Improved messages produced on getting a syntax error in an expression

11 files changed, 447 insertions, 445 deletions

diff --git a/ChangeLog b/ChangeLog
index f63bb58..e3c7687 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,18 @@
+2001-12-04  Donal K. Fellows  <fellowsd@cs.man.ac.uk>
+
+	* tests/compExpr-old.test, tests/compExpr.test, tests/compile.test: 
+	* tests/expr-old.test, tests/expr.test, tests/for.test: 
+	* tests/while.test, tests/if.test: Rewrite to handle more specific
+	syntax errors.
+	* tests/parseExpr.test: Rewrite to get rid of dup test numbers and
+	handle more specific syntax errors.
+	* generic/tclParseExpr.c (LogSyntaxError): Added a detail message
+	argument to help explain what the syntax error is.
+	(Tcl_ParseExpr, ParseCondExpr, ParsePrimaryExpr): Added detail
+	messages.
+	(UNKNOWN_CHAR): New lexeme for characters that are always illegal
+	in expressions outside strings.
+
 2001-12-03  Donal K. Fellows  <fellowsd@cs.man.ac.uk>
 
 	* doc/expr.n: Various documentation improvements in relation to
diff --git a/generic/tclParseExpr.c b/generic/tclParseExpr.c
index f37c626..fa50209 100644
--- a/generic/tclParseExpr.c
+++ b/generic/tclParseExpr.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclParseExpr.c,v 1.9 2001/10/01 15:31:51 msofer Exp $
+ * RCS: @(#) $Id: tclParseExpr.c,v 1.10 2001/12/04 15:36:29 dkf Exp $
  */
 
 #include "tclInt.h"
@@ -71,6 +71,8 @@ typedef struct ParseInfo {
  * Definitions of the different lexemes that appear in expressions. The
  * order of these must match the corresponding entries in the
  * operatorStrings array below.
+ *
+ * Basic lexemes:
  */
 
 #define LITERAL		0
@@ -84,42 +86,47 @@ typedef struct ParseInfo {
 #define COMMA		8
 #define END		9
 #define UNKNOWN		10
+#define UNKNOWN_CHAR	11
 
 /*
- * Binary operators:
+ * Binary numeric operators:
  */
 
-#define MULT		11
-#define DIVIDE		12
-#define MOD		13
-#define PLUS		14
-#define MINUS		15
-#define LEFT_SHIFT	16
-#define RIGHT_SHIFT	17
-#define LESS		18
-#define GREATER		19
-#define LEQ		20
-#define GEQ		21
-#define EQUAL		22
-#define NEQ		23
-#define BIT_AND		24
-#define BIT_XOR		25
-#define BIT_OR		26
-#define AND		27
-#define OR		28
-#define QUESTY		29
-#define COLON		30
+#define MULT		12
+#define DIVIDE		13
+#define MOD		14
+#define PLUS		15
+#define MINUS		16
+#define LEFT_SHIFT	17
+#define RIGHT_SHIFT	18
+#define LESS		19
+#define GREATER		20
+#define LEQ		21
+#define GEQ		22
+#define EQUAL		23
+#define NEQ		24
+#define BIT_AND		25
+#define BIT_XOR		26
+#define BIT_OR		27
+#define AND		28
+#define OR		29
+#define QUESTY		30
+#define COLON		31
 
 /*
  * Unary operators. Unary minus and plus are represented by the (binary)
  * lexemes MINUS and PLUS.
  */
 
-#define NOT		31
-#define BIT_NOT		32
+#define NOT		32
+#define BIT_NOT		33
+
+/*
+ * Binary string operators:
+ */
 
-#define STREQ		33
-#define STRNEQ		34
+#define STREQ		34
+#define STRNEQ		35
 
 /*
  * Mapping from lexemes to strings; used for debugging messages. These
@@ -129,7 +136,7 @@ typedef struct ParseInfo {
 #ifdef TCL_COMPILE_DEBUG
 static char *lexemeStrings[] = {
     "LITERAL", "FUNCNAME",
-    "[", "{", "(", ")", "$", "\"", ",", "END", "UNKNOWN",
+    "[", "{", "(", ")", "$", "\"", ",", "END", "UNKNOWN", "UNKNOWN_CHAR",
     "*", "/", "%", "+", "-",
     "<<", ">>", "<", ">", "<=", ">=", "==", "!=",
     "&", "^", "|", "&&", "||", "?", ":",
@@ -142,7 +149,8 @@ static char *lexemeStrings[] = {
  */
 
 static int		GetLexeme _ANSI_ARGS_((ParseInfo *infoPtr));
-static void		LogSyntaxError _ANSI_ARGS_((ParseInfo *infoPtr));
+static void		LogSyntaxError _ANSI_ARGS_((ParseInfo *infoPtr,
+				char *extraInfo));
 static int		ParseAddExpr _ANSI_ARGS_((ParseInfo *infoPtr));
 static int		ParseBitAndExpr _ANSI_ARGS_((ParseInfo *infoPtr));
 static int		ParseBitOrExpr _ANSI_ARGS_((ParseInfo *infoPtr));
@@ -157,8 +165,8 @@ static int		ParseRelationalExpr _ANSI_ARGS_((ParseInfo *infoPtr));
 static int		ParseShiftExpr _ANSI_ARGS_((ParseInfo *infoPtr));
 static int		ParseUnaryExpr _ANSI_ARGS_((ParseInfo *infoPtr));
 static void		PrependSubExprTokens _ANSI_ARGS_((char *op,
-			    int opBytes, char *src, int srcBytes,
-			    int firstIndex, ParseInfo *infoPtr));
+				int opBytes, char *src, int srcBytes,
+				int firstIndex, ParseInfo *infoPtr));
 
 /*
  * Macro used to debug the execution of the recursive descent parser used
@@ -281,7 +289,7 @@ Tcl_ParseExpr(interp, string, numBytes, parsePtr)
 	goto error;
     }
     if (info.lexeme != END) {
-	LogSyntaxError(&info);
+	LogSyntaxError(&info, "extra tokens at end of expression");
 	goto error;
     }
     string[numBytes] = (char) savedChar;
@@ -387,7 +395,7 @@ ParseCondExpr(infoPtr)
 	    return code;
 	}
 	if (infoPtr->lexeme != COLON) {
-	    LogSyntaxError(infoPtr);
+	    LogSyntaxError(infoPtr, "missing colon from ternary conditional");
 	    return TCL_ERROR;
 	}
 	code = GetLexeme(infoPtr); /* skip over the ':' */
@@ -1148,7 +1156,8 @@ ParsePrimaryExpr(infoPtr)
 	    return code;
 	}
 	if (infoPtr->lexeme != CLOSE_PAREN) {
-	    goto syntaxError;
+	    LogSyntaxError(infoPtr, "looking for close parenthesis");
+	    return TCL_ERROR;
 	}
 	code = GetLexeme(infoPtr); /* skip over the ')' */
 	if (code != TCL_OK) {
@@ -1378,7 +1387,9 @@ ParsePrimaryExpr(infoPtr)
 	    return code;
 	}
 	if (infoPtr->lexeme != OPEN_PAREN) {
-	    goto syntaxError;
+	    LogSyntaxError(infoPtr,
+		    "expected a parenthesis enclosing function arguments");
+	    return TCL_ERROR;
 	}
 	code = GetLexeme(infoPtr); /* skip over '(' */
 	if (code != TCL_OK) {
@@ -1397,7 +1408,9 @@ ParsePrimaryExpr(infoPtr)
 		    return code;
 		}
 	    } else if (infoPtr->lexeme != CLOSE_PAREN) {
-		goto syntaxError;
+		LogSyntaxError(infoPtr,
+			"missing close parenthesis at end of function call");
+		return TCL_ERROR;
 	    }
 	}
 
@@ -1406,8 +1419,37 @@ ParsePrimaryExpr(infoPtr)
 	exprTokenPtr->numComponents = parsePtr->numTokens - firstIndex;
 	break;
 
+    case COMMA:
+	LogSyntaxError(infoPtr,
+		"commas can only separate function arguments");
+	return TCL_ERROR;
+    case END:
+	LogSyntaxError(infoPtr, "premature end of expression");
+	return TCL_ERROR;
+    case UNKNOWN:
+	LogSyntaxError(infoPtr, "single equality character not legal in expressions");
+	return TCL_ERROR;
+    case UNKNOWN_CHAR:
+	LogSyntaxError(infoPtr, "character not legal in expressions");
+	return TCL_ERROR;
+    case QUESTY:
+	LogSyntaxError(infoPtr, "unexpected ternary 'then' separator");
+	return TCL_ERROR;
+    case COLON:
+	LogSyntaxError(infoPtr, "unexpected ternary 'else' separator");
+	return TCL_ERROR;
+
     default:
-	goto syntaxError;
+#ifdef TCL_COMPILE_DEBUG
+	{
+	    char buf[64];
+	    sprintf(buf, "unexpected operator %s", lexemeStrings[lexeme]);
+	    LogSyntaxError(infoPtr, buf);
+	}
+#else
+	LogSyntaxError(infoPtr, "unexpected operator");
+#endif
+	return TCL_ERROR;
     }
 
     /*
@@ -1420,10 +1462,6 @@ ParsePrimaryExpr(infoPtr)
     }
     parsePtr->term = infoPtr->next;
     return TCL_OK;
-
-    syntaxError:
-    LogSyntaxError(infoPtr);
-    return TCL_ERROR;
 }
 
 /*
@@ -1823,7 +1861,7 @@ GetLexeme(infoPtr)
 		}
 		return TCL_OK;
 	    }
-	    infoPtr->lexeme = UNKNOWN;
+	    infoPtr->lexeme = UNKNOWN_CHAR;
 	    return TCL_OK;
     }
 }
@@ -1903,23 +1941,31 @@ PrependSubExprTokens(op, opBytes, src, srcBytes, firstIndex, infoPtr)
  *
  * Side effects:
  *	Sets the interpreter result to an error message describing the
- *	expression that was being parsed when the error occurred.
+ *	expression that was being parsed when the error occurred, and why
+ *	the parser considers that to be a syntax error at all.
  *
  *----------------------------------------------------------------------
  */
 
 static void
-LogSyntaxError(infoPtr)
+LogSyntaxError(infoPtr, extraInfo)
     ParseInfo *infoPtr;		/* Holds the parse state for the
 				 * expression being parsed. */
+    char *extraInfo;		/* String to provide extra information
+				 * about the syntax error. */
 {
     int numBytes = (infoPtr->lastChar - infoPtr->originalExpr);
     char buffer[100];
 
-    sprintf(buffer, "syntax error in expression \"%.*s\"",
-	    ((numBytes > 60)? 60 : numBytes), infoPtr->originalExpr);
+    if (numBytes > 60) {
+	sprintf(buffer, "syntax error in expression \"%.60s...\"",
+		infoPtr->originalExpr);
+    } else {
+	sprintf(buffer, "syntax error in expression \"%s\"",
+		infoPtr->originalExpr);
+    }
     Tcl_AppendStringsToObj(Tcl_GetObjResult(infoPtr->parsePtr->interp),
-	    buffer, (char *) NULL);
+	    buffer, ": ", extraInfo, (char *) NULL);
     infoPtr->parsePtr->errorType = TCL_PARSE_SYNTAX;
     infoPtr->parsePtr->term = infoPtr->start;
 }
diff --git a/tests/compExpr-old.test b/tests/compExpr-old.test
index f7bb24f..ea54db1 100644
--- a/tests/compExpr-old.test
+++ b/tests/compExpr-old.test
@@ -12,7 +12,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: compExpr-old.test,v 1.5 2000/04/10 17:18:57 ericm Exp $
+# RCS: @(#) $Id: compExpr-old.test,v 1.6 2001/12/04 15:36:29 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -135,11 +135,11 @@ test expr-2.1 {TclCompileExpr: are builtin functions registered?} {
 test expr-2.2 {TclCompileExpr: error in expr} {
     catch {expr 2**3} msg
     set msg
-} {syntax error in expression "2**3"}
+} {syntax error in expression "2**3": unexpected operator}
 test expr-2.3 {TclCompileExpr: junk after legal expr} {
     catch {expr 7*[llength "a b"]foo} msg
     set msg
-} {syntax error in expression "7*2foo"}
+} {syntax error in expression "7*2foo": extra tokens at end of expression}
 test expr-2.4 {TclCompileExpr: numeric expr string rep == formatted int rep} {
     expr {0001}
 } 1
@@ -148,17 +148,17 @@ test expr-3.1 {CompileCondExpr: just lor expr} {expr 3||0} 1
 test expr-3.2 {CompileCondExpr: error in lor expr} {
     catch {expr x||3} msg
     set msg
-} {syntax error in expression "x||3"} 
+} {syntax error in expression "x||3": expected a parenthesis enclosing function arguments} 
 test expr-3.3 {CompileCondExpr: test true arm} {expr 3>2?44:66} 44
 test expr-3.4 {CompileCondExpr: error compiling true arm} {
     catch {expr 3>2?2**3:66} msg
     set msg
-} {syntax error in expression "3>2?2**3:66"}
+} {syntax error in expression "3>2?2**3:66": unexpected operator}
 test expr-3.5 {CompileCondExpr: test false arm} {expr 2>3?44:66} 66
 test expr-3.6 {CompileCondExpr: error compiling false arm} {
     catch {expr 2>3?44:2**3} msg
     set msg
-} {syntax error in expression "2>3?44:2**3"}
+} {syntax error in expression "2>3?44:2**3": unexpected operator}
 test expr-3.7 {CompileCondExpr: long arms & nested cond exprs} {nonPortable} {
     puts "Note: doing test expr-3.7 which can take several minutes to run"
     hello_world
@@ -174,18 +174,18 @@ test expr-4.1 {CompileLorExpr: just land expr} {expr 1.3&&3.3} 1
 test expr-4.2 {CompileLorExpr: error in land expr} {
     catch {expr x&&3} msg
     set msg
-} {syntax error in expression "x&&3"} 
+} {syntax error in expression "x&&3": expected a parenthesis enclosing function arguments} 
 test expr-4.3 {CompileLorExpr: simple lor exprs} {expr 0||1.0} 1
 test expr-4.4 {CompileLorExpr: simple lor exprs} {expr 3.0||0.0} 1
 test expr-4.5 {CompileLorExpr: simple lor exprs} {expr 0||0||1} 1
 test expr-4.6 {CompileLorExpr: error compiling lor arm} {
     catch {expr 2**3||4.0} msg
     set msg
-} {syntax error in expression "2**3||4.0"}
+} {syntax error in expression "2**3||4.0": unexpected operator}
 test expr-4.7 {CompileLorExpr: error compiling lor arm} {
     catch {expr 1.3||2**3} msg
     set msg
-} {syntax error in expression "1.3||2**3"}
+} {syntax error in expression "1.3||2**3": unexpected operator}
 test expr-4.8 {CompileLorExpr: error compiling lor arms} {
     list [catch {expr {"a"||"b"}} msg] $msg
 } {1 {expected boolean value but got "a"}}
@@ -199,7 +199,7 @@ test expr-5.1 {CompileLandExpr: just bitor expr} {expr 7|0x13} 23
 test expr-5.2 {CompileLandExpr: error in bitor expr} {
     catch {expr x|3} msg
     set msg
-} {syntax error in expression "x|3"} 
+} {syntax error in expression "x|3": expected a parenthesis enclosing function arguments} 
 test expr-5.3 {CompileLandExpr: simple land exprs} {expr 0&&1.0} 0
 test expr-5.4 {CompileLandExpr: simple land exprs} {expr 0&&0} 0
 test expr-5.5 {CompileLandExpr: simple land exprs} {expr 3.0&&1.2} 1
@@ -207,11 +207,11 @@ test expr-5.6 {CompileLandExpr: simple land exprs} {expr 1&&1&&2} 1
 test expr-5.7 {CompileLandExpr: error compiling land arm} {
     catch {expr 2**3&&4.0} msg
     set msg
-} {syntax error in expression "2**3&&4.0"}
+} {syntax error in expression "2**3&&4.0": unexpected operator}
 test expr-5.8 {CompileLandExpr: error compiling land arm} {
     catch {expr 1.3&&2**3} msg
     set msg
-} {syntax error in expression "1.3&&2**3"}
+} {syntax error in expression "1.3&&2**3": unexpected operator}
 test expr-5.9 {CompileLandExpr: error compiling land arm} {
     list [catch {expr {"a"&&"b"}} msg] $msg
 } {1 {expected boolean value but got "a"}}
@@ -225,7 +225,7 @@ test expr-6.1 {CompileBitXorExpr: just bitand expr} {expr 7&0x13} 3
 test expr-6.2 {CompileBitXorExpr: error in bitand expr} {
     catch {expr x|3} msg
     set msg
-} {syntax error in expression "x|3"} 
+} {syntax error in expression "x|3": expected a parenthesis enclosing function arguments} 
 test expr-6.3 {CompileBitXorExpr: simple bitxor exprs} {expr 7^0x13} 20
 test expr-6.4 {CompileBitXorExpr: simple bitxor exprs} {expr 3^0x10} 19
 test expr-6.5 {CompileBitXorExpr: simple bitxor exprs} {expr 0^7} 7
@@ -233,11 +233,11 @@ test expr-6.6 {CompileBitXorExpr: simple bitxor exprs} {expr -1^7} -8
 test expr-6.7 {CompileBitXorExpr: error compiling bitxor arm} {
     catch {expr 2**3|6} msg
     set msg
-} {syntax error in expression "2**3|6"}
+} {syntax error in expression "2**3|6": unexpected operator}
 test expr-6.8 {CompileBitXorExpr: error compiling bitxor arm} {
     catch {expr 2^x} msg
     set msg
-} {syntax error in expression "2^x"}
+} {syntax error in expression "2^x": expected a parenthesis enclosing function arguments}
 test expr-6.9 {CompileBitXorExpr: runtime error in bitxor arm} {
     list [catch {expr {24.0^3}} msg] $msg
 } {1 {can't use floating-point value as operand of "^"}}
@@ -252,7 +252,7 @@ test expr-7.4 {CompileBitAndExpr: just equality expr} {expr {"abc" == "abd"}} 0
 test expr-7.5 {CompileBitAndExpr: error in equality expr} {
     catch {expr x==3} msg
     set msg
-} {syntax error in expression "x==3"} 
+} {syntax error in expression "x==3": expected a parenthesis enclosing function arguments} 
 test expr-7.6 {CompileBitAndExpr: simple bitand exprs} {expr 7&0x13} 3
 test expr-7.7 {CompileBitAndExpr: simple bitand exprs} {expr 0xf2&0x53} 82
 test expr-7.8 {CompileBitAndExpr: simple bitand exprs} {expr 3&6} 2
@@ -260,11 +260,11 @@ test expr-7.9 {CompileBitAndExpr: simple bitand exprs} {expr -1&-7} -7
 test expr-7.10 {CompileBitAndExpr: error compiling bitand arm} {
     catch {expr 2**3&6} msg
     set msg
-} {syntax error in expression "2**3&6"}
+} {syntax error in expression "2**3&6": unexpected operator}
 test expr-7.11 {CompileBitAndExpr: error compiling bitand arm} {
     catch {expr 2&x} msg
     set msg
-} {syntax error in expression "2&x"}
+} {syntax error in expression "2&x": expected a parenthesis enclosing function arguments}
 test expr-7.12 {CompileBitAndExpr: runtime error in bitand arm} {
     list [catch {expr {24.0&3}} msg] $msg
 } {1 {can't use floating-point value as operand of "&"}}
@@ -279,7 +279,7 @@ test expr-8.4 {CompileEqualityExpr: just relational expr} {expr {"0y"<"0x12"}} 0
 test expr-8.5 {CompileEqualityExpr: error in relational expr} {
     catch {expr x>3} msg
     set msg
-} {syntax error in expression "x>3"} 
+} {syntax error in expression "x>3": expected a parenthesis enclosing function arguments} 
 test expr-8.6 {CompileEqualityExpr: simple equality exprs} {expr 7==0x13} 0
 test expr-8.7 {CompileEqualityExpr: simple equality exprs} {expr -0xf2!=0x53} 1
 test expr-8.8 {CompileEqualityExpr: simple equality exprs} {expr {"12398712938788234-1298379" != ""}} 1
@@ -287,11 +287,11 @@ test expr-8.9 {CompileEqualityExpr: simple equality exprs} {expr -1!="abc"} 1
 test expr-8.10 {CompileEqualityExpr: error compiling equality arm} {
     catch {expr 2**3==6} msg
     set msg
-} {syntax error in expression "2**3==6"}
+} {syntax error in expression "2**3==6": unexpected operator}
 test expr-8.11 {CompileEqualityExpr: error compiling equality arm} {
     catch {expr 2!=x} msg
     set msg
-} {syntax error in expression "2!=x"}
+} {syntax error in expression "2!=x": expected a parenthesis enclosing function arguments}
 
