACK_FREE (yyss);
+#endif
+#if YYERROR_VERBOSE
+  if (yymsg != yymsgbuf)
+    YYSTACK_FREE (yymsg);
+#endif
+  /* Make sure YYID is used.  */
+  return YYID (yyresult);
+}
+
+
+#line 152 "panner/parser.Y"
+
+
+
+
diff --git a/tksao/panner/parser.H b/tksao/panner/parser.H
new file mode 100644
index 0000000..2537fdb
--- /dev/null
+++ b/tksao/panner/parser.H
@@ -0,0 +1,135 @@
+/* A Bison parser, made by GNU Bison 2.3.  */
+
+/* Skeleton interface for Bison's Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     INT = 258,
+     REAL = 259,
+     POINTER = 260,
+     BBOX_ = 261,
+     BEGIN_ = 262,
+     CLEAR_ = 263,
+     COMPASS_ = 264,
+     DEBUG_ = 265,
+     END_ = 266,
+     FALSE_ = 267,
+     GET_ = 268,
+     HEIGHT_ = 269,
+     HIDE_ = 270,
+     HIGHLITE_ = 271,
+     IMAGE_ = 272,
+     INVALID_ = 273,
+     MOTION_ = 274,
+     N_ = 275,
+     NO_ = 276,
+     OFF_ = 277,
+     ON_ = 278,
+     PAN_ = 279,
+     RESET_ = 280,
+     SHOW_ = 281,
+     SIZE_ = 282,
+     TRUE_ = 283,
+     TO_ = 284,
+     UPDATE_ = 285,
+     VERSION_ = 286,
+     WARP_ = 287,
+     WCS_ = 288,
+     WIDTH_ = 289,
+     Y_ = 290,
+     YES_ = 291
+   };
+#endif
+/* Tokens.  */
+#define INT 258
+#define REAL 259
+#define POINTER 260
+#define BBOX_ 261
+#define BEGIN_ 262
+#define CLEAR_ 263
+#define COMPASS_ 264
+#define DEBUG_ 265
+#define END_ 266
+#define FALSE_ 267
+#define GET_ 268
+#define HEIGHT_ 269
+#define HIDE_ 270
+#define HIGHLITE_ 271
+#define IMAGE_ 272
+#define INVALID_ 273
+#define MOTION_ 274
+#define N_ 275
+#define NO_ 276
+#define OFF_ 277
+#define ON_ 278
+#define PAN_ 279
+#define RESET_ 280
+#define SHOW_ 281
+#define SIZE_ 282
+#define TRUE_ 283
+#define TO_ 284
+#define UPDATE_ 285
+#define VERSION_ 286
+#define WARP_ 287
+#define WCS_ 288
+#define WIDTH_ 289
+#define Y_ 290
+#define YES_ 291
+
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+#line 24 "panner/parser.Y"
+{
+  float real;
+  int integer;
+  void* ptr;
+  char str[1024];
+}
+/* Line 1529 of yacc.c.  */
+#line 128 "panner/parser.H"
+	YYSTYPE;
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+
+
diff --git a/tksao/panner/parser.Y b/tksao/panner/parser.Y
new file mode 100644
index 0000000..024b2ec
--- /dev/null
+++ b/tksao/panner/parser.Y
@@ -0,0 +1,154 @@
+// Copyright (C) 1999-2016
+// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
+// For conditions of distribution and use, see copyright notice in "copyright"
+
+%pure-parser
+%parse-param {Panner* pn}
+%lex-param {pnFlexLexer* ll}
+%parse-param {pnFlexLexer* ll}
+
+%{
+#define YYDEBUG 1
+
+#include <stdlib.h>
+#include "panner.h"
+
+#undef yyFlexLexer
+#define yyFlexLexer pnFlexLexer
+#include <FlexLexer.h>
+
+extern int pnlex(void*, pnFlexLexer*);
