Update version to 1.8.21-pre1

9 files changed, 92 insertions, 92 deletions

diff --git a/README.txt b/README.txt
index 7599422..1dac361 100644
--- a/README.txt
+++ b/README.txt
@@ -1,4 +1,4 @@
-HDF5 version 1.8.21-snap13 currently under development
+HDF5 version 1.8.21-pre1 currently under development
 Please refer to the release_docs/INSTALL file for installation instructions.
 ------------------------------------------------------------------------------
 
diff --git a/c++/src/cpp_doc_config b/c++/src/cpp_doc_config
index 9dd545d..1571b43 100644
--- a/c++/src/cpp_doc_config
+++ b/c++/src/cpp_doc_config
@@ -49,7 +49,7 @@ PROJECT_NAME           = "HDF5 C++ API"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "1.8.21-snap13, currently under development"
+PROJECT_NUMBER         = "1.8.21-pre1, currently under development"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/config/cmake/scripts/HDF5config.cmake b/config/cmake/scripts/HDF5config.cmake
index d06ed0b..9d427ec 100755
--- a/config/cmake/scripts/HDF5config.cmake
+++ b/config/cmake/scripts/HDF5config.cmake
@@ -35,7 +35,7 @@ cmake_minimum_required (VERSION 3.10)
 ##############################################################################

 

 set (CTEST_SOURCE_VERSION "1.8.21")

-set (CTEST_SOURCE_VERSEXT "-snap13")

+set (CTEST_SOURCE_VERSEXT "-pre1")

 

 ##############################################################################

 # handle input parameters to script.

diff --git a/configure b/configure
index 28832d8..c4d9c63 100755
--- a/configure
+++ b/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 # From configure.ac Id.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for HDF5 1.8.21-snap13.
+# Generated by GNU Autoconf 2.69 for HDF5 1.8.21-pre1.
 #
 # Report bugs to <help@hdfgroup.org>.
 #
@@ -591,8 +591,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='HDF5'
 PACKAGE_TARNAME='hdf5'
-PACKAGE_VERSION='1.8.21-snap13'
-PACKAGE_STRING='HDF5 1.8.21-snap13'
+PACKAGE_VERSION='1.8.21-pre1'
+PACKAGE_STRING='HDF5 1.8.21-pre1'
 PACKAGE_BUGREPORT='help@hdfgroup.org'
 PACKAGE_URL=''
 
@@ -1480,7 +1480,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures HDF5 1.8.21-snap13 to adapt to many kinds of systems.
+\`configure' configures HDF5 1.8.21-pre1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1550,7 +1550,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of HDF5 1.8.21-snap13:";;
+     short | recursive ) echo "Configuration of HDF5 1.8.21-pre1:";;
    esac
   cat <<\_ACEOF
 
@@ -1745,7 +1745,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-HDF5 configure 1.8.21-snap13
+HDF5 configure 1.8.21-pre1
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2682,7 +2682,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by HDF5 $as_me 1.8.21-snap13, which was
+It was created by HDF5 $as_me 1.8.21-pre1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3553,7 +3553,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='hdf5'
- VERSION='1.8.21-snap13'
+ VERSION='1.8.21-pre1'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -29313,7 +29313,7 @@ Usage: $0 [OPTIONS]
 Report bugs to <bug-libtool@gnu.org>."
 
 lt_cl_version="\
-HDF5 config.lt 1.8.21-snap13
+HDF5 config.lt 1.8.21-pre1
 configured by $0, generated by GNU Autoconf 2.69.
 
 Copyright (C) 2011 Free Software Foundation, Inc.
@@ -31373,7 +31373,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by HDF5 $as_me 1.8.21-snap13, which was
+This file was extended by HDF5 $as_me 1.8.21-pre1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -31439,7 +31439,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-HDF5 config.status 1.8.21-snap13
+HDF5 config.status 1.8.21-pre1
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 59494d4..18b215a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,7 +24,7 @@ AC_PREREQ([2.69])
 ## NOTE: Do not forget to change the version number here when we do a
 ## release!!!
 ##
-AC_INIT([HDF5], [1.8.21-snap13], [help@hdfgroup.org])
+AC_INIT([HDF5], [1.8.21-pre1], [help@hdfgroup.org])
 AC_CONFIG_SRCDIR([src/H5.c])
 AC_CONFIG_HEADERS([src/H5config.h])
 
diff --git a/hl/src/H5LTparse.c b/hl/src/H5LTparse.c
index 2a0f267..16a0bcf 100644
--- a/hl/src/H5LTparse.c
+++ b/hl/src/H5LTparse.c
@@ -1641,229 +1641,229 @@ yyreduce:
   switch (yyn)
     {
         case 2:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 99 "H5LTparse.y"
     { memset(arr_stack, 0, STACK_SIZE*sizeof(struct arr_info)); /*initialize here?*/ }
     break;
 