 
 test expr-9.1 {CompileRelationalExpr: just shift expr} {expr 3<<2} 12
@@ -314,17 +314,17 @@ if {0x80000000 > 0} {
 test expr-9.6 {CompileRelationalExpr: error in shift expr} {
     catch {expr x>>3} msg
     set msg
-} {syntax error in expression "x>>3"} 
+} {syntax error in expression "x>>3": expected a parenthesis enclosing function arguments} 
 test expr-9.7 {CompileRelationalExpr: simple relational exprs} {expr 0xff>=+0x3} 1
 test expr-9.8 {CompileRelationalExpr: simple relational exprs} {expr -0xf2<0x3} 1
 test expr-9.9 {CompileRelationalExpr: error compiling relational arm} {
     catch {expr 2**3>6} msg
     set msg
-} {syntax error in expression "2**3>6"}
+} {syntax error in expression "2**3>6": unexpected operator}
 test expr-9.10 {CompileRelationalExpr: error compiling relational arm} {
     catch {expr 2<x} msg
     set msg
-} {syntax error in expression "2<x"}
+} {syntax error in expression "2<x": expected a parenthesis enclosing function arguments}
 
 test expr-10.1 {CompileShiftExpr: just add expr} {expr 4+-2} 2
 test expr-10.2 {CompileShiftExpr: just add expr} {expr 0xff-2} 253
@@ -333,17 +333,17 @@ test expr-10.4 {CompileShiftExpr: just add expr} {expr 1-0123} -82
 test expr-10.5 {CompileShiftExpr: error in add expr} {
     catch {expr x+3} msg
     set msg
-} {syntax error in expression "x+3"}
+} {syntax error in expression "x+3": expected a parenthesis enclosing function arguments}
 test expr-10.6 {CompileShiftExpr: simple shift exprs} {expr 0xff>>0x3} 31
 test expr-10.7 {CompileShiftExpr: simple shift exprs} {expr -0xf2<<0x3} -1936
 test expr-10.8 {CompileShiftExpr: error compiling shift arm} {
     catch {expr 2**3>>6} msg
     set msg
-} {syntax error in expression "2**3>>6"}
+} {syntax error in expression "2**3>>6": unexpected operator}
 test expr-10.9 {CompileShiftExpr: error compiling shift arm} {
     catch {expr 2<<x} msg
     set msg
-} {syntax error in expression "2<<x"}
+} {syntax error in expression "2<<x": expected a parenthesis enclosing function arguments}
 test expr-10.10 {CompileShiftExpr: runtime error} {
     list [catch {expr {24.0>>43}} msg] $msg
 } {1 {can't use floating-point value as operand of ">>"}}
@@ -358,17 +358,17 @@ test expr-11.4 {CompileAddExpr: just multiply expr} {expr 7891%0123} 6
 test expr-11.5 {CompileAddExpr: error in multiply expr} {
     catch {expr x*3} msg
     set msg
-} {syntax error in expression "x*3"}
+} {syntax error in expression "x*3": expected a parenthesis enclosing function arguments}
 test expr-11.6 {CompileAddExpr: simple add exprs} {expr 0xff++0x3} 258
 test expr-11.7 {CompileAddExpr: simple add exprs} {expr -0xf2--0x3} -239
 test expr-11.8 {CompileAddExpr: error compiling add arm} {
     catch {expr 2**3+6} msg
     set msg
-} {syntax error in expression "2**3+6"}
+} {syntax error in expression "2**3+6": unexpected operator}
 test expr-11.9 {CompileAddExpr: error compiling add arm} {
     catch {expr 2-x} msg
     set msg
-} {syntax error in expression "2-x"}
+} {syntax error in expression "2-x": expected a parenthesis enclosing function arguments}
 test expr-11.10 {CompileAddExpr: runtime error} {
     list [catch {expr {24.0+"xx"}} msg] $msg
 } {1 {can't use non-numeric string as operand of "+"}}
@@ -389,17 +389,17 @@ test expr-12.4 {CompileMultiplyExpr: just unary expr} {expr ~0xff00ff} -16711936
 test expr-12.5 {CompileMultiplyExpr: error in unary expr} {
     catch {expr ~x} msg
     set msg
-} {syntax error in expression "~x"}
+} {syntax error in expression "~x": expected a parenthesis enclosing function arguments}
 test expr-12.6 {CompileMultiplyExpr: simple multiply exprs} {expr 0xff*0x3} 765
 test expr-12.7 {CompileMultiplyExpr: simple multiply exprs} {expr -0xf2%-0x3} -2
 test expr-12.8 {CompileMultiplyExpr: error compiling multiply arm} {
     catch {expr 2*3%%6} msg
     set msg
-} {syntax error in expression "2*3%%6"}
+} {syntax error in expression "2*3%%6": unexpected operator}
 test expr-12.9 {CompileMultiplyExpr: error compiling multiply arm} {
     catch {expr 2*x} msg
     set msg
-} {syntax error in expression "2*x"}
+} {syntax error in expression "2*x": expected a parenthesis enclosing function arguments}
 test expr-12.10 {CompileMultiplyExpr: runtime error} {
     list [catch {expr {24.0*"xx"}} msg] $msg
 } {1 {can't use non-numeric string as operand of "*"}}
@@ -417,11 +417,11 @@ test expr-13.7 {CompileUnaryExpr: unary exprs} {expr !0xef} 0
 test expr-13.8 {CompileUnaryExpr: error compiling unary expr} {
     catch {expr ~x} msg
     set msg
-} {syntax error in expression "~x"}
+} {syntax error in expression "~x": expected a parenthesis enclosing function arguments}
 test expr-13.9 {CompileUnaryExpr: error compiling unary expr} {
     catch {expr !1.x} msg
     set msg
-} {syntax error in expression "!1.x"}
+} {syntax error in expression "!1.x": extra tokens at end of expression}
 test expr-13.10 {CompileUnaryExpr: runtime error} {
     list [catch {expr {~"xx"}} msg] $msg
 } {1 {can't use non-numeric string as operand of "~"}}
@@ -533,7 +533,7 @@ test expr-14.26 {CompilePrimaryExpr: math function primary} {
 test expr-14.27 {CompilePrimaryExpr: error in math function primary} {
     catch {expr sinh::(2.0)} msg
     set errorInfo
-} {syntax error in expression "sinh::(2.0)"
+} {syntax error in expression "sinh::(2.0)": expected a parenthesis enclosing function arguments
     while compiling
 "expr sinh::(2.0)"}
 test expr-14.28 {CompilePrimaryExpr: subexpression primary} {
@@ -550,7 +550,7 @@ test expr-14.29 {CompilePrimaryExpr: error in subexpression primary} {
 test expr-14.30 {CompilePrimaryExpr: missing paren in subexpression primary} {
     catch {expr 2+(3*(4+5)} msg
     set errorInfo
-} {syntax error in expression "2+(3*(4+5)"
+} {syntax error in expression "2+(3*(4+5)": looking for close parenthesis
     while compiling
 "expr 2+(3*(4+5)"}
 test expr-14.31 {CompilePrimaryExpr: just var ref in subexpression primary} {
@@ -560,14 +560,14 @@ test expr-14.31 {CompilePrimaryExpr: just var ref in subexpression primary} {
 test expr-14.32 {CompilePrimaryExpr: unexpected token} {
     catch {expr @} msg
     set errorInfo
-} {syntax error in expression "@"
+} {syntax error in expression "@": character not legal in expressions
     while compiling
 "expr @"}
 
 test expr-15.1 {CompileMathFuncCall: missing parenthesis} {
     catch {expr sinh2.0)} msg
     set errorInfo
-} {syntax error in expression "sinh2.0)"
+} {syntax error in expression "sinh2.0)": expected a parenthesis enclosing function arguments
     while compiling
 "expr sinh2.0)"}
 test expr-15.2 {CompileMathFuncCall: unknown math function} {
@@ -597,7 +597,7 @@ test expr-15.5 {CompileMathFuncCall: too few arguments} {
 test expr-15.6 {CompileMathFuncCall: missing ')'} {
     catch {expr sin(1} msg
     set errorInfo
-} {syntax error in expression "sin(1"
+} {syntax error in expression "sin(1": missing close parenthesis at end of function call
     while compiling
 "expr sin(1"}
 if $gotT1 {
@@ -676,15 +676,3 @@ if {[info exists a]} {
 }
 ::tcltest::cleanupTests
 return
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/tests/compExpr.test b/tests/compExpr.test
index fed14c9..54e5de0 100644
--- a/tests/compExpr.test
+++ b/tests/compExpr.test
@@ -8,7 +8,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: compExpr.test,v 1.4 2000/04/10 17:18:58 ericm Exp $
+# RCS: @(#) $Id: compExpr.test,v 1.5 2001/12/04 15:36:29 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -30,7 +30,7 @@ test compExpr-1.1 {TclCompileExpr procedure, successful expr parse and compile}
 } 3
 test compExpr-1.2 {TclCompileExpr procedure, error parsing expr} {
     list [catch {expr 1+2+} msg] $msg
-} {1 {syntax error in expression "1+2+"}}
+} {1 {syntax error in expression "1+2+": premature end of expression}}
 test compExpr-1.3 {TclCompileExpr procedure, error compiling expr} {
     list [catch {expr "foo(123)"} msg] $msg
 } {1 {unknown math function "foo"}}
@@ -46,7 +46,7 @@ test compExpr-2.1 {CompileSubExpr procedure, TCL_TOKEN_WORD parse token} {
 } 0
 test compExpr-2.2 {CompileSubExpr procedure, error compiling TCL_TOKEN_WORD parse token} {
     list [catch {expr {"00[expr 1+]" + 17}} msg] $msg
-} {1 {syntax error in expression "1+"}}
+} {1 {syntax error in expression "1+": premature end of expression}}
 test compExpr-2.3 {CompileSubExpr procedure, TCL_TOKEN_TEXT parse token} {
     expr {{12345}}
 } 12345
@@ -89,7 +89,7 @@ test compExpr-2.13 {CompileSubExpr procedure, error in TCL_TOKEN_SUB_EXPR parse
     catch {unset a}
     set a 15
     list [catch {expr {27 || "$a[expr 1+]00"}} msg] $msg
-} {1 {syntax error in expression "1+"}}
+} {1 {syntax error in expression "1+": premature end of expression}}
 test compExpr-2.14 {CompileSubExpr procedure, TCL_TOKEN_OPERATOR token, op found} {
     expr {5*6}
 } 30
@@ -157,16 +157,16 @@ test compExpr-2.34 {CompileSubExpr procedure, TCL_TOKEN_OPERATOR token, special
 } 2
 test compExpr-2.35 {CompileSubExpr procedure, TCL_TOKEN_OPERATOR token, error in special operator} {
     list [catch {expr {+[expr 1+]}} msg] $msg
-} {1 {syntax error in expression "1+"}}
+} {1 {syntax error in expression "1+": premature end of expression}}
 test compExpr-2.36 {CompileSubExpr procedure, TCL_TOKEN_OPERATOR token, special operator} {
     expr {4+2}
 } 6
 test compExpr-2.37 {CompileSubExpr procedure, TCL_TOKEN_OPERATOR token, error in special operator} {
     list [catch {expr {[expr 1+]+5}} msg] $msg
-} {1 {syntax error in expression "1+"}}
+} {1 {syntax error in expression "1+": premature end of expression}}
 test compExpr-2.38 {CompileSubExpr procedure, TCL_TOKEN_OPERATOR token, error in special operator} {
     list [catch {expr {5+[expr 1+]}} msg] $msg
-} {1 {syntax error in expression "1+"}}
+} {1 {syntax error in expression "1+": premature end of expression}}
 test compExpr-2.39 {CompileSubExpr procedure, TCL_TOKEN_OPERATOR token, special operator} {
     expr {-2}
 } -2
@@ -182,7 +182,7 @@ test compExpr-2.42 {CompileSubExpr procedure, error in TCL_TOKEN_SUB_EXPR parse
     catch {unset a}
     set a 15
     list [catch {expr {27 || "$a[expr 1+]00"}} msg] $msg
-} {1 {syntax error in expression "1+"}}
+} {1 {syntax error in expression "1+": premature end of expression}}
 test compExpr-2.43 {CompileSubExpr procedure, TCL_TOKEN_OPERATOR token, special operator} {
     catch {unset a}
     set a false
@@ -197,7 +197,7 @@ test compExpr-2.45 {CompileSubExpr procedure, error in TCL_TOKEN_SUB_EXPR parse
     catch {unset a}
     set a 15
     list [catch {expr {1? 54 : "$a[expr 1+]00"}} msg] $msg
-} {1 {syntax error in expression "1+"}}
+} {1 {syntax error in expression "1+": premature end of expression}}
 