+extern void pnerror(Panner*, pnFlexLexer*, const char*);
+%}
+
+%union {
+  float real;
+  int integer;
+  void* ptr;
+  char str[1024];
+}
+
+%type <real> numeric
+%type <integer> yesno
+
+%token <integer> INT
+%token <real> REAL
+%token <ptr> POINTER
+
+%token BBOX_
+%token BEGIN_
+%token CLEAR_
+%token COMPASS_
+%token DEBUG_
+%token END_
+%token FALSE_
+%token GET_
+%token HEIGHT_
+%token HIDE_
+%token HIGHLITE_
+%token IMAGE_
+%token INVALID_
+%token MOTION_
+%token N_
+%token NO_
+%token OFF_
+%token ON_
+%token PAN_
+%token RESET_
+%token SHOW_
+%token SIZE_
+%token TRUE_
+%token TO_
+%token UPDATE_
+%token VERSION_
+%token WARP_
+%token WCS_
+%token WIDTH_
+%token Y_
+%token YES_
+
+%%
+
+command : DEBUG_ debug
+	| BBOX_ bbox
+	| CLEAR_ {pn->updateCmd(0);}
+	| COMPASS_ yesno {pn->setCompassCmd($2);}
+	| IMAGE_ COMPASS_ yesno {pn->setCompassCmd($3);}
+	| GET_ get
+	| HIDE_ {pn->hideCmd();}
+	| HIGHLITE_ highLite
+	| PAN_ pan
+	| RESET_ {pn->resetCmd();}
+	| SHOW_ {pn->showCmd();}
+	| UPDATE_ update
+	| VERSION_ {pn->msg("Panner 1.0");}
+	| WARP_ numeric numeric {pn->warpCmd(Vector($2, $3));}
+	| WCS_ COMPASS_ yesno {pn->setCompassCmd($3);}
+	;
+
+numeric	: REAL {$$=$1;}
+	| INT {$$=$1;}
+	;
+
+debug	: ON_ {yydebug=1;}
+	| OFF_ {yydebug=0;}
+	;
+
+yesno	: INT {$$=($1 ? 1 : 0);}
+
+	| YES_ {$$=1;}
+	| Y_ {$$=1;}
+	| ON_ {$$=1;}
+	| TRUE_ {$$=1;}
+
+	| NO_ {$$=0;}
+	| N_ {$$=0;}
+	| OFF_ {$$=0;}
+	| FALSE_ {$$=0;}
+	;
+
+bbox	: ON_ {pn->setBBoxCmd(1);}
+	| OFF_ {pn->setBBoxCmd(0);}
+	;
+
+get	: BBOX_ {pn->getBBoxCmd();}
+	| HEIGHT_ {pn->getHeightCmd();}
+	| SIZE_ {pn->getSizeCmd();}
+	| WIDTH_ {pn->getWidthCmd();}
+	;
+
+highLite: numeric numeric {pn->highLiteCmd(Vector($1,$2));}
+	| OFF_ {pn->highLiteCmd(0);}
+	| ON_ {pn->highLiteCmd(1);}
+	;
+
+pan	: BEGIN_ numeric numeric {pn->panBeginCmd(Vector($2,$3));}
+	| MOTION_ numeric numeric {pn->panMotionCmd(Vector($2,$3));}
+	| END_ numeric numeric {pn->panEndCmd(Vector($2,$3));}
+	| TO_ numeric numeric {pn->panToCmd(Vector($2,$3));}
+	;
+
+update	: POINTER {pn->updateCmd($1);}
+	| BBOX_ numeric numeric numeric numeric 
+	    numeric numeric numeric numeric 
+	  {pn->updateBBoxCmd(Vector($2,$3),Vector($4,$5),
+	    Vector($6,$7),Vector($8,$9));}
+	| IMAGE_ COMPASS_ updateImageCompass
+	| WCS_ COMPASS_ updateWCSCompass
+	;
+
+updateImageCompass : numeric numeric numeric numeric
+	  {pn->updateImageCompassCmd(Vector($1,$2),Vector($3,$4));}
+	| numeric numeric numeric numeric numeric numeric
+	  {pn->updateImageCompassCmd(Vector($1,$2), Vector($3,$4),
+	   Vector($5,$6));}
+	;
+
+updateWCSCompass : numeric numeric numeric numeric 
+	  {pn->updateWCSCompassCmd(Vector($1,$2),Vector($3,$4));}
+	| INVALID_ {pn->updateWCSCompassCmd();}
+	;
+
+%%
+
+