   case 3:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 100 "H5LTparse.y"
     { return (yyval.hid);}
     break;
 
   case 13:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 114 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I8BE); }
     break;
 
   case 14:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 115 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I8LE); }
     break;
 
   case 15:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 116 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I16BE); }
     break;
 
   case 16:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 117 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I16LE); }
     break;
 
   case 17:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 118 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I32BE); }
     break;
 
   case 18:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 119 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I32LE); }
     break;
 
   case 19:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 120 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I64BE); }
     break;
 
   case 20:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 121 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_I64LE); }
     break;
 
   case 21:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 122 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U8BE); }
     break;
 
   case 22:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 123 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U8LE); }
     break;
 
   case 23:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 124 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U16BE); }
     break;
 
   case 24:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 125 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U16LE); }
     break;
 
   case 25:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 126 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U32BE); }
     break;
 
   case 26:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 127 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U32LE); }
     break;
 
   case 27:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 128 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U64BE); }
     break;
 
   case 28:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 129 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_STD_U64LE); }
     break;
 
   case 29:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 130 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_CHAR); }
     break;
 
   case 30:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 131 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_SCHAR); }
     break;
 
   case 31:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 132 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_UCHAR); }
     break;
 
   case 32:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 133 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_SHORT); }
     break;
 
   case 33:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 134 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_USHORT); }
     break;
 
   case 34:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 135 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_INT); }
     break;
 
   case 35:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 136 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_UINT); }
     break;
 
   case 36:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 137 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_LONG); }
     break;
 
   case 37:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 138 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_ULONG); }
     break;
 
   case 38:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 139 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_LLONG); }
     break;
 
   case 39:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 140 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_ULLONG); }
     break;
 
   case 40:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 143 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_IEEE_F32BE); }
     break;
 
   case 41:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 144 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_IEEE_F32LE); }
     break;
 
   case 42:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 145 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_IEEE_F64BE); }
     break;
 
   case 43:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 146 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_IEEE_F64LE); }
     break;
 
   case 44:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 147 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_FLOAT); }
     break;
 
   case 45:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 148 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_DOUBLE); }
     break;
 
   case 46:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 149 "H5LTparse.y"
     { (yyval.hid) = H5Tcopy(H5T_NATIVE_LDOUBLE); }
     break;
 
   case 47:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 153 "H5LTparse.y"
     { csindex++; cmpd_stack[csindex].id = H5Tcreate(H5T_COMPOUND, 1); /*temporarily set size to 1*/ }
     break;
 
   case 48:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 155 "H5LTparse.y"
     { (yyval.hid) = cmpd_stack[csindex].id; 
                               cmpd_stack[csindex].id = 0;
@@ -1873,13 +1873,13 @@ yyreduce:
     break;
 
   case 51:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 164 "H5LTparse.y"
     { cmpd_stack[csindex].is_field = 1; /*notify lexer a compound member is parsed*/ }
     break;
 
   case 52:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 166 "H5LTparse.y"
     {   
                             size_t origin_size, new_size;
@@ -1915,7 +1915,7 @@ yyreduce:
     break;
 
   case 53:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 199 "H5LTparse.y"
     {
                             (yyval.sval) = yylval.sval;
@@ -1923,25 +1923,25 @@ yyreduce:
     break;
 
   case 54:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 204 "H5LTparse.y"
     { (yyval.ival) = 0; }
     break;
 
   case 55:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 206 "H5LTparse.y"
     { (yyval.ival) = yylval.ival; }
     break;
 
   case 57:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 210 "H5LTparse.y"
     { asindex++; /*pushd onto the stack*/ }
     break;
 
   case 58:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 212 "H5LTparse.y"
     { 
                           (yyval.hid) = H5Tarray_create2((yyvsp[(5) - (6)].hid), arr_stack[asindex].ndims, arr_stack[asindex].dims);
@@ -1952,13 +1952,13 @@ yyreduce:
     break;
 
   case 61:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 222 "H5LTparse.y"
     { arr_stack[asindex].is_dim = 1; /*notice lexer of dimension size*/ }
     break;
 
   case 62:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 223 "H5LTparse.y"
     { unsigned ndims = arr_stack[asindex].ndims;
                                   arr_stack[asindex].dims[ndims] = (hsize_t)yylval.ival; 
@@ -1968,19 +1968,19 @@ yyreduce:
     break;
 
   case 65:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 234 "H5LTparse.y"
     { (yyval.hid) = H5Tvlen_create((yyvsp[(3) - (4)].hid)); H5Tclose((yyvsp[(3) - (4)].hid)); }
     break;
 
   case 66:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 239 "H5LTparse.y"
     { is_opq_size = 1; }
     break;
 