 test compExpr-3.1 {CompileLandOrLorExpr procedure, numeric 1st operand} {
     catch {unset a}
@@ -211,7 +211,7 @@ test compExpr-3.2 {CompileLandOrLorExpr procedure, nonnumeric 1st operand} {
 } 0
 test compExpr-3.3 {CompileSubExpr procedure, error in 1st operand} {
     list [catch {expr {[expr *2]||0}} msg] $msg
-} {1 {syntax error in expression "*2"}}
+} {1 {syntax error in expression "*2": unexpected operator}}
 test compExpr-3.4 {CompileLandOrLorExpr procedure, result is 1 or 0} {
     catch {unset a}
     catch {unset b}
@@ -241,7 +241,7 @@ test compExpr-3.8 {CompileLandOrLorExpr procedure, nonnumeric 2nd operand} {
 } 0
 test compExpr-3.9 {CompileLandOrLorExpr procedure, error in 2nd operand} {
     list [catch {expr {0||[expr %2]}} msg] $msg
-} {1 {syntax error in expression "%2"}}
+} {1 {syntax error in expression "%2": unexpected operator}}
 test compExpr-3.10 {CompileLandOrLorExpr procedure, long lor/land arm} {
     set a "abcdefghijkl"
     set i 7
@@ -260,7 +260,7 @@ test compExpr-4.2 {CompileCondExpr procedure, complex test, convert to numeric}
 } -54
 test compExpr-4.3 {CompileCondExpr procedure, error in test} {
     list [catch {expr {[expr *2]? +1 : -1}} msg] $msg
-} {1 {syntax error in expression "*2"}}
+} {1 {syntax error in expression "*2": unexpected operator}}
 test compExpr-4.4 {CompileCondExpr procedure, simple "true" clause} {
     catch {unset a}
     set a no
@@ -273,7 +273,7 @@ test compExpr-4.5 {CompileCondExpr procedure, convert "true" clause to numeric}
 } no
 test compExpr-4.6 {CompileCondExpr procedure, error in "true" clause} {
     list [catch {expr {1? [expr *2] : -127}} msg] $msg
-} {1 {syntax error in expression "*2"}}
+} {1 {syntax error in expression "*2": unexpected operator}}
 test compExpr-4.7 {CompileCondExpr procedure, simple "false" clause} {
     catch {unset a}
     set a no
@@ -286,7 +286,7 @@ test compExpr-4.8 {CompileCondExpr procedure, convert "false" clause to numeric}
 } 83
 test compExpr-4.9 {CompileCondExpr procedure, error in "false" clause} {
     list [catch {expr {1? 15 : [expr *2]}} msg] $msg
-} {1 {syntax error in expression "*2"}}
+} {1 {syntax error in expression "*2": unexpected operator}}
 
 test compExpr-5.1 {CompileMathFuncCall procedure, math function found} {
     format %.6g [expr atan2(1.0, 2.0)]
@@ -310,7 +310,7 @@ test compExpr-5.6 {CompileMathFuncCall procedure, complex argument} {
 } 9.97424
 test compExpr-5.7 {CompileMathFuncCall procedure, error in argument} {
     list [catch {expr {sinh(2.*)}} msg] $msg
-} {1 {syntax error in expression "sinh(2.*)"}}
+} {1 {syntax error in expression "sinh(2.*)": unexpected operator}}
 test compExpr-5.8 {CompileMathFuncCall procedure, too many arguments} {
     list [catch {expr {sinh(2.0, 3.0)}} msg] $msg
 } {1 {too many arguments for math function}}
@@ -320,22 +320,10 @@ test compExpr-5.9 {CompileMathFuncCall procedure, too many arguments} {
 
 test compExpr-6.1 {LogSyntaxError procedure, error in expr longer than 60 chars} {
     list [catch {expr {(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)/} -1 foo 3} msg] $msg
-} {1 {syntax error in expression "(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+012"}}
+} {1 {syntax error in expression "(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+012...": extra tokens at end of expression}}
 
 # cleanup
 catch {unset a}
 catch {unset b}
 ::tcltest::cleanupTests
 return
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/tests/compile.test b/tests/compile.test
index 5e77875..72024b8 100644
--- a/tests/compile.test
+++ b/tests/compile.test
@@ -11,7 +11,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: compile.test,v 1.15 2001/11/23 01:25:58 das Exp $
+# RCS: @(#) $Id: compile.test,v 1.16 2001/12/04 15:36:29 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -230,11 +230,11 @@ test compile-11.6 {Tcl_Append*: ensure Tcl_ResetResult is used properly} {
 test compile-11.7 {Tcl_Append*: ensure Tcl_ResetResult is used properly} {
     proc p {} { set r [list foobar] ; expr !a }
     list [catch {p} msg] $msg
-} {1 {syntax error in expression "!a"}}
+} {1 {syntax error in expression "!a": expected a parenthesis enclosing function arguments}}
 test compile-11.8 {Tcl_Append*: ensure Tcl_ResetResult is used properly} {
     proc p {} { set r [list foobar] ; expr {!a} }
     list [catch {p} msg] $msg
-} {1 {syntax error in expression "!a"}}
+} {1 {syntax error in expression "!a": expected a parenthesis enclosing function arguments}}
 test compile-11.9 {Tcl_Append*: ensure Tcl_ResetResult is used properly} {
     proc p {} { set r [list foobar] ; llength "\{" }
     list [catch {p} msg] $msg
diff --git a/tests/expr-old.test b/tests/expr-old.test
index f0efffb..368ec44 100644
--- a/tests/expr-old.test
+++ b/tests/expr-old.test
@@ -13,7 +13,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: expr-old.test,v 1.11 2001/04/09 09:45:01 dkf Exp $
+# RCS: @(#) $Id: expr-old.test,v 1.12 2001/12/04 15:36:29 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -440,10 +440,10 @@ test expr-old-26.1 {error conditions} {
 } {1 {can't use non-numeric string as operand of "+"}}
 test expr-old-26.2 {error conditions} {
     list [catch {expr 2+4*} msg] $msg
-} {1 {syntax error in expression "2+4*"}}
+} {1 {syntax error in expression "2+4*": premature end of expression}}
 test expr-old-26.3 {error conditions} {
     list [catch {expr 2+4*(} msg] $msg
-} {1 {syntax error in expression "2+4*("}}
+} {1 {syntax error in expression "2+4*(": premature end of expression}}
 catch {unset _non_existent_}
 test expr-old-26.4 {error conditions} {
     list [catch {expr 2+$_non_existent_} msg] $msg
@@ -457,7 +457,7 @@ test expr-old-26.6 {error conditions} {
 } {1 {can't use non-numeric string as operand of "+"}}
 test expr-old-26.7 {error conditions} {
     list [catch {expr {2+(4}} msg] $msg
-} {1 {syntax error in expression "2+(4"}}
+} {1 {syntax error in expression "2+(4": looking for close parenthesis}}
 test expr-old-26.8 {error conditions} {
     list [catch {expr 2/0} msg] $msg $errorCode
 } {1 {divide by zero} {ARITH DIVZERO {divide by zero}}}
@@ -469,31 +469,31 @@ test expr-old-26.10 {error conditions} {
 } {1 {divide by zero} {ARITH DIVZERO {divide by zero}}}
 test expr-old-26.11 {error conditions} {
     list [catch {expr 2#} msg] $msg
-} {1 {syntax error in expression "2#"}}
+} {1 {syntax error in expression "2#": extra tokens at end of expression}}
 test expr-old-26.12 {error conditions} {
     list [catch {expr a.b} msg] $msg
-} {1 {syntax error in expression "a.b"}}
+} {1 {syntax error in expression "a.b": expected a parenthesis enclosing function arguments}}
 test expr-old-26.13 {error conditions} {
     list [catch {expr {"a"/"b"}} msg] $msg
 } {1 {can't use non-numeric string as operand of "/"}}
 test expr-old-26.14 {error conditions} {
     list [catch {expr 2:3} msg] $msg
-} {1 {syntax error in expression "2:3"}}
+} {1 {syntax error in expression "2:3": extra tokens at end of expression}}
 test expr-old-26.15 {error conditions} {
     list [catch {expr a@b} msg] $msg
-} {1 {syntax error in expression "a@b"}}
+} {1 {syntax error in expression "a@b": expected a parenthesis enclosing function arguments}}
 test expr-old-26.16 {error conditions} {
     list [catch {expr a[b} msg] $msg
 } {1 {missing close-bracket}}
 test expr-old-26.17 {error conditions} {
     list [catch {expr a`b} msg] $msg
-} {1 {syntax error in expression "a`b"}}
+} {1 {syntax error in expression "a`b": expected a parenthesis enclosing function arguments}}
 test expr-old-26.18 {error conditions} {
     list [catch {expr \"a\"\{b} msg] $msg
-} {1 syntax\ error\ in\ expression\ \"\"a\"\{b\"}
+} {1 syntax\ error\ in\ expression\ \"\"a\"\{b\":\ extra\ tokens\ at\ end\ of\ expression}
 test expr-old-26.19 {error conditions} {
     list [catch {expr a} msg] $msg
-} {1 {syntax error in expression "a"}}
+} {1 {syntax error in expression "a": expected a parenthesis enclosing function arguments}}
 test expr-old-26.20 {error conditions} {
     list [catch expr msg] $msg
 } {1 {wrong # args: should be "expr arg ?arg ...?"}}
@@ -543,10 +543,10 @@ test expr-old-27.10 {cancelled evaluation} {
 } {0 0}
 test expr-old-27.11 {cancelled evaluation} {
     list [catch {expr {0 && foo}} msg] $msg
-} {1 {syntax error in expression "0 && foo"}}
+} {1 {syntax error in expression "0 && foo": expected a parenthesis enclosing function arguments}}
 test expr-old-27.12 {cancelled evaluation} {
     list [catch {expr {0 ? 1 : foo}} msg] $msg
-} {1 {syntax error in expression "0 ? 1 : foo"}}
+} {1 {syntax error in expression "0 ? 1 : foo": expected a parenthesis enclosing function arguments}}
 
 # Tcl_ExprBool as used in "if" statements
 
@@ -646,13 +646,13 @@ test expr-old-31.1 {multiple arguments to expr command} {
 } 73
 test expr-old-31.2 {multiple arguments to expr command} {
     list [catch {expr 2 + (3 + 4} msg] $msg
-} {1 {syntax error in expression "2 + (3 + 4"}}
+} {1 {syntax error in expression "2 + (3 + 4": looking for close parenthesis}}
 test expr-old-31.3 {multiple arguments to expr command} {
     list [catch {expr 2 + 3 +} msg] $msg
-} {1 {syntax error in expression "2 + 3 +"}}
+} {1 {syntax error in expression "2 + 3 +": premature end of expression}}
 test expr-old-31.4 {multiple arguments to expr command} {
     list [catch {expr 2 + 3 )} msg] $msg
-} {1 {syntax error in expression "2 + 3 )"}}
+} {1 {syntax error in expression "2 + 3 )": extra tokens at end of expression}}
 
 # Math functions
 
@@ -850,19 +850,19 @@ test expr-old-34.1 {errors in math functions} {
 } {1 {unknown math function "func_2"}}
 test expr-old-34.2 {errors in math functions} {
     list [catch {expr func|(1.0)} msg] $msg
-} {1 {syntax error in expression "func|(1.0)"}}
+} {1 {syntax error in expression "func|(1.0)": expected a parenthesis enclosing function arguments}}
 test expr-old-34.3 {errors in math functions} {
     list [catch {expr {hypot("a b", 2.0)}} msg] $msg
 } {1 {argument to math function didn't have numeric value}}
 test expr-old-34.4 {errors in math functions} {
     list [catch {expr hypot(1.0 2.0)} msg] $msg
-} {1 {syntax error in expression "hypot(1.0 2.0)"}}
+} {1 {syntax error in expression "hypot(1.0 2.0)": missing close parenthesis at end of function call}}
 test expr-old-34.5 {errors in math functions} {
     list [catch {expr hypot(1.0, 2.0} msg] $msg
-} {1 {syntax error in expression "hypot(1.0, 2.0"}}
+} {1 {syntax error in expression "hypot(1.0, 2.0": missing close parenthesis at end of function call}}
 test expr-old-34.6 {errors in math functions} {
     list [catch {expr hypot(1.0 ,} msg] $msg
-} {1 {syntax error in expression "hypot(1.0 ,"}}
+} {1 {syntax error in expression "hypot(1.0 ,": premature end of expression}}
 test expr-old-34.7 {errors in math functions} {
     list [catch {expr hypot(1.0)} msg] $msg
 } {1 {too few arguments for math function}}
@@ -950,7 +950,7 @@ if {[info commands testexprstring] == {}} {
 test expr-old-38.1 {Verify Tcl_ExprString's basic operation} {
     list [testexprstring "1+4"] [testexprstring "2*3+4.2"] \
         [catch {testexprstring "1+"} msg] $msg
-} {5 10.2 1 {syntax error in expression "1+"}}
+} {5 10.2 1 {syntax error in expression "1+": premature end of expression}}
 }
 
 # Special test for Pentium arithmetic bug of 1994:
@@ -965,15 +965,3 @@ if {(4195835.0 - (4195835.0/3145727.0)*3145727.0) == 256.0} {
 # cleanup
 ::tcltest::cleanupTests
 return
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/tests/expr.test b/tests/expr.test
index b4487e3..2233e53 100644
--- a/tests/expr.test
+++ b/tests/expr.test
@@ -10,7 +10,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: expr.test,v 1.12 2001/04/09 09:48:41 dkf Exp $
+# RCS: @(#) $Id: expr.test,v 1.13 2001/12/04 15:36:29 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -138,11 +138,11 @@ test expr-2.1 {TclCompileExpr: are builtin functions registered?} {
 test expr-2.2 {TclCompileExpr: error in expr} {
     catch {expr 2**3} msg
     set msg
-} {syntax error in expression "2**3"}
+} {syntax error in expression "2**3": unexpected operator}
 test expr-2.3 {TclCompileExpr: junk after legal expr} {
     catch {expr 7*[llength "a b"]foo} msg
     set msg
-} {syntax error in expression "7*2foo"}
+} {syntax error in expression "7*2foo": extra tokens at end of expression}
 test expr-2.4 {TclCompileExpr: numeric expr string rep == formatted int rep} {
     expr {0001}
 } 1
@@ -151,17 +151,17 @@ test expr-3.1 {CompileCondExpr: just lor expr} {expr 3||0} 1
 test expr-3.2 {CompileCondExpr: error in lor expr} {
     catch {expr x||3} msg
     set msg
-} {syntax error in expression "x||3"} 
+} {syntax error in expression "x||3": expected a parenthesis enclosing function arguments}
 test expr-3.3 {CompileCondExpr: test true arm} {expr 3>2?44:66} 44
 test expr-3.4 {CompileCondExpr: error compiling true arm} {
     catch {expr 3>2?2**3:66} msg
     set msg
-} {syntax error in expression "3>2?2**3:66"}
+} {syntax error in expression "3>2?2**3:66": unexpected operator}
 test expr-3.5 {CompileCondExpr: test false arm} {expr 2>3?44:66} 66
 test expr-3.6 {CompileCondExpr: error compiling false arm} {
     catch {expr 2>3?44:2**3} msg
     set msg
-} {syntax error in expression "2>3?44:2**3"}
+} {syntax error in expression "2>3?44:2**3": unexpected operator}
 test expr-3.7 {CompileCondExpr: long arms & nested cond exprs} {unixOnly nonPortable} {
     puts "Note: doing test expr-3.7 which can take several minutes to run"
     hello_world
@@ -177,18 +177,18 @@ test expr-4.1 {CompileLorExpr: just land expr} {expr 1.3&&3.3} 1
 test expr-4.2 {CompileLorExpr: error in land expr} {
     catch {expr x&&3} msg
     set msg
-} {syntax error in expression "x&&3"} 
+} {syntax error in expression "x&&3": expected a parenthesis enclosing function arguments} 
 test expr-4.3 {CompileLorExpr: simple lor exprs} {expr 0||1.0} 1
 test expr-4.4 {CompileLorExpr: simple lor exprs} {expr 3.0||0.0} 1
 test expr-4.5 {CompileLorExpr: simple lor exprs} {expr 0||0||1} 1
 test expr-4.6 {CompileLorExpr: error compiling lor arm} {
     catch {expr 2**3||4.0} msg
     set msg
-} {syntax error in expression "2**3||4.0"}
+} {syntax error in expression "2**3||4.0": unexpected operator}
 test expr-4.7 {CompileLorExpr: error compiling lor arm} {
     catch {expr 1.3||2**3} msg
     set msg
-} {syntax error in expression "1.3||2**3"}
+} {syntax error in expression "1.3||2**3": unexpected operator}
 test expr-4.8 {CompileLorExpr: error compiling lor arms} {
     list [catch {expr {"a"||"b"}} msg] $msg
 } {1 {expected boolean value but got "a"}}
@@ -202,7 +202,7 @@ test expr-5.1 {CompileLandExpr: just bitor expr} {expr 7|0x13} 23
 test expr-5.2 {CompileLandExpr: error in bitor expr} {
     catch {expr x|3} msg
     set msg
-} {syntax error in expression "x|3"} 
+} {syntax error in expression "x|3": expected a parenthesis enclosing function arguments} 
 test expr-5.3 {CompileLandExpr: simple land exprs} {expr 0&&1.0} 0
 test expr-5.4 {CompileLandExpr: simple land exprs} {expr 0&&0} 0
 test expr-5.5 {CompileLandExpr: simple land exprs} {expr 3.0&&1.2} 1
@@ -210,11 +210,11 @@ test expr-5.6 {CompileLandExpr: simple land exprs} {expr 1&&1&&2} 1
 test expr-5.7 {CompileLandExpr: error compiling land arm} {
     catch {expr 2**3&&4.0} msg
     set msg
-} {syntax error in expression "2**3&&4.0"}
+} {syntax error in expression "2**3&&4.0": unexpected operator}
 test expr-5.8 {CompileLandExpr: error compiling land arm} {
     catch {expr 1.3&&2**3} msg
     set msg
-} {syntax error in expression "1.3&&2**3"}
+} {syntax error in expression "1.3&&2**3": unexpected operator}
 test expr-5.9 {CompileLandExpr: error compiling land arm} {
     list [catch {expr {"a"&&"b"}} msg] $msg
 } {1 {expected boolean value but got "a"}}
@@ -228,7 +228,7 @@ test expr-6.1 {CompileBitXorExpr: just bitand expr} {expr 7&0x13} 3
 test expr-6.2 {CompileBitXorExpr: error in bitand expr} {
     catch {expr x|3} msg
     set msg
-} {syntax error in expression "x|3"} 
+} {syntax error in expression "x|3": expected a parenthesis enclosing function arguments} 
 test expr-6.3 {CompileBitXorExpr: simple bitxor exprs} {expr 7^0x13} 20
 test expr-6.4 {CompileBitXorExpr: simple bitxor exprs} {expr 3^0x10} 19
 test expr-6.5 {CompileBitXorExpr: simple bitxor exprs} {expr 0^7} 7
@@ -236,11 +236,11 @@ test expr-6.6 {CompileBitXorExpr: simple bitxor exprs} {expr -1^7} -8
 test expr-6.7 {CompileBitXorExpr: error compiling bitxor arm} {
     catch {expr 2**3|6} msg
     set msg
-} {syntax error in expression "2**3|6"}
+} {syntax error in expression "2**3|6": unexpected operator}
 test expr-6.8 {CompileBitXorExpr: error compiling bitxor arm} {
     catch {expr 2^x} msg
     set msg
-} {syntax error in expression "2^x"}
+} {syntax error in expression "2^x": expected a parenthesis enclosing function arguments}
 test expr-6.9 {CompileBitXorExpr: runtime error in bitxor arm} {
     list [catch {expr {24.0^3}} msg] $msg
 } {1 {can't use floating-point value as operand of "^"}}
@@ -255,7 +255,7 @@ test expr-7.4 {CompileBitAndExpr: just equality expr} {expr {"abc" == "abd"}} 0
 test expr-7.5 {CompileBitAndExpr: error in equality expr} {
     catch {expr x==3} msg
     set msg
-} {syntax error in expression "x==3"} 
+} {syntax error in expression "x==3": expected a parenthesis enclosing function arguments}
 test expr-7.6 {CompileBitAndExpr: simple bitand exprs} {expr 7&0x13} 3
 test expr-7.7 {CompileBitAndExpr: simple bitand exprs} {expr 0xf2&0x53} 82
 test expr-7.8 {CompileBitAndExpr: simple bitand exprs} {expr 3&6} 2
@@ -263,11 +263,11 @@ test expr-7.9 {CompileBitAndExpr: simple bitand exprs} {expr -1&-7} -7
 test expr-7.10 {CompileBitAndExpr: error compiling bitand arm} {
     catch {expr 2**3&6} msg
     set msg
-} {syntax error in expression "2**3&6"}
+} {syntax error in expression "2**3&6": unexpected operator}
 test expr-7.11 {CompileBitAndExpr: error compiling bitand arm} {
     catch {expr 2&x} msg
     set msg
-} {syntax error in expression "2&x"}
+} {syntax error in expression "2&x": expected a parenthesis enclosing function arguments}
 test expr-7.12 {CompileBitAndExpr: runtime error in bitand arm} {
     list [catch {expr {24.0&3}} msg] $msg
 } {1 {can't use floating-point value as operand of "&"}}
@@ -279,7 +279,7 @@ test expr-7.18 {CompileBitAndExpr: equality expr} {expr {"abc" eq "abd"}} 0
 test expr-7.20 {CompileBitAndExpr: error in equality expr} {
     catch {expr xne3} msg
     set msg
-} {syntax error in expression "xne3"} 
+} {syntax error in expression "xne3": expected a parenthesis enclosing function arguments} 
 
 test expr-8.1 {CompileEqualityExpr: just relational expr} {expr 3>=2} 1
 test expr-8.2 {CompileEqualityExpr: just relational expr} {expr 2<=2.1} 1
@@ -288,7 +288,7 @@ test expr-8.4 {CompileEqualityExpr: just relational expr} {expr {"0y"<"0x12"}} 0
 test expr-8.5 {CompileEqualityExpr: error in relational expr} {
     catch {expr x>3} msg
     set msg
-} {syntax error in expression "x>3"} 
+} {syntax error in expression "x>3": expected a parenthesis enclosing function arguments}
 test expr-8.6 {CompileEqualityExpr: simple equality exprs} {expr 7==0x13} 0
 test expr-8.7 {CompileEqualityExpr: simple equality exprs} {expr -0xf2!=0x53} 1
 test expr-8.8 {CompileEqualityExpr: simple equality exprs} {expr {"12398712938788234-1298379" != ""}} 1
@@ -296,11 +296,11 @@ test expr-8.9 {CompileEqualityExpr: simple equality exprs} {expr -1!="abc"} 1
 test expr-8.10 {CompileEqualityExpr: error compiling equality arm} {
     catch {expr 2**3==6} msg
     set msg
-} {syntax error in expression "2**3==6"}
+} {syntax error in expression "2**3==6": unexpected operator}
 test expr-8.11 {CompileEqualityExpr: error compiling equality arm} {
     catch {expr 2!=x} msg
     set msg
-} {syntax error in expression "2!=x"}
+} {syntax error in expression "2!=x": expected a parenthesis enclosing function arguments}
 test expr-8.14 {CompileBitAndExpr: equality expr} {expr {"a"eq"a"}} 1
 test expr-8.14 {CompileBitAndExpr: equality expr} {expr {"\374" eq "ü"}} 1
 test expr-8.14 {CompileBitAndExpr: equality expr} {expr 3eq2} 0
@@ -310,14 +310,14 @@ test expr-8.17 {CompileBitAndExpr: equality expr} {expr 01eq1} 0
 test expr-8.18 {CompileBitAndExpr: equality expr} {expr {"abc" eq "abd"}} 0
 test expr-8.19 {CompileBitAndExpr: equality expr} {expr {"abc" ne "abd"}} 1
 test expr-8.20 {CompileBitAndExpr: error in equality expr} {
-    catch {expr xne3} msg
+    catch {expr x ne3} msg
     set msg
-} {syntax error in expression "xne3"} 
-test expr-8.20 {CompileBitAndExpr: error in equality expr} {
+} {syntax error in expression "x ne3": expected a parenthesis enclosing function arguments} 
+test expr-8.21 {CompileBitAndExpr: error in equality expr} {
     # These should be ""ed to avoid the error
     catch {expr a eq b} msg
     set msg
-} {syntax error in expression "a eq b"} 
+} {syntax error in expression "a eq b": expected a parenthesis enclosing function arguments}
 
 test expr-9.1 {CompileRelationalExpr: just shift expr} {expr 3<<2} 12
 test expr-9.2 {CompileRelationalExpr: just shift expr} {expr 0xff>>2} 63
@@ -339,17 +339,17 @@ if {0x80000000 > 0} {
 test expr-9.6 {CompileRelationalExpr: error in shift expr} {
     catch {expr x>>3} msg
     set msg
-} {syntax error in expression "x>>3"} 
+} {syntax error in expression "x>>3": expected a parenthesis enclosing function arguments}
 test expr-9.7 {CompileRelationalExpr: simple relational exprs} {expr 0xff>=+0x3} 1
 test expr-9.8 {CompileRelationalExpr: simple relational exprs} {expr -0xf2<0x3} 1
 test expr-9.9 {CompileRelationalExpr: error compiling relational arm} {
     catch {expr 2**3>6} msg
     set msg
-} {syntax error in expression "2**3>6"}
+} {syntax error in expression "2**3>6": unexpected operator}
 test expr-9.10 {CompileRelationalExpr: error compiling relational arm} {
     catch {expr 2<x} msg
     set msg
-} {syntax error in expression "2<x"}
+} {syntax error in expression "2<x": expected a parenthesis enclosing function arguments}
 
 test expr-10.1 {CompileShiftExpr: just add expr} {expr 4+-2} 2
 test expr-10.2 {CompileShiftExpr: just add expr} {expr 0xff-2} 253
@@ -358,17 +358,17 @@ test expr-10.4 {CompileShiftExpr: just add expr} {expr 1-0123} -82
 test expr-10.5 {CompileShiftExpr: error in add expr} {
     catch {expr x+3} msg
     set msg
-} {syntax error in expression "x+3"}
+} {syntax error in expression "x+3": expected a parenthesis enclosing function arguments}
 test expr-10.6 {CompileShiftExpr: simple shift exprs} {expr 0xff>>0x3} 31
 test expr-10.7 {CompileShiftExpr: simple shift exprs} {expr -0xf2<<0x3} -1936
 test expr-10.8 {CompileShiftExpr: error compiling shift arm} {
     catch {expr 2**3>>6} msg
     set msg
-} {syntax error in expression "2**3>>6"}
+} {syntax error in expression "2**3>>6": unexpected operator}
 test expr-10.9 {CompileShiftExpr: error compiling shift arm} {
     catch {expr 2<<x} msg
     set msg
-} {syntax error in expression "2<<x"}
+} {syntax error in expression "2<<x": expected a parenthesis enclosing function arguments}
 test expr-10.10 {CompileShiftExpr: runtime error} {
     list [catch {expr {24.0>>43}} msg] $msg
 } {1 {can't use floating-point value as operand of ">>"}}
@@ -383,17 +383,17 @@ test expr-11.4 {CompileAddExpr: just multiply expr} {expr 7891%0123} 6
 test expr-11.5 {CompileAddExpr: error in multiply expr} {
     catch {expr x*3} msg
     set msg
-} {syntax error in expression "x*3"}
+} {syntax error in expression "x*3": expected a parenthesis enclosing function arguments}
 test expr-11.6 {CompileAddExpr: simple add exprs} {expr 0xff++0x3} 258
 test expr-11.7 {CompileAddExpr: simple add exprs} {expr -0xf2--0x3} -239
 test expr-11.8 {CompileAddExpr: error compiling add arm} {
     catch {expr 2**3+6} msg
     set msg
-} {syntax error in expression "2**3+6"}
+} {syntax error in expression "2**3+6": unexpected operator}
 test expr-11.9 {CompileAddExpr: error compiling add arm} {
     catch {expr 2-x} msg
     set msg
-} {syntax error in expression "2-x"}
+} {syntax error in expression "2-x": expected a parenthesis enclosing function arguments}
 test expr-11.10 {CompileAddExpr: runtime error} {
     list [catch {expr {24.0+"xx"}} msg] $msg
 } {1 {can't use non-numeric string as operand of "+"}}
@@ -414,17 +414,17 @@ test expr-12.4 {CompileMultiplyExpr: just unary expr} {expr ~0xff00ff} -16711936
 test expr-12.5 {CompileMultiplyExpr: error in unary expr} {
     catch {expr ~x} msg
     set msg
-} {syntax error in expression "~x"}
+} {syntax error in expression "~x": expected a parenthesis enclosing function arguments}
 test expr-12.6 {CompileMultiplyExpr: simple multiply exprs} {expr 0xff*0x3} 765
 test expr-12.7 {CompileMultiplyExpr: simple multiply exprs} {expr -0xf2%-0x3} -2
 test expr-12.8 {CompileMultiplyExpr: error compiling multiply arm} {
     catch {expr 2*3%%6} msg
     set msg
-} {syntax error in expression "2*3%%6"}
+} {syntax error in expression "2*3%%6": unexpected operator}
 test expr-12.9 {CompileMultiplyExpr: error compiling multiply arm} {
     catch {expr 2*x} msg
     set msg
-} {syntax error in expression "2*x"}
+} {syntax error in expression "2*x": expected a parenthesis enclosing function arguments}
 test expr-12.10 {CompileMultiplyExpr: runtime error} {
     list [catch {expr {24.0*"xx"}} msg] $msg
 } {1 {can't use non-numeric string as operand of "*"}}
@@ -442,11 +442,11 @@ test expr-13.7 {CompileUnaryExpr: unary exprs} {expr !0xef} 0
 test expr-13.8 {CompileUnaryExpr: error compiling unary expr} {
     catch {expr ~x} msg
     set msg
-} {syntax error in expression "~x"}
+} {syntax error in expression "~x": expected a parenthesis enclosing function arguments}
 test expr-13.9 {CompileUnaryExpr: error compiling unary expr} {
     catch {expr !1.x} msg
     set msg
-} {syntax error in expression "!1.x"}
+} {syntax error in expression "!1.x": extra tokens at end of expression}
 test expr-13.10 {CompileUnaryExpr: runtime error} {
     list [catch {expr {~"xx"}} msg] $msg
 } {1 {can't use non-numeric string as operand of "~"}}
@@ -563,7 +563,7 @@ test expr-14.26 {CompilePrimaryExpr: math function primary} {
 test expr-14.27 {CompilePrimaryExpr: error in math function primary} {
     catch {expr sinh::(2.0)} msg
     set errorInfo
-} {syntax error in expression "sinh::(2.0)"
+} {syntax error in expression "sinh::(2.0)": expected a parenthesis enclosing function arguments
     while compiling
 "expr sinh::(2.0)"}
 test expr-14.28 {CompilePrimaryExpr: subexpression primary} {
@@ -580,7 +580,7 @@ test expr-14.29 {CompilePrimaryExpr: error in subexpression primary} {
 test expr-14.30 {CompilePrimaryExpr: missing paren in subexpression primary} {
     catch {expr 2+(3*(4+5)} msg
     set errorInfo
-} {syntax error in expression "2+(3*(4+5)"
+} {syntax error in expression "2+(3*(4+5)": looking for close parenthesis
     while compiling
 "expr 2+(3*(4+5)"}
 test expr-14.31 {CompilePrimaryExpr: just var ref in subexpression primary} {
@@ -590,14 +590,14 @@ test expr-14.31 {CompilePrimaryExpr: just var ref in subexpression primary} {
 test expr-14.32 {CompilePrimaryExpr: unexpected token} {
     catch {expr @} msg
     set errorInfo
-} {syntax error in expression "@"
+} {syntax error in expression "@": character not legal in expressions
     while compiling
 "expr @"}
 
 test expr-15.1 {CompileMathFuncCall: missing parenthesis} {
     catch {expr sinh2.0)} msg
     set errorInfo
-} {syntax error in expression "sinh2.0)"
+} {syntax error in expression "sinh2.0)": expected a parenthesis enclosing function arguments
     while compiling
 "expr sinh2.0)"}
 test expr-15.2 {CompileMathFuncCall: unknown math function} {
@@ -627,7 +627,7 @@ test expr-15.5 {CompileMathFuncCall: too few arguments} {
 test expr-15.6 {CompileMathFuncCall: missing ')'} {
     catch {expr sin(1} msg
     set errorInfo
-} {syntax error in expression "sin(1"
+} {syntax error in expression "sin(1": missing close parenthesis at end of function call
     while compiling
 "expr sin(1"}
 if $gotT1 {
@@ -733,7 +733,7 @@ test expr-20.2 {double invocation of variable traces} {
     list [catch {expr "$exprtracevar + 20"} a] $a \
         [catch {expr "$exprtracevar + 20"} b] $b \
         [unset exprtracevar exprtracecounter]
-} {1 {syntax error in expression "1 oops 10 + 20"} 0 32 {}}
+} {1 {syntax error in expression "1 oops 10 + 20": extra tokens at end of expression} 0 32 {}}
 test expr-20.3 {broken substitution of integer digits} {
     # fails with 8.0.x, but not 8.1b2
     list [set a 000; expr 0x1$a] [set a 1; expr ${a}000]
diff --git a/tests/for.test b/tests/for.test
index 95ed356..95ba8d0 100644
--- a/tests/for.test
+++ b/tests/for.test
@@ -9,7 +9,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: for.test,v 1.7 2001/09/19 18:17:54 hobbs Exp $
+# RCS: @(#) $Id: for.test,v 1.8 2001/12/04 15:36:29 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -668,7 +668,7 @@ test for-6.6 {Tcl_ForObjCmd: error in initial command} {
 test for-6.7 {Tcl_ForObjCmd: error in test expression} {
     set z for
     list [catch {$z {set i 0} {i < 5} {incr i} {body}} msg] $msg $errorInfo
-} {1 {syntax error in expression "i < 5"} {syntax error in expression "i < 5"
+} {1 {syntax error in expression "i < 5": expected a parenthesis enclosing function arguments} {syntax error in expression "i < 5": expected a parenthesis enclosing function arguments
     while executing
 "$z {set i 0} {i < 5} {incr i} {body}"}}
 test for-6.8 {Tcl_ForObjCmd: test expression is enclosed in quotes} {
@@ -775,4 +775,3 @@ test for-6.16 {Tcl_ForObjCmd: for command result} {
 # cleanup
 ::tcltest::cleanupTests
 return
-
diff --git a/tests/if.test b/tests/if.test
index 5cb269d..1c79ef2 100644
--- a/tests/if.test
+++ b/tests/if.test
@@ -10,7 +10,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: if.test,v 1.6 2001/09/19 18:17:54 hobbs Exp $
+# RCS: @(#) $Id: if.test,v 1.7 2001/12/04 15:36:29 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -28,7 +28,7 @@ test if-1.2 {TclCompileIfCmd: error in if/elseif test} {
 } {1 {error in condition}}
 test if-1.3 {TclCompileIfCmd: error in if/elseif test} {
     list [catch {if {1+}} msg] $msg $errorInfo
-} {1 {syntax error in expression "1+"} {syntax error in expression "1+"
+} {1 {syntax error in expression "1+": premature end of expression} {syntax error in expression "1+": premature end of expression
     ("if" test expression)
     while compiling
 "if {1+}"}}
@@ -180,7 +180,7 @@ test if-2.3 {TclCompileIfCmd: missing expression after "elseif"} {
 test if-2.4 {TclCompileIfCmd: error in expression after "elseif"} {
     set a {}
     list [catch {if 3>4 {set a 1} elseif {1>}} msg] $msg $errorInfo
-} {1 {syntax error in expression "1>"} {syntax error in expression "1>"
+} {1 {syntax error in expression "1>": premature end of expression} {syntax error in expression "1>": premature end of expression
     ("if" test expression)
     while compiling
 "if 3>4 {set a 1} elseif {1>}"}}
@@ -512,7 +512,7 @@ test if-5.2 {if cmd with computed command names: error in if/elseif test} {
 test if-5.3 {if cmd with computed command names: error in if/elseif test} {
     set z if
     list [catch {$z {1+}} msg] $msg $errorInfo
-} {1 {syntax error in expression "1+"} {syntax error in expression "1+"
+} {1 {syntax error in expression "1+": premature end of expression} {syntax error in expression "1+": premature end of expression
     while executing
 "$z {1+}"}}
 test if-5.4 {if cmd with computed command names: if/elseif test in braces} {
@@ -680,7 +680,7 @@ test if-6.4 {if cmd with computed command names: error in expression after "else
     set z if
     set a {}
     list [catch {$z 3>4 {set a 1} elseif {1>}} msg] $msg $errorInfo
-} {1 {syntax error in expression "1>"} {syntax error in expression "1>"
+} {1 {syntax error in expression "1>": premature end of expression} {syntax error in expression "1>": premature end of expression
     while executing
 "$z 3>4 {set a 1} elseif {1>}"}}
 test if-6.5 {if cmd with computed command names: test jumpFalse instruction replacement after long "elseif" body} {
@@ -1108,20 +1108,8 @@ test if-10.6 {double invocation of variable traces} {
     list [catch {if "$iftracevar + 20" {}} a] $a \
         [catch {if "$iftracevar + 20" {}} b] $b \
         [unset iftracevar iftracecounter]
-} {1 {syntax error in expression "1 oops 10 + 20"} 0 {} {}}
+} {1 {syntax error in expression "1 oops 10 + 20": extra tokens at end of expression} 0 {} {}}
 