   case 67:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 240 "H5LTparse.y"
     {   
                                 size_t size = (size_t)yylval.ival;
@@ -1990,13 +1990,13 @@ yyreduce:
     break;
 
   case 68:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 245 "H5LTparse.y"
     { is_opq_tag = 1; }
     break;
 
   case 69:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 246 "H5LTparse.y"
     {  
                                 H5Tset_tag((yyvsp[(7) - (13)].hid), yylval.sval);
@@ -2005,19 +2005,19 @@ yyreduce:
     break;
 
   case 70:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 250 "H5LTparse.y"
     { (yyval.hid) = (yyvsp[(7) - (15)].hid); }
     break;
 
   case 73:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 258 "H5LTparse.y"
     { is_str_size = 1; }
     break;
 
   case 74:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 259 "H5LTparse.y"
     {  
                                 if((yyvsp[(5) - (6)].ival) == H5T_VARIABLE_TOKEN)
@@ -2029,7 +2029,7 @@ yyreduce:
     break;
 
   case 75:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 267 "H5LTparse.y"
     {
                                 if((yyvsp[(9) - (10)].ival) == H5T_STR_NULLTERM_TOKEN)
@@ -2042,7 +2042,7 @@ yyreduce:
     break;
 
   case 76:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 276 "H5LTparse.y"
     {  
                                 if((yyvsp[(13) - (14)].ival) == H5T_CSET_ASCII_TOKEN)
@@ -2053,7 +2053,7 @@ yyreduce:
     break;
 
   case 77:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 283 "H5LTparse.y"
     {
                                 if((yyvsp[(17) - (18)].hid) == H5T_C_S1_TOKEN)
@@ -2064,7 +2064,7 @@ yyreduce:
     break;
 
   case 78:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 290 "H5LTparse.y"
     {   
                                 hid_t str_id = (yyvsp[(19) - (20)].hid);
@@ -2085,67 +2085,67 @@ yyreduce:
     break;
 
   case 79:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 307 "H5LTparse.y"
     {(yyval.ival) = H5T_VARIABLE_TOKEN;}
     break;
 
   case 81:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 310 "H5LTparse.y"
     {(yyval.ival) = H5T_STR_NULLTERM_TOKEN;}
     break;
 
   case 82:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 311 "H5LTparse.y"
     {(yyval.ival) = H5T_STR_NULLPAD_TOKEN;}
     break;
 
   case 83:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 312 "H5LTparse.y"
     {(yyval.ival) = H5T_STR_SPACEPAD_TOKEN;}
     break;
 
   case 84:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 314 "H5LTparse.y"
     {(yyval.ival) = H5T_CSET_ASCII_TOKEN;}
     break;
 
   case 85:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 315 "H5LTparse.y"
     {(yyval.ival) = H5T_CSET_UTF8_TOKEN;}
     break;
 
   case 86:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 317 "H5LTparse.y"
     {(yyval.hid) = H5T_C_S1_TOKEN;}
     break;
 
   case 87:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 318 "H5LTparse.y"
     {(yyval.hid) = H5T_FORTRAN_S1_TOKEN;}
     break;
 
   case 88:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 322 "H5LTparse.y"
     { is_enum = 1; enum_id = H5Tenum_create((yyvsp[(3) - (4)].hid)); H5Tclose((yyvsp[(3) - (4)].hid)); }
     break;
 
   case 89:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 324 "H5LTparse.y"
     { is_enum = 0; /*reset*/ (yyval.hid) = enum_id; }
     break;
 
   case 92:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 329 "H5LTparse.y"
     {
                                                 is_enum_memb = 1; /*indicate member of enum*/
@@ -2158,7 +2158,7 @@ yyreduce:
     break;
 
   case 93:
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 338 "H5LTparse.y"
     {
                                 char char_val=(char)yylval.ival;
@@ -2205,7 +2205,7 @@ yyreduce:
     break;
 
 
-/* Line 1807 of yacc.c  */
+/* Line 1792 of yacc.c  */
 #line 2191 "H5LTparse.c"
       default: break;
     }
diff --git a/hl/src/H5LTparse.h b/hl/src/H5LTparse.h
index 2af0172..7481a45 100644
--- a/hl/src/H5LTparse.h
+++ b/hl/src/H5LTparse.h
@@ -109,7 +109,7 @@ extern int H5LTyydebug;
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
 {
-/* Line 2065 of yacc.c  */
+/* Line 2058 of yacc.c  */
 #line 66 "H5LTparse.y"
 
     int     ival;         /*for integer token*/
@@ -117,7 +117,7 @@ typedef union YYSTYPE
     hid_t   hid;          /*for hid_t token*/
 
 
-/* Line 2065 of yacc.c  */
+/* Line 2058 of yacc.c  */
 #line 122 "H5LTparse.h"
 } YYSTYPE;
 # define YYSTYPE_