 # cleanup
 ::tcltest::cleanupTests
 return
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/tests/parseExpr.test b/tests/parseExpr.test
index 8b2afbc..0f9fb7e 100644
--- a/tests/parseExpr.test
+++ b/tests/parseExpr.test
@@ -8,7 +8,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: parseExpr.test,v 1.5 2000/04/10 17:19:02 ericm Exp $
+# RCS: @(#) $Id: parseExpr.test,v 1.6 2001/12/04 15:36:29 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -27,35 +27,40 @@ if {[info commands testexprparser] == {}} {
     return 
 }
 
+# Some tests only work if wide integers (>32bit) are not found to be
+# integers at all.
+set ::tcltest::testConstraints(wideIntegerUnparsed) \
+	[expr {-1 == 0xffffffff}]
+
 test parseExpr-1.1 {Tcl_ParseExpr procedure, computing string length} {
     testexprparser [bytestring "1+2\0 +3"] -1
 } {- {} 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 {}}
 test parseExpr-1.2 {Tcl_ParseExpr procedure, computing string length} {
     testexprparser "1  + 2" -1
 } {- {} 0 subexpr {1  + 2} 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-1.3 {Tcl_ParseExpr procedure, error getting initial lexeme} {nonPortable} {
+test parseExpr-1.3 {Tcl_ParseExpr procedure, error getting initial lexeme} {wideIntegerUnparsed} {
     list [catch {testexprparser {12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
 test parseExpr-1.4 {Tcl_ParseExpr procedure, error in conditional expression} {
     list [catch {testexprparser {foo+} -1} msg] $msg
-} {1 {syntax error in expression "foo+"}}
+} {1 {syntax error in expression "foo+": expected a parenthesis enclosing function arguments}}
 test parseExpr-1.5 {Tcl_ParseExpr procedure, lexemes after the expression} {
     list [catch {testexprparser {1+2 345} -1} msg] $msg
-} {1 {syntax error in expression "1+2 345"}}
+} {1 {syntax error in expression "1+2 345": extra tokens at end of expression}}
 
 test parseExpr-2.1 {ParseCondExpr procedure, valid test subexpr} {
     testexprparser {2>3? 1 : 0} -1
 } {- {} 0 subexpr {2>3? 1 : 0} 11 operator ? 0 subexpr 2>3 5 operator > 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
 test parseExpr-2.2 {ParseCondExpr procedure, error in test subexpr} {
     list [catch {testexprparser {0 || foo} -1} msg] $msg
-} {1 {syntax error in expression "0 || foo"}}
+} {1 {syntax error in expression "0 || foo": expected a parenthesis enclosing function arguments}}
 test parseExpr-2.3 {ParseCondExpr procedure, next lexeme isn't "?"} {
     testexprparser {1+2} -1
 } {- {} 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 {}}
 test parseExpr-2.4 {ParseCondExpr procedure, next lexeme is "?"} {
     testexprparser {1+2 ? 3 : 4} -1
 } {- {} 0 subexpr {1+2 ? 3 : 4} 11 operator ? 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
-test parseExpr-2.5 {ParseCondExpr procedure, bad lexeme after "?"} {nonPortable} {
+test parseExpr-2.5 {ParseCondExpr procedure, bad lexeme after "?"} {wideIntegerUnparsed} {
     list [catch {testexprparser {1+2 ? 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
 test parseExpr-2.6 {ParseCondExpr procedure, valid "then" subexpression} {
@@ -63,30 +68,30 @@ test parseExpr-2.6 {ParseCondExpr procedure, valid "then" subexpression} {
 } {- {} 0 subexpr {1? 3 : 4} 7 operator ? 0 subexpr 1 1 text 1 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
 test parseExpr-2.7 {ParseCondExpr procedure, error in "then" subexpression} {
     list [catch {testexprparser {1? fred : martha} -1} msg] $msg
-} {1 {syntax error in expression "1? fred : martha"}}
+} {1 {syntax error in expression "1? fred : martha": expected a parenthesis enclosing function arguments}}
 test parseExpr-2.8 {ParseCondExpr procedure, lexeme after "then" subexpr isn't ":"} {
     list [catch {testexprparser {1? 2 martha 3} -1} msg] $msg
-} {1 {syntax error in expression "1? 2 martha 3"}}
+} {1 {syntax error in expression "1? 2 martha 3": missing colon from ternary conditional}}
 test parseExpr-2.9 {ParseCondExpr procedure, valid "else" subexpression} {
     testexprparser {27||3? 3 : 4&&9} -1
 } {- {} 0 subexpr {27||3? 3 : 4&&9} 15 operator ? 0 subexpr 27||3 5 operator || 0 subexpr 27 1 text 27 0 subexpr 3 1 text 3 0 subexpr 3 1 text 3 0 subexpr 4&&9 5 operator && 0 subexpr 4 1 text 4 0 subexpr 9 1 text 9 0 {}}
 test parseExpr-2.10 {ParseCondExpr procedure, error in "else" subexpression} {
     list [catch {testexprparser {1? 2 : martha} -1} msg] $msg
-} {1 {syntax error in expression "1? 2 : martha"}}
+} {1 {syntax error in expression "1? 2 : martha": expected a parenthesis enclosing function arguments}}
 
 test parseExpr-3.1 {ParseLorExpr procedure, valid logical and subexpr} {
     testexprparser {1&&2 || 3} -1
 } {- {} 0 subexpr {1&&2 || 3} 9 operator || 0 subexpr 1&&2 5 operator && 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
 test parseExpr-3.2 {ParseLorExpr procedure, error in logical and subexpr} {
     list [catch {testexprparser {1&&foo || 3} -1} msg] $msg
-} {1 {syntax error in expression "1&&foo || 3"}}
+} {1 {syntax error in expression "1&&foo || 3": expected a parenthesis enclosing function arguments}}
 test parseExpr-3.3 {ParseLorExpr procedure, next lexeme isn't "||"} {
     testexprparser {1&&2? 1 : 0} -1
 } {- {} 0 subexpr {1&&2? 1 : 0} 11 operator ? 0 subexpr 1&&2 5 operator && 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
 test parseExpr-3.4 {ParseLorExpr procedure, next lexeme is "||"} {
     testexprparser {1&&2 || 3} -1
 } {- {} 0 subexpr {1&&2 || 3} 9 operator || 0 subexpr 1&&2 5 operator && 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-3.5 {ParseLorExpr procedure, bad lexeme after "||"} {nonPortable} {
+test parseExpr-3.5 {ParseLorExpr procedure, bad lexeme after "||"} {wideIntegerUnparsed} {
     list [catch {testexprparser {1&&2 || 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
 test parseExpr-3.6 {ParseLorExpr procedure, valid RHS subexpression} {
@@ -94,21 +99,21 @@ test parseExpr-3.6 {ParseLorExpr procedure, valid RHS subexpression} {
 } {- {} 0 subexpr {1&&2 || 3 || 4} 13 operator || 0 subexpr {1&&2 || 3} 9 operator || 0 subexpr 1&&2 5 operator && 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
 test parseExpr-3.7 {ParseLorExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1&&2 || 3 || martha} -1} msg] $msg
-} {1 {syntax error in expression "1&&2 || 3 || martha"}}
+} {1 {syntax error in expression "1&&2 || 3 || martha": expected a parenthesis enclosing function arguments}}
 
 test parseExpr-4.1 {ParseLandExpr procedure, valid LHS "|" subexpr} {
     testexprparser {1|2 && 3} -1
 } {- {} 0 subexpr {1|2 && 3} 9 operator && 0 subexpr 1|2 5 operator | 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
 test parseExpr-4.2 {ParseLandExpr procedure, error in LHS "|" subexpr} {
     list [catch {testexprparser {1&&foo && 3} -1} msg] $msg
-} {1 {syntax error in expression "1&&foo && 3"}}
+} {1 {syntax error in expression "1&&foo && 3": expected a parenthesis enclosing function arguments}}
 test parseExpr-4.3 {ParseLandExpr procedure, next lexeme isn't "&&"} {
     testexprparser {1|2? 1 : 0} -1
 } {- {} 0 subexpr {1|2? 1 : 0} 11 operator ? 0 subexpr 1|2 5 operator | 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
 test parseExpr-4.4 {ParseLandExpr procedure, next lexeme is "&&"} {
     testexprparser {1|2 && 3} -1
 } {- {} 0 subexpr {1|2 && 3} 9 operator && 0 subexpr 1|2 5 operator | 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-4.5 {ParseLandExpr procedure, bad lexeme after "&&"} {nonPortable} {
+test parseExpr-4.5 {ParseLandExpr procedure, bad lexeme after "&&"} {wideIntegerUnparsed} {
     list [catch {testexprparser {1|2 && 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
 test parseExpr-4.6 {ParseLandExpr procedure, valid RHS subexpression} {
@@ -116,21 +121,21 @@ test parseExpr-4.6 {ParseLandExpr procedure, valid RHS subexpression} {
 } {- {} 0 subexpr {1|2 && 3 && 4} 13 operator && 0 subexpr {1|2 && 3} 9 operator && 0 subexpr 1|2 5 operator | 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
 test parseExpr-4.7 {ParseLandExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1|2 && 3 && martha} -1} msg] $msg
-} {1 {syntax error in expression "1|2 && 3 && martha"}}
+} {1 {syntax error in expression "1|2 && 3 && martha": expected a parenthesis enclosing function arguments}}
 
 test parseExpr-5.1 {ParseBitOrExpr procedure, valid LHS "^" subexpr} {
     testexprparser {1^2 | 3} -1
 } {- {} 0 subexpr {1^2 | 3} 9 operator | 0 subexpr 1^2 5 operator ^ 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
 test parseExpr-5.2 {ParseBitOrExpr procedure, error in LHS "^" subexpr} {
     list [catch {testexprparser {1|foo | 3} -1} msg] $msg
-} {1 {syntax error in expression "1|foo | 3"}}
+} {1 {syntax error in expression "1|foo | 3": expected a parenthesis enclosing function arguments}}
 test parseExpr-5.3 {ParseBitOrExpr procedure, next lexeme isn't "|"} {
     testexprparser {1^2? 1 : 0} -1
 } {- {} 0 subexpr {1^2? 1 : 0} 11 operator ? 0 subexpr 1^2 5 operator ^ 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
 test parseExpr-5.4 {ParseBitOrExpr procedure, next lexeme is "|"} {
     testexprparser {1^2 | 3} -1
 } {- {} 0 subexpr {1^2 | 3} 9 operator | 0 subexpr 1^2 5 operator ^ 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-5.5 {ParseBitOrExpr procedure, bad lexeme after "|"} {nonPortable} {
+test parseExpr-5.5 {ParseBitOrExpr procedure, bad lexeme after "|"} {wideIntegerUnparsed} {
     list [catch {testexprparser {1^2 | 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
 test parseExpr-5.6 {ParseBitOrExpr procedure, valid RHS subexpression} {
@@ -138,21 +143,21 @@ test parseExpr-5.6 {ParseBitOrExpr procedure, valid RHS subexpression} {
 } {- {} 0 subexpr {1^2 | 3 | 4} 13 operator | 0 subexpr {1^2 | 3} 9 operator | 0 subexpr 1^2 5 operator ^ 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
 test parseExpr-5.7 {ParseBitOrExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1^2 | 3 | martha} -1} msg] $msg
-} {1 {syntax error in expression "1^2 | 3 | martha"}}
+} {1 {syntax error in expression "1^2 | 3 | martha": expected a parenthesis enclosing function arguments}}
 
 test parseExpr-6.1 {ParseBitXorExpr procedure, valid LHS "&" subexpr} {
     testexprparser {1&2 ^ 3} -1
 } {- {} 0 subexpr {1&2 ^ 3} 9 operator ^ 0 subexpr 1&2 5 operator & 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
 test parseExpr-6.2 {ParseBitXorExpr procedure, error in LHS "&" subexpr} {
     list [catch {testexprparser {1^foo ^ 3} -1} msg] $msg
-} {1 {syntax error in expression "1^foo ^ 3"}}
+} {1 {syntax error in expression "1^foo ^ 3": expected a parenthesis enclosing function arguments}}
 test parseExpr-6.3 {ParseBitXorExpr procedure, next lexeme isn't "^"} {
     testexprparser {1&2? 1 : 0} -1
 } {- {} 0 subexpr {1&2? 1 : 0} 11 operator ? 0 subexpr 1&2 5 operator & 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
 test parseExpr-6.4 {ParseBitXorExpr procedure, next lexeme is "^"} {
     testexprparser {1&2 ^ 3} -1
 } {- {} 0 subexpr {1&2 ^ 3} 9 operator ^ 0 subexpr 1&2 5 operator & 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-6.5 {ParseBitXorExpr procedure, bad lexeme after "^"} {nonPortable} {
+test parseExpr-6.5 {ParseBitXorExpr procedure, bad lexeme after "^"} {wideIntegerUnparsed} {
     list [catch {testexprparser {1&2 ^ 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
 test parseExpr-6.6 {ParseBitXorExpr procedure, valid RHS subexpression} {
@@ -160,21 +165,21 @@ test parseExpr-6.6 {ParseBitXorExpr procedure, valid RHS subexpression} {
 } {- {} 0 subexpr {1&2 ^ 3 ^ 4} 13 operator ^ 0 subexpr {1&2 ^ 3} 9 operator ^ 0 subexpr 1&2 5 operator & 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
 test parseExpr-6.7 {ParseBitXorExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1&2 ^ 3 ^ martha} -1} msg] $msg
-} {1 {syntax error in expression "1&2 ^ 3 ^ martha"}}
+} {1 {syntax error in expression "1&2 ^ 3 ^ martha": expected a parenthesis enclosing function arguments}}
 
 test parseExpr-7.1 {ParseBitAndExpr procedure, valid LHS equality subexpr} {
     testexprparser {1==2 & 3} -1
 } {- {} 0 subexpr {1==2 & 3} 9 operator & 0 subexpr 1==2 5 operator == 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
 test parseExpr-7.2 {ParseBitAndExpr procedure, error in LHS equality subexpr} {
     list [catch {testexprparser {1!=foo & 3} -1} msg] $msg
-} {1 {syntax error in expression "1!=foo & 3"}}
+} {1 {syntax error in expression "1!=foo & 3": expected a parenthesis enclosing function arguments}}
 test parseExpr-7.3 {ParseBitAndExpr procedure, next lexeme isn't "&"} {
     testexprparser {1==2? 1 : 0} -1
 } {- {} 0 subexpr {1==2? 1 : 0} 11 operator ? 0 subexpr 1==2 5 operator == 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
 test parseExpr-7.4 {ParseBitAndExpr procedure, next lexeme is "&"} {
     testexprparser {1>2 & 3} -1
 } {- {} 0 subexpr {1>2 & 3} 9 operator & 0 subexpr 1>2 5 operator > 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-7.5 {ParseBitAndExpr procedure, bad lexeme after "&"} {nonPortable} {
+test parseExpr-7.5 {ParseBitAndExpr procedure, bad lexeme after "&"} {wideIntegerUnparsed} {
     list [catch {testexprparser {1==2 & 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
 test parseExpr-7.6 {ParseBitAndExpr procedure, valid RHS subexpression} {
@@ -182,457 +187,454 @@ test parseExpr-7.6 {ParseBitAndExpr procedure, valid RHS subexpression} {
 } {- {} 0 subexpr {1<2 & 3 & 4} 13 operator & 0 subexpr {1<2 & 3} 9 operator & 0 subexpr 1<2 5 operator < 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
 test parseExpr-7.7 {ParseBitAndExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1==2 & 3>2 & martha} -1} msg] $msg
-} {1 {syntax error in expression "1==2 & 3>2 & martha"}}
+} {1 {syntax error in expression "1==2 & 3>2 & martha": expected a parenthesis enclosing function arguments}}
 
-test parseExpr-7.1 {ParseEqualityExpr procedure, valid LHS relational subexpr} {
+test parseExpr-8.1 {ParseEqualityExpr procedure, valid LHS relational subexpr} {
     testexprparser {1<2 == 3} -1
 } {- {} 0 subexpr {1<2 == 3} 9 operator == 0 subexpr 1<2 5 operator < 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-7.2 {ParseEqualityExpr procedure, error in LHS relational subexpr} {
+test parseExpr-8.2 {ParseEqualityExpr procedure, error in LHS relational subexpr} {
     list [catch {testexprparser {1>=foo == 3} -1} msg] $msg
-} {1 {syntax error in expression "1>=foo == 3"}}
-test parseExpr-7.3 {ParseEqualityExpr procedure, next lexeme isn't "==" or "!="} {
+} {1 {syntax error in expression "1>=foo == 3": expected a parenthesis enclosing function arguments}}
+test parseExpr-8.3 {ParseEqualityExpr procedure, next lexeme isn't "==" or "!="} {
     testexprparser {1<2? 1 : 0} -1
 } {- {} 0 subexpr {1<2? 1 : 0} 11 operator ? 0 subexpr 1<2 5 operator < 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
-test parseExpr-7.4 {ParseEqualityExpr procedure, next lexeme is "==" or "!=} {
+test parseExpr-8.4 {ParseEqualityExpr procedure, next lexeme is "==" or "!="} {
     testexprparser {1<2 == 3} -1
 } {- {} 0 subexpr {1<2 == 3} 9 operator == 0 subexpr 1<2 5 operator < 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-7.5 {ParseEqualityExpr procedure, next lexeme is "==" or "!="} {
+test parseExpr-8.5 {ParseEqualityExpr procedure, next lexeme is "==" or "!="} {
     testexprparser {1<2 != 3} -1
 } {- {} 0 subexpr {1<2 != 3} 9 operator != 0 subexpr 1<2 5 operator < 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-7.6 {ParseEqualityExpr procedure, bad lexeme after "==" or "!="} {nonPortable} {
+test parseExpr-8.6 {ParseEqualityExpr procedure, bad lexeme after "==" or "!="} {wideIntegerUnparsed} {
     list [catch {testexprparser {1<2 == 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-7.7 {ParseEqualityExpr procedure, valid RHS subexpression} {
+test parseExpr-8.7 {ParseEqualityExpr procedure, valid RHS subexpression} {
     testexprparser {1<2 == 3 == 4} -1
 } {- {} 0 subexpr {1<2 == 3 == 4} 13 operator == 0 subexpr {1<2 == 3} 9 operator == 0 subexpr 1<2 5 operator < 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
-test parseExpr-7.8 {ParseEqualityExpr procedure, error in RHS subexpression} {
+test parseExpr-8.8 {ParseEqualityExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1<2 == 3 != martha} -1} msg] $msg
-} {1 {syntax error in expression "1<2 == 3 != martha"}}
+} {1 {syntax error in expression "1<2 == 3 != martha": expected a parenthesis enclosing function arguments}}
 
-test parseExpr-8.1 {ParseRelationalExpr procedure, valid LHS shift subexpr} {
+test parseExpr-9.1 {ParseRelationalExpr procedure, valid LHS shift subexpr} {
     testexprparser {1<<2 < 3} -1
 } {- {} 0 subexpr {1<<2 < 3} 9 operator < 0 subexpr 1<<2 5 operator << 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-8.2 {ParseRelationalExpr procedure, error in LHS shift subexpr} {
+test parseExpr-9.2 {ParseRelationalExpr procedure, error in LHS shift subexpr} {
     list [catch {testexprparser {1>=foo < 3} -1} msg] $msg
-} {1 {syntax error in expression "1>=foo < 3"}}
-test parseExpr-8.3 {ParseRelationalExpr procedure, next lexeme isn't relational op} {
+} {1 {syntax error in expression "1>=foo < 3": expected a parenthesis enclosing function arguments}}
+test parseExpr-9.3 {ParseRelationalExpr procedure, next lexeme isn't relational op} {
     testexprparser {1<<2? 1 : 0} -1
 } {- {} 0 subexpr {1<<2? 1 : 0} 11 operator ? 0 subexpr 1<<2 5 operator << 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
-test parseExpr-8.4 {ParseRelationalExpr procedure, next lexeme is relational op} {
+test parseExpr-9.4 {ParseRelationalExpr procedure, next lexeme is relational op} {
     testexprparser {1<<2 < 3} -1
 } {- {} 0 subexpr {1<<2 < 3} 9 operator < 0 subexpr 1<<2 5 operator << 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-8.5 {ParseRelationalExpr procedure, next lexeme is relational op} {
+test parseExpr-9.5 {ParseRelationalExpr procedure, next lexeme is relational op} {
     testexprparser {1>>2 > 3} -1
 } {- {} 0 subexpr {1>>2 > 3} 9 operator > 0 subexpr 1>>2 5 operator >> 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-8.6 {ParseRelationalExpr procedure, next lexeme is relational op} {
+test parseExpr-9.6 {ParseRelationalExpr procedure, next lexeme is relational op} {
     testexprparser {1<<2 <= 3} -1
 } {- {} 0 subexpr {1<<2 <= 3} 9 operator <= 0 subexpr 1<<2 5 operator << 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-8.7 {ParseRelationalExpr procedure, next lexeme is relational op} {
+test parseExpr-9.7 {ParseRelationalExpr procedure, next lexeme is relational op} {
     testexprparser {1<<2 >= 3} -1
 } {- {} 0 subexpr {1<<2 >= 3} 9 operator >= 0 subexpr 1<<2 5 operator << 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-8.8 {ParseRelationalExpr procedure, bad lexeme after relational op} {nonPortable} {
+test parseExpr-9.8 {ParseRelationalExpr procedure, bad lexeme after relational op} {wideIntegerUnparsed} {
     list [catch {testexprparser {1<<2 < 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-8.9 {ParseRelationalExpr procedure, valid RHS subexpression} {
+test parseExpr-9.9 {ParseRelationalExpr procedure, valid RHS subexpression} {
     testexprparser {1<<2 < 3 < 4} -1
 } {- {} 0 subexpr {1<<2 < 3 < 4} 13 operator < 0 subexpr {1<<2 < 3} 9 operator < 0 subexpr 1<<2 5 operator << 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
-test parseExpr-8.8 {ParseRelationalExpr procedure, error in RHS subexpression} {
+test parseExpr-9.10 {ParseRelationalExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1<<2 < 3 > martha} -1} msg] $msg
-} {1 {syntax error in expression "1<<2 < 3 > martha"}}
+} {1 {syntax error in expression "1<<2 < 3 > martha": expected a parenthesis enclosing function arguments}}
 
-test parseExpr-9.1 {ParseShiftExpr procedure, valid LHS add subexpr} {
+test parseExpr-10.1 {ParseShiftExpr procedure, valid LHS add subexpr} {
     testexprparser {1+2 << 3} -1
 } {- {} 0 subexpr {1+2 << 3} 9 operator << 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-9.2 {ParseShiftExpr procedure, error in LHS add subexpr} {
+test parseExpr-10.2 {ParseShiftExpr procedure, error in LHS add subexpr} {
     list [catch {testexprparser {1-foo << 3} -1} msg] $msg
-} {1 {syntax error in expression "1-foo << 3"}}
-test parseExpr-9.3 {ParseShiftExpr procedure, next lexeme isn't "<<" or ">>"} {
+} {1 {syntax error in expression "1-foo << 3": expected a parenthesis enclosing function arguments}}
+test parseExpr-10.3 {ParseShiftExpr procedure, next lexeme isn't "<<" or ">>"} {
     testexprparser {1+2? 1 : 0} -1
 } {- {} 0 subexpr {1+2? 1 : 0} 11 operator ? 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
-test parseExpr-9.4 {ParseShiftExpr procedure, next lexeme is "<<" or ">>} {
+test parseExpr-10.4 {ParseShiftExpr procedure, next lexeme is "<<" or ">>"} {
     testexprparser {1+2 << 3} -1
 } {- {} 0 subexpr {1+2 << 3} 9 operator << 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-9.5 {ParseShiftExpr procedure, next lexeme is "<<" or ">>"} {
+test parseExpr-10.5 {ParseShiftExpr procedure, next lexeme is "<<" or ">>"} {
     testexprparser {1+2 >> 3} -1
 } {- {} 0 subexpr {1+2 >> 3} 9 operator >> 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-9.6 {ParseShiftExpr procedure, bad lexeme after "<<" or ">>"} {nonPortable} {
+test parseExpr-10.6 {ParseShiftExpr procedure, bad lexeme after "<<" or ">>"} {wideIntegerUnparsed} {
     list [catch {testexprparser {1+2 << 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-9.7 {ParseShiftExpr procedure, valid RHS subexpression} {
+test parseExpr-10.7 {ParseShiftExpr procedure, valid RHS subexpression} {
     testexprparser {1+2 << 3 << 4} -1
 } {- {} 0 subexpr {1+2 << 3 << 4} 13 operator << 0 subexpr {1+2 << 3} 9 operator << 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
-test parseExpr-9.8 {ParseShiftExpr procedure, error in RHS subexpression} {
+test parseExpr-10.8 {ParseShiftExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1+2 << 3 >> martha} -1} msg] $msg
-} {1 {syntax error in expression "1+2 << 3 >> martha"}}
+} {1 {syntax error in expression "1+2 << 3 >> martha": expected a parenthesis enclosing function arguments}}
 
-test parseExpr-10.1 {ParseAddExpr procedure, valid LHS multiply subexpr} {
+test parseExpr-11.1 {ParseAddExpr procedure, valid LHS multiply subexpr} {
     testexprparser {1*2 + 3} -1
 } {- {} 0 subexpr {1*2 + 3} 9 operator + 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-10.2 {ParseAddExpr procedure, error in LHS multiply subexpr} {
+test parseExpr-11.2 {ParseAddExpr procedure, error in LHS multiply subexpr} {
     list [catch {testexprparser {1/foo + 3} -1} msg] $msg
-} {1 {syntax error in expression "1/foo + 3"}}
-test parseExpr-10.3 {ParseAddExpr procedure, next lexeme isn't "+" or "-"} {
+} {1 {syntax error in expression "1/foo + 3": expected a parenthesis enclosing function arguments}}
+test parseExpr-11.3 {ParseAddExpr procedure, next lexeme isn't "+" or "-"} {
     testexprparser {1*2? 1 : 0} -1
 } {- {} 0 subexpr {1*2? 1 : 0} 11 operator ? 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
-test parseExpr-10.4 {ParseAddExpr procedure, next lexeme is "+" or "-} {
+test parseExpr-11.4 {ParseAddExpr procedure, next lexeme is "+" or "-"} {
     testexprparser {1*2 + 3} -1
 } {- {} 0 subexpr {1*2 + 3} 9 operator + 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-10.5 {ParseAddExpr procedure, next lexeme is "+" or "-"} {
+test parseExpr-11.5 {ParseAddExpr procedure, next lexeme is "+" or "-"} {
     testexprparser {1*2 - 3} -1
 } {- {} 0 subexpr {1*2 - 3} 9 operator - 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-10.6 {ParseAddExpr procedure, bad lexeme after "+" or "-"} {nonPortable} {
+test parseExpr-11.6 {ParseAddExpr procedure, bad lexeme after "+" or "-"} {wideIntegerUnparsed} {
     list [catch {testexprparser {1*2 + 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-10.7 {ParseAddExpr procedure, valid RHS subexpression} {
+test parseExpr-11.7 {ParseAddExpr procedure, valid RHS subexpression} {
     testexprparser {1*2 + 3 + 4} -1
 } {- {} 0 subexpr {1*2 + 3 + 4} 13 operator + 0 subexpr {1*2 + 3} 9 operator + 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
-test parseExpr-10.8 {ParseAddExpr procedure, error in RHS subexpression} {
+test parseExpr-11.8 {ParseAddExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1*2 + 3 - martha} -1} msg] $msg
-} {1 {syntax error in expression "1*2 + 3 - martha"}}
+} {1 {syntax error in expression "1*2 + 3 - martha": expected a parenthesis enclosing function arguments}}
 
-test parseExpr-10.1 {ParseAddExpr procedure, valid LHS multiply subexpr} {
+test parseExpr-12.1 {ParseAddExpr procedure, valid LHS multiply subexpr} {
     testexprparser {1*2 + 3} -1
 } {- {} 0 subexpr {1*2 + 3} 9 operator + 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-10.2 {ParseAddExpr procedure, error in LHS multiply subexpr} {
+test parseExpr-12.2 {ParseAddExpr procedure, error in LHS multiply subexpr} {
     list [catch {testexprparser {1/foo + 3} -1} msg] $msg
-} {1 {syntax error in expression "1/foo + 3"}}
-test parseExpr-10.3 {ParseAddExpr procedure, next lexeme isn't "+" or "-"} {
+} {1 {syntax error in expression "1/foo + 3": expected a parenthesis enclosing function arguments}}
+test parseExpr-12.3 {ParseAddExpr procedure, next lexeme isn't "+" or "-"} {
     testexprparser {1*2? 1 : 0} -1
 } {- {} 0 subexpr {1*2? 1 : 0} 11 operator ? 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
-test parseExpr-10.4 {ParseAddExpr procedure, next lexeme is "+" or "-} {
+test parseExpr-12.4 {ParseAddExpr procedure, next lexeme is "+" or "-"} {
     testexprparser {1*2 + 3} -1
 } {- {} 0 subexpr {1*2 + 3} 9 operator + 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-10.5 {ParseAddExpr procedure, next lexeme is "+" or "-"} {
+test parseExpr-12.5 {ParseAddExpr procedure, next lexeme is "+" or "-"} {
     testexprparser {1*2 - 3} -1
 } {- {} 0 subexpr {1*2 - 3} 9 operator - 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-10.6 {ParseAddExpr procedure, bad lexeme after "+" or "-"} {nonPortable} {
+test parseExpr-12.6 {ParseAddExpr procedure, bad lexeme after "+" or "-"} {wideIntegerUnparsed} {
     list [catch {testexprparser {1*2 + 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-10.7 {ParseAddExpr procedure, valid RHS subexpression} {
+test parseExpr-12.7 {ParseAddExpr procedure, valid RHS subexpression} {
     testexprparser {1*2 + 3 + 4} -1
 } {- {} 0 subexpr {1*2 + 3 + 4} 13 operator + 0 subexpr {1*2 + 3} 9 operator + 0 subexpr 1*2 5 operator * 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
-test parseExpr-10.8 {ParseAddExpr procedure, error in RHS subexpression} {
+test parseExpr-12.8 {ParseAddExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {1*2 + 3 - martha} -1} msg] $msg
-} {1 {syntax error in expression "1*2 + 3 - martha"}}
+} {1 {syntax error in expression "1*2 + 3 - martha": expected a parenthesis enclosing function arguments}}
 
-test parseExpr-11.1 {ParseMultiplyExpr procedure, valid LHS unary subexpr} {
+test parseExpr-13.1 {ParseMultiplyExpr procedure, valid LHS unary subexpr} {
     testexprparser {+2 * 3} -1
 } {- {} 0 subexpr {+2 * 3} 7 operator * 0 subexpr +2 3 operator + 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-11.2 {ParseMultiplyExpr procedure, error in LHS unary subexpr} {nonPortable} {
+test parseExpr-13.2 {ParseMultiplyExpr procedure, error in LHS unary subexpr} {wideIntegerUnparsed} {
     list [catch {testexprparser {-12345678901234567890 * 3} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-11.3 {ParseMultiplyExpr procedure, next lexeme isn't "*", "/", or "%"} {
+test parseExpr-13.3 {ParseMultiplyExpr procedure, next lexeme isn't "*", "/", or "%"} {
     testexprparser {+2? 1 : 0} -1
 } {- {} 0 subexpr {+2? 1 : 0} 9 operator ? 0 subexpr +2 3 operator + 0 subexpr 2 1 text 2 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
-test parseExpr-11.4 {ParseMultiplyExpr procedure, next lexeme is "*", "/", or "%"} {
+test parseExpr-13.4 {ParseMultiplyExpr procedure, next lexeme is "*", "/", or "%"} {
     testexprparser {-123 * 3} -1
 } {- {} 0 subexpr {-123 * 3} 7 operator * 0 subexpr -123 3 operator - 0 subexpr 123 1 text 123 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-11.5 {ParseMultiplyExpr procedure, next lexeme is "*", "/", or "%"} {
+test parseExpr-13.5 {ParseMultiplyExpr procedure, next lexeme is "*", "/", or "%"} {
     testexprparser {+-456 / 3} -1
 } {- {} 0 subexpr {+-456 / 3} 9 operator / 0 subexpr +-456 5 operator + 0 subexpr -456 3 operator - 0 subexpr 456 1 text 456 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-11.6 {ParseMultiplyExpr procedure, next lexeme is "*", "/", or "%"} {
+test parseExpr-13.6 {ParseMultiplyExpr procedure, next lexeme is "*", "/", or "%"} {
     testexprparser {+-456 % 3} -1
 } {- {} 0 subexpr {+-456 % 3} 9 operator % 0 subexpr +-456 5 operator + 0 subexpr -456 3 operator - 0 subexpr 456 1 text 456 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-11.7 {ParseMultiplyExpr procedure, bad lexeme after "*", "/", or "%"} {nonPortable} {
+test parseExpr-13.7 {ParseMultiplyExpr procedure, bad lexeme after "*", "/", or "%"} {wideIntegerUnparsed} {
     list [catch {testexprparser {--++5 / 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-11.8 {ParseMultiplyExpr procedure, valid RHS subexpression} {
+test parseExpr-13.8 {ParseMultiplyExpr procedure, valid RHS subexpression} {
     testexprparser {-2 / 3 % 4} -1
 } {- {} 0 subexpr {-2 / 3 % 4} 11 operator % 0 subexpr {-2 / 3} 7 operator / 0 subexpr -2 3 operator - 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 subexpr 4 1 text 4 0 {}}
-test parseExpr-11.9 {ParseMultiplyExpr procedure, error in RHS subexpression} {
+test parseExpr-13.9 {ParseMultiplyExpr procedure, error in RHS subexpression} {
     list [catch {testexprparser {++2 / 3 * martha} -1} msg] $msg
-} {1 {syntax error in expression "++2 / 3 * martha"}}
+} {1 {syntax error in expression "++2 / 3 * martha": expected a parenthesis enclosing function arguments}}
 
-test parseExpr-12.1 {ParseUnaryExpr procedure, first token is unary operator} {
+test parseExpr-14.1 {ParseUnaryExpr procedure, first token is unary operator} {
     testexprparser {+2} -1
 } {- {} 0 subexpr +2 3 operator + 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-12.2 {ParseUnaryExpr procedure, first token is unary operator} {
+test parseExpr-14.2 {ParseUnaryExpr procedure, first token is unary operator} {
     testexprparser {-2} -1
 } {- {} 0 subexpr -2 3 operator - 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-12.3 {ParseUnaryExpr procedure, first token is unary operator} {
+test parseExpr-14.3 {ParseUnaryExpr procedure, first token is unary operator} {
     testexprparser {~2} -1
 } {- {} 0 subexpr ~2 3 operator ~ 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-12.4 {ParseUnaryExpr procedure, first token is unary operator} {
+test parseExpr-14.4 {ParseUnaryExpr procedure, first token is unary operator} {
     testexprparser {!2} -1
 } {- {} 0 subexpr !2 3 operator ! 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-12.5 {ParseUnaryExpr procedure, error in lexeme after unary op} {nonPortable} {
+test parseExpr-14.5 {ParseUnaryExpr procedure, error in lexeme after unary op} {wideIntegerUnparsed} {
     list [catch {testexprparser {-12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-12.6 {ParseUnaryExpr procedure, simple unary expr after unary op} {
+test parseExpr-14.6 {ParseUnaryExpr procedure, simple unary expr after unary op} {
     testexprparser {+"1234"} -1
 } {- {} 0 subexpr +\"1234\" 3 operator + 0 subexpr {"1234"} 1 text 1234 0 {}}
-test parseExpr-12.7 {ParseUnaryExpr procedure, another unary expr after unary op} {
+test parseExpr-14.7 {ParseUnaryExpr procedure, another unary expr after unary op} {
     testexprparser {~!{fred}} -1
 } {- {} 0 subexpr ~!{fred} 5 operator ~ 0 subexpr !{fred} 3 operator ! 0 subexpr {{fred}} 1 text fred 0 {}}
-test parseExpr-12.8 {ParseUnaryExpr procedure, error in unary expr after unary op} {
+test parseExpr-14.8 {ParseUnaryExpr procedure, error in unary expr after unary op} {
     list [catch {testexprparser {+-||27} -1} msg] $msg
-} {1 {syntax error in expression "+-||27"}}
-test parseExpr-12.9 {ParseUnaryExpr procedure, error in unary expr after unary op} {
+} {1 {syntax error in expression "+-||27": unexpected operator}}
+test parseExpr-14.9 {ParseUnaryExpr procedure, error in unary expr after unary op} {
     list [catch {testexprparser {+-||27} -1} msg] $msg
-} {1 {syntax error in expression "+-||27"}}
-test parseExpr-12.10 {ParseUnaryExpr procedure, first token is not unary op} {
+} {1 {syntax error in expression "+-||27": unexpected operator}}
+test parseExpr-14.10 {ParseUnaryExpr procedure, first token is not unary op} {
     testexprparser {123} -1
 } {- {} 0 subexpr 123 1 text 123 0 {}}
-test parseExpr-12.11 {ParseUnaryExpr procedure, not unary expr, complex primary expr} {
+test parseExpr-14.11 {ParseUnaryExpr procedure, not unary expr, complex primary expr} {
     testexprparser {(1+2)} -1
 } {- {} 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-12.12 {ParseUnaryExpr procedure, not unary expr, error in primary expr} {nonPortable} {
+test parseExpr-14.12 {ParseUnaryExpr procedure, not unary expr, error in primary expr} {wideIntegerUnparsed} {
     list [catch {testexprparser {(12345678901234567890)} -1} msg] $msg
 } {1 {integer value too large to represent}}
 
-test parseExpr-13.1 {ParsePrimaryExpr procedure, just parenthesized subexpr} {
+test parseExpr-15.1 {ParsePrimaryExpr procedure, just parenthesized subexpr} {
     testexprparser {({abc}/{def})} -1
 } {- {} 0 subexpr {{abc}/{def}} 5 operator / 0 subexpr {{abc}} 1 text abc 0 subexpr {{def}} 1 text def 0 {}}
-test parseExpr-13.2 {ParsePrimaryExpr procedure, bad lexeme after "("} {nonPortable} {
+test parseExpr-15.2 {ParsePrimaryExpr procedure, bad lexeme after "("} {wideIntegerUnparsed} {
     list [catch {testexprparser {(12345678901234567890)} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-13.3 {ParsePrimaryExpr procedure, valid parenthesized subexpr} {
+test parseExpr-15.3 {ParsePrimaryExpr procedure, valid parenthesized subexpr} {
     testexprparser {({abc}? 2*4 : -6)} -1
 } {- {} 0 subexpr {{abc}? 2*4 : -6} 13 operator ? 0 subexpr {{abc}} 1 text abc 0 subexpr 2*4 5 operator * 0 subexpr 2 1 text 2 0 subexpr 4 1 text 4 0 subexpr -6 3 operator - 0 subexpr 6 1 text 6 0 {}}
-test parseExpr-13.4 {ParsePrimaryExpr procedure, error in parenthesized subexpr} {
+test parseExpr-15.4 {ParsePrimaryExpr procedure, error in parenthesized subexpr} {
     list [catch {testexprparser {(? 123 : 456)} -1} msg] $msg
-} {1 {syntax error in expression "(? 123 : 456)"}}
-test parseExpr-13.5 {ParsePrimaryExpr procedure, missing ")" after in parenthesized subexpr} {
+} {1 {syntax error in expression "(? 123 : 456)": unexpected ternary 'then' separator}}
+test parseExpr-15.5 {ParsePrimaryExpr procedure, missing ")" after in parenthesized subexpr} {
     list [catch {testexprparser {({abc}/{def}} -1} msg] $msg
-} {1 {syntax error in expression "({abc}/{def}"}}
-test parseExpr-13.6 {ParsePrimaryExpr procedure, primary is literal} {
+} {1 {syntax error in expression "({abc}/{def}": looking for close parenthesis}}
+test parseExpr-15.6 {ParsePrimaryExpr procedure, primary is literal} {
     testexprparser {12345} -1
 } {- {} 0 subexpr 12345 1 text 12345 0 {}}
-test parseExpr-13.7 {ParsePrimaryExpr procedure, primary is literal} {
+test parseExpr-15.7 {ParsePrimaryExpr procedure, primary is literal} {
     testexprparser {12345.6789} -1
 } {- {} 0 subexpr 12345.6789 1 text 12345.6789 0 {}}
-test parseExpr-13.8 {ParsePrimaryExpr procedure, primary is var reference} {
+test parseExpr-15.8 {ParsePrimaryExpr procedure, primary is var reference} {
     testexprparser {$a} -1
 } {- {} 0 subexpr {$a} 2 variable {$a} 1 text a 0 {}}
-test parseExpr-13.9 {ParsePrimaryExpr procedure, primary is var reference} {
+test parseExpr-15.9 {ParsePrimaryExpr procedure, primary is var reference} {
     testexprparser {$a(hello$there)} -1
 } {- {} 0 subexpr {$a(hello$there)} 5 variable {$a(hello$there)} 4 text a 0 text hello 0 variable {$there} 1 text there 0 {}}
-test parseExpr-13.10 {ParsePrimaryExpr procedure, primary is var reference} {
+test parseExpr-15.10 {ParsePrimaryExpr procedure, primary is var reference} {
     testexprparser {$a()} -1
 } {- {} 0 subexpr {$a()} 3 variable {$a()} 2 text a 0 text {} 0 {}}
-test parseExpr-13.11 {ParsePrimaryExpr procedure, error in var reference} {
+test parseExpr-15.11 {ParsePrimaryExpr procedure, error in var reference} {
     list [catch {testexprparser {$a(} -1} msg] $msg
 } {1 {missing )}}
-test parseExpr-13.12 {ParsePrimaryExpr procedure, primary is quoted string} {
+test parseExpr-15.12 {ParsePrimaryExpr procedure, primary is quoted string} {
     testexprparser {"abc $xyz def"} -1
 } {- {} 0 subexpr {"abc $xyz def"} 5 word {"abc $xyz def"} 4 text {abc } 0 variable {$xyz} 1 text xyz 0 text { def} 0 {}}
-test parseExpr-13.13 {ParsePrimaryExpr procedure, error in quoted string} {
+test parseExpr-15.13 {ParsePrimaryExpr procedure, error in quoted string} {
     list [catch {testexprparser {"$a(12"} -1} msg] $msg
 } {1 {missing )}}
-test parseExpr-13.14 {ParsePrimaryExpr procedure, quoted string has multiple tokens} {
+test parseExpr-15.14 {ParsePrimaryExpr procedure, quoted string has multiple tokens} {
     testexprparser {"abc [xyz] $def"} -1
 } {- {} 0 subexpr {"abc [xyz] $def"} 6 word {"abc [xyz] $def"} 5 text {abc } 0 command {[xyz]} 0 text { } 0 variable {$def} 1 text def 0 {}}
-test parseExpr-13.15 {ParsePrimaryExpr procedure, primary is command} {
+test parseExpr-15.15 {ParsePrimaryExpr procedure, primary is command} {
     testexprparser {[def]} -1
 } {- {} 0 subexpr {[def]} 1 command {[def]} 0 {}}
-test parseExpr-13.16 {ParsePrimaryExpr procedure, primary is multiple commands} {
+test parseExpr-15.16 {ParsePrimaryExpr procedure, primary is multiple commands} {
     testexprparser {[one; two; three; four;]} -1
 } {- {} 0 subexpr {[one; two; three; four;]} 1 command {[one; two; three; four;]} 0 {}}
-test parseExpr-13.17 {ParsePrimaryExpr procedure, primary is multiple commands} {
+test parseExpr-15.17 {ParsePrimaryExpr procedure, primary is multiple commands} {
     testexprparser {[one; two; three; four;]} -1
 } {- {} 0 subexpr {[one; two; three; four;]} 1 command {[one; two; three; four;]} 0 {}}
-test parseExpr-13.18 {ParsePrimaryExpr procedure, missing close bracket} {
+test parseExpr-15.18 {ParsePrimaryExpr procedure, missing close bracket} {
     list [catch {testexprparser {[one} -1} msg] $msg
 } {1 {missing close-bracket}}
-test parseExpr-13.19 {ParsePrimaryExpr procedure, primary is braced string} {
+test parseExpr-15.19 {ParsePrimaryExpr procedure, primary is braced string} {
     testexprparser {{hello world}} -1
 } {- {} 0 subexpr {{hello world}} 1 text {hello world} 0 {}}
-test parseExpr-13.20 {ParsePrimaryExpr procedure, error in primary, which is braced string} {
+test parseExpr-15.20 {ParsePrimaryExpr procedure, error in primary, which is braced string} {
     list [catch {testexprparser "\{abc\\\n" -1} msg] $msg
 } {1 {missing close-brace}}
-test parseExpr-13.21 {ParsePrimaryExpr procedure, primary is braced string with multiple tokens} {
+test parseExpr-15.21 {ParsePrimaryExpr procedure, primary is braced string with multiple tokens} {
     testexprparser "\{  \\
  +123 \}" -1
 } {- {} 0 subexpr \{\ \ \\\n\ +123\ \} 4 word \{\ \ \\\n\ +123\ \} 3 text {  } 0 backslash \\\n\  0 text {+123 } 0 {}}
-test parseExpr-13.22 {ParsePrimaryExpr procedure, primary is function call} {
+test parseExpr-15.22 {ParsePrimaryExpr procedure, primary is function call} {
     testexprparser {foo(123)} -1
 } {- {} 0 subexpr foo(123) 3 operator foo 0 subexpr 123 1 text 123 0 {}}
-test parseExpr-13.23 {ParsePrimaryExpr procedure, bad lexeme after function name} {nonPortable} {
+test parseExpr-15.23 {ParsePrimaryExpr procedure, bad lexeme after function name} {wideIntegerUnparsed} {
     list [catch {testexprparser {foo 12345678901234567890 123)} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-13.24 {ParsePrimaryExpr procedure, lexeme after function name isn't "("} {
+test parseExpr-15.24 {ParsePrimaryExpr procedure, lexeme after function name isn't "("} {
     list [catch {testexprparser {foo 27.4 123)} -1} msg] $msg
-} {1 {syntax error in expression "foo 27.4 123)"}}
-test parseExpr-13.25 {ParsePrimaryExpr procedure, bad lexeme after "("} {nonPortable} {
+} {1 {syntax error in expression "foo 27.4 123)": expected a parenthesis enclosing function arguments}}
+test parseExpr-15.25 {ParsePrimaryExpr procedure, bad lexeme after "("} {wideIntegerUnparsed} {
     list [catch {testexprparser {foo(12345678901234567890)} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-13.26 {ParsePrimaryExpr procedure, function call, one arg} {
+test parseExpr-15.26 {ParsePrimaryExpr procedure, function call, one arg} {
     testexprparser {foo(27*4)} -1
 } {- {} 0 subexpr foo(27*4) 7 operator foo 0 subexpr 27*4 5 operator * 0 subexpr 27 1 text 27 0 subexpr 4 1 text 4 0 {}}
-test parseExpr-13.27 {ParsePrimaryExpr procedure, error in function arg} {
+test parseExpr-15.27 {ParsePrimaryExpr procedure, error in function arg} {
     list [catch {testexprparser {foo(*1-2)} -1} msg] $msg
-} {1 {syntax error in expression "foo(*1-2)"}}
-test parseExpr-13.28 {ParsePrimaryExpr procedure, error in function arg} {
+} {1 {syntax error in expression "foo(*1-2)": unexpected operator}}
+test parseExpr-15.28 {ParsePrimaryExpr procedure, error in function arg} {
     list [catch {testexprparser {foo(*1-2)} -1} msg] $msg
-} {1 {syntax error in expression "foo(*1-2)"}}
-test parseExpr-13.29 {ParsePrimaryExpr procedure, function call, comma after arg} {
+} {1 {syntax error in expression "foo(*1-2)": unexpected operator}}
+test parseExpr-15.29 {ParsePrimaryExpr procedure, function call, comma after arg} {
     testexprparser {foo(27-2, (-2*[foo]))} -1
 } {- {} 0 subexpr {foo(27-2, (-2*[foo]))} 15 operator foo 0 subexpr 27-2 5 operator - 0 subexpr 27 1 text 27 0 subexpr 2 1 text 2 0 subexpr {-2*[foo]} 7 operator * 0 subexpr -2 3 operator - 0 subexpr 2 1 text 2 0 subexpr {[foo]} 1 command {[foo]} 0 {}}
-test parseExpr-13.30 {ParsePrimaryExpr procedure, bad lexeme after comma} {nonPortable} {
+test parseExpr-15.30 {ParsePrimaryExpr procedure, bad lexeme after comma} {wideIntegerUnparsed} {
     list [catch {testexprparser {foo(123, 12345678901234567890)} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-13.31 {ParsePrimaryExpr procedure, lexeme not "," or ")" after arg} {
+test parseExpr-15.31 {ParsePrimaryExpr procedure, lexeme not "," or ")" after arg} {
     list [catch {testexprparser {foo(123 [foo])} -1} msg] $msg
-} {1 {syntax error in expression "foo(123 [foo])"}}
-test parseExpr-13.32 {ParsePrimaryExpr procedure, bad lexeme after primary} {nonPortable} {
+} {1 {syntax error in expression "foo(123 [foo])": missing close parenthesis at end of function call}}
+test parseExpr-15.32 {ParsePrimaryExpr procedure, bad lexeme after primary} {wideIntegerUnparsed} {
     list [catch {testexprparser {123 12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
-
-test parseExpr-14.1 {GetLexeme procedure, whitespace before lexeme} {
+test parseExpr-15.33 {ParsePrimaryExpr procedure, comma-specific message} {
+    list [catch {testexprparser {123+,456} -1} msg] $msg
+} {1 {syntax error in expression "123+,456": commas can only separate function arguments}}
+test parseExpr-15.34 {ParsePrimaryExpr procedure, single equal-specific message} {
+    list [catch {testexprparser {123+=456} -1} msg] $msg
+} {1 {syntax error in expression "123+=456": single equality character not legal in expressions}}
+test parseExpr-15.35 {ParsePrimaryExpr procedure, error in parenthesized subexpr} {
+    list [catch {testexprparser {(: 123 : 456)} -1} msg] $msg
+} {1 {syntax error in expression "(: 123 : 456)": unexpected ternary 'else' separator}}
+
+test parseExpr-16.1 {GetLexeme procedure, whitespace before lexeme} {
     testexprparser {   123} -1
 } {- {} 0 subexpr 123 1 text 123 0 {}}
-test parseExpr-14.2 {GetLexeme procedure, whitespace before lexeme} {
+test parseExpr-16.2 {GetLexeme procedure, whitespace before lexeme} {
     testexprparser {  \
 456} -1
 } {- {} 0 subexpr 456 1 text 456 0 {}}
-test parseExpr-14.3 {GetLexeme procedure, no lexeme after whitespace} {
+test parseExpr-16.3 {GetLexeme procedure, no lexeme after whitespace} {
     testexprparser { 123 \
    } -1
 } {- {} 0 subexpr 123 1 text 123 0 {}}
-test parseExpr-14.4 {GetLexeme procedure, integer lexeme} {
+test parseExpr-16.4 {GetLexeme procedure, integer lexeme} {
     testexprparser {000} -1
 } {- {} 0 subexpr 000 1 text 000 0 {}}
-test parseExpr-14.5 {GetLexeme procedure, integer lexeme too big} {nonPortable} {
+test parseExpr-16.5 {GetLexeme procedure, integer lexeme too big} {wideIntegerUnparsed} {
     list [catch {testexprparser {12345678901234567890} -1} msg] $msg
 } {1 {integer value too large to represent}}
-test parseExpr-14.6 {GetLexeme procedure, bad integer lexeme} {
+test parseExpr-16.6 {GetLexeme procedure, bad integer lexeme} {
     list [catch {testexprparser {0999} -1} msg] $msg
 } {1 {"0999" is an invalid octal number}}
-test parseExpr-14.7 {GetLexeme procedure, double lexeme} {
+test parseExpr-16.7 {GetLexeme procedure, double lexeme} {
     testexprparser {0.999} -1
 } {- {} 0 subexpr 0.999 1 text 0.999 0 {}}
-test parseExpr-14.8 {GetLexeme procedure, double lexeme} {
+test parseExpr-16.8 {GetLexeme procedure, double lexeme} {
     testexprparser {.123} -1
 } {- {} 0 subexpr .123 1 text .123 0 {}}
-test parseExpr-14.9 {GetLexeme procedure, double lexeme} {nonPortable unixOnly} {
+test parseExpr-16.9 {GetLexeme procedure, double lexeme} {nonPortable unixOnly} {
     testexprparser {nan} -1
 } {- {} 0 subexpr nan 1 text nan 0 {}}
-test parseExpr-14.10 {GetLexeme procedure, double lexeme} {nonPortable unixOnly} {
+test parseExpr-16.10 {GetLexeme procedure, double lexeme} {nonPortable unixOnly} {
     testexprparser {NaN} -1
 } {- {} 0 subexpr NaN 1 text NaN 0 {}}
-test parseExpr-14.11 {GetLexeme procedure, bad double lexeme too big} {
+test parseExpr-16.11 {GetLexeme procedure, bad double lexeme too big} {
     list [catch {testexprparser {123.e+99999999999999} -1} msg] $msg
 } {1 {floating-point value too large to represent}}
-test parseExpr-14.12 {GetLexeme procedure, bad double lexeme} {
+test parseExpr-16.12 {GetLexeme procedure, bad double lexeme} {
     list [catch {testexprparser {123.4x56} -1} msg] $msg
-} {1 {syntax error in expression "123.4x56"}}
-test parseExpr-14.13 {GetLexeme procedure, lexeme is "["} {
+} {1 {syntax error in expression "123.4x56": extra tokens at end of expression}}
+test parseExpr-16.13 {GetLexeme procedure, lexeme is "["} {
     testexprparser {[foo]} -1
 } {- {} 0 subexpr {[foo]} 1 command {[foo]} 0 {}}
-test parseExpr-14.14 {GetLexeme procedure, lexeme is open brace} {
+test parseExpr-16.14 {GetLexeme procedure, lexeme is open brace} {
     testexprparser {{bar}} -1
 } {- {} 0 subexpr {{bar}} 1 text bar 0 {}}
-test parseExpr-14.15 {GetLexeme procedure, lexeme is "("} {
+test parseExpr-16.15 {GetLexeme procedure, lexeme is "("} {
     testexprparser {(123)} -1
 } {- {} 0 subexpr 123 1 text 123 0 {}}
-test parseExpr-14.16 {GetLexeme procedure, lexeme is ")"} {
+test parseExpr-16.16 {GetLexeme procedure, lexeme is ")"} {
     testexprparser {(2*3)} -1
 } {- {} 0 subexpr 2*3 5 operator * 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.17 {GetLexeme procedure, lexeme is "$"} {
+test parseExpr-16.17 {GetLexeme procedure, lexeme is "$"} {
     testexprparser {$wombat} -1
 } {- {} 0 subexpr {$wombat} 2 variable {$wombat} 1 text wombat 0 {}}
-test parseExpr-14.18 {GetLexeme procedure, lexeme is '"'} {
+test parseExpr-16.18 "GetLexeme procedure, lexeme is '\"'" {
     testexprparser {"fred"} -1
 } {- {} 0 subexpr {"fred"} 1 text fred 0 {}}
-test parseExpr-14.19 {GetLexeme procedure, lexeme is ","} {
+test parseExpr-16.19 {GetLexeme procedure, lexeme is ","} {
     testexprparser {foo(1,2)} -1
 } {- {} 0 subexpr foo(1,2) 5 operator foo 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-14.20 {GetLexeme procedure, lexeme is "*"} {
+test parseExpr-16.20 {GetLexeme procedure, lexeme is "*"} {
     testexprparser {$a*$b} -1
 } {- {} 0 subexpr {$a*$b} 7 operator * 0 subexpr {$a} 2 variable {$a} 1 text a 0 subexpr {$b} 2 variable {$b} 1 text b 0 {}}
-test parseExpr-14.21 {GetLexeme procedure, lexeme is "/"} {
+test parseExpr-16.21 {GetLexeme procedure, lexeme is "/"} {
     testexprparser {5/6} -1
 } {- {} 0 subexpr 5/6 5 operator / 0 subexpr 5 1 text 5 0 subexpr 6 1 text 6 0 {}}
-test parseExpr-14.22 {GetLexeme procedure, lexeme is "%"} {
+test parseExpr-16.22 {GetLexeme procedure, lexeme is "%"} {
     testexprparser {5%[xxx]} -1
 } {- {} 0 subexpr {5%[xxx]} 5 operator % 0 subexpr 5 1 text 5 0 subexpr {[xxx]} 1 command {[xxx]} 0 {}}
-test parseExpr-14.23 {GetLexeme procedure, lexeme is "+"} {
+test parseExpr-16.23 {GetLexeme procedure, lexeme is "+"} {
     testexprparser {1+2} -1
 } {- {} 0 subexpr 1+2 5 operator + 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-14.24 {GetLexeme procedure, lexeme is "-"} {
+test parseExpr-16.24 {GetLexeme procedure, lexeme is "-"} {
     testexprparser {.12-0e27} -1
 } {- {} 0 subexpr .12-0e27 5 operator - 0 subexpr .12 1 text .12 0 subexpr 0e27 1 text 0e27 0 {}}
-test parseExpr-14.25 {GetLexeme procedure, lexeme is "?" or ":"} {
+test parseExpr-16.25 {GetLexeme procedure, lexeme is "?" or ":"} {
     testexprparser {$b? 1 : 0} -1
 } {- {} 0 subexpr {$b? 1 : 0} 8 operator ? 0 subexpr {$b} 2 variable {$b} 1 text b 0 subexpr 1 1 text 1 0 subexpr 0 1 text 0 0 {}}
-test parseExpr-14.26 {GetLexeme procedure, lexeme is "<"} {
+test parseExpr-16.26 {GetLexeme procedure, lexeme is "<"} {
     testexprparser {2<3} -1
 } {- {} 0 subexpr 2<3 5 operator < 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.27 {GetLexeme procedure, lexeme is "<<"} {
+test parseExpr-16.27 {GetLexeme procedure, lexeme is "<<"} {
     testexprparser {2<<3} -1
 } {- {} 0 subexpr 2<<3 5 operator << 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.28 {GetLexeme procedure, lexeme is "<="} {
+test parseExpr-16.28 {GetLexeme procedure, lexeme is "<="} {
     testexprparser {2<=3} -1
 } {- {} 0 subexpr 2<=3 5 operator <= 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.29 {GetLexeme procedure, lexeme is ">"} {
+test parseExpr-16.29 {GetLexeme procedure, lexeme is ">"} {
     testexprparser {2>3} -1
 } {- {} 0 subexpr 2>3 5 operator > 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.30 {GetLexeme procedure, lexeme is ">>"} {
+test parseExpr-16.30 {GetLexeme procedure, lexeme is ">>"} {
     testexprparser {2>>3} -1
 } {- {} 0 subexpr 2>>3 5 operator >> 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.31 {GetLexeme procedure, lexeme is ">="} {
+test parseExpr-16.31 {GetLexeme procedure, lexeme is ">="} {
     testexprparser {2>=3} -1
 } {- {} 0 subexpr 2>=3 5 operator >= 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.32 {GetLexeme procedure, lexeme is "=="} {
+test parseExpr-16.32 {GetLexeme procedure, lexeme is "=="} {
     testexprparser {2==3} -1
 } {- {} 0 subexpr 2==3 5 operator == 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.33 {GetLexeme procedure, bad lexeme starting with "="} {
+test parseExpr-16.33 {GetLexeme procedure, bad lexeme starting with "="} {
     list [catch {testexprparser {2=+3} -1} msg] $msg
-} {1 {syntax error in expression "2=+3"}}
-test parseExpr-14.34 {GetLexeme procedure, lexeme is "!="} {
+} {1 {syntax error in expression "2=+3": extra tokens at end of expression}}
+test parseExpr-16.34 {GetLexeme procedure, lexeme is "!="} {
     testexprparser {2!=3} -1
 } {- {} 0 subexpr 2!=3 5 operator != 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.35 {GetLexeme procedure, lexeme is "!"} {
+test parseExpr-16.35 {GetLexeme procedure, lexeme is "!"} {
     testexprparser {!2} -1
 } {- {} 0 subexpr !2 3 operator ! 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-14.36 {GetLexeme procedure, lexeme is "&&"} {
+test parseExpr-16.36 {GetLexeme procedure, lexeme is "&&"} {
     testexprparser {2&&3} -1
 } {- {} 0 subexpr 2&&3 5 operator && 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.37 {GetLexeme procedure, lexeme is "&"} {
+test parseExpr-16.37 {GetLexeme procedure, lexeme is "&"} {
     testexprparser {1&2} -1
 } {- {} 0 subexpr 1&2 5 operator & 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-14.38 {GetLexeme procedure, lexeme is "^"} {
+test parseExpr-16.38 {GetLexeme procedure, lexeme is "^"} {
     testexprparser {1^2} -1
 } {- {} 0 subexpr 1^2 5 operator ^ 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-14.39 {GetLexeme procedure, lexeme is "||"} {
+test parseExpr-16.39 {GetLexeme procedure, lexeme is "||"} {
     testexprparser {2||3} -1
 } {- {} 0 subexpr 2||3 5 operator || 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.40 {GetLexeme procedure, lexeme is "|"} {
+test parseExpr-16.40 {GetLexeme procedure, lexeme is "|"} {
     testexprparser {1|2} -1
 } {- {} 0 subexpr 1|2 5 operator | 0 subexpr 1 1 text 1 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-14.41 {GetLexeme procedure, lexeme is "~"} {
+test parseExpr-16.41 {GetLexeme procedure, lexeme is "~"} {
     testexprparser {~2} -1
 } {- {} 0 subexpr ~2 3 operator ~ 0 subexpr 2 1 text 2 0 {}}
-test parseExpr-14.42 {GetLexeme procedure, lexeme is func name} {
+test parseExpr-16.42 {GetLexeme procedure, lexeme is func name} {
     testexprparser {george()} -1
 } {- {} 0 subexpr george() 1 operator george 0 {}}
-test parseExpr-14.43 {GetLexeme procedure, lexeme is func name} {
+test parseExpr-16.43 {GetLexeme procedure, lexeme is func name} {
     testexprparser {harmonic_ratio(2,3)} -1
 } {- {} 0 subexpr harmonic_ratio(2,3) 5 operator harmonic_ratio 0 subexpr 2 1 text 2 0 subexpr 3 1 text 3 0 {}}
-test parseExpr-14.44 {GetLexeme procedure, unknown lexeme} {
+test parseExpr-16.44 {GetLexeme procedure, unknown lexeme} {
     list [catch {testexprparser {@27} -1} msg] $msg
-} {1 {syntax error in expression "@27"}}
+} {1 {syntax error in expression "@27": character not legal in expressions}}
 
-test parseExpr-15.1 {PrependSubExprTokens procedure, expand token array} {
+test parseExpr-17.1 {PrependSubExprTokens procedure, expand token array} {
     testexprparser {[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]} -1
 } {- {} 0 subexpr {[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]} 13 operator && 0 subexpr {[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]} 9 operator && 0 subexpr {[string compare [format %c $i] [string index $a $i]]&&[string compare [format %c $i] [string index $a $i]]} 5 operator && 0 subexpr {[string compare [format %c $i] [string index $a $i]]} 1 command {[string compare [format %c $i] [string index $a $i]]} 0 subexpr {[string compare [format %c $i] [string index $a $i]]} 1 command {[string compare [format %c $i] [string index $a $i]]} 0 subexpr {[string compare [format %c $i] [string index $a $i]]} 1 command {[string compare [format %c $i] [string index $a $i]]} 0 subexpr {[string compare [format %c $i] [string index $a $i]]} 1 command {[string compare [format %c $i] [string index $a $i]]} 0 {}}
 
-test parse-16.1 {LogSyntaxError procedure, error in expr longer than 60 chars} {
+test parseExpr-18.1 {LogSyntaxError procedure, error in expr longer than 60 chars} {
     list [catch {testexprparser {(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)/} -1} msg] $msg
-} {1 {syntax error in expression "(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+012"}}
+} {1 {syntax error in expression "(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+0123456)*(+012...": premature end of expression}}
 
 # cleanup
 ::tcltest::cleanupTests
 return
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/tests/while.test b/tests/while.test
index b10afdc..2fb396f 100644
--- a/tests/while.test
+++ b/tests/while.test
@@ -10,7 +10,7 @@
 # See the file "license.terms" for information on usage and redistribution
 # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 #
-# RCS: @(#) $Id: while.test,v 1.7 2001/09/19 18:17:54 hobbs Exp $
+# RCS: @(#) $Id: while.test,v 1.8 2001/12/04 15:36:29 dkf Exp $
 
 if {[lsearch [namespace children] ::tcltest] == -1} {
     package require tcltest
@@ -30,7 +30,7 @@ test while-1.2 {TclCompileWhileCmd: error in test expression} {
     set i 0
     catch {while {$i<} break} msg
     set errorInfo
-} {syntax error in expression "$i<"
+} {syntax error in expression "$i<": premature end of expression
     ("while" test expression)
     while compiling
 "while {$i<} break"}
@@ -310,7 +310,7 @@ test while-4.3 {while (not compiled): error in test expression} {
     set z while
     catch {$z {$i<} {set x 1}} msg
     set errorInfo
-} {syntax error in expression "$i<"
+} {syntax error in expression "$i<": premature end of expression
     while executing
 "$z {$i<} {set x 1}"}
 test while-4.4 {while (not compiled): error in test expression} {
@@ -627,15 +627,3 @@ test while-7.1 {delayed substitution of body} {
 # cleanup
 ::tcltest::cleanupTests
 return
-
-
-
-
-
-
-
-
-
-
-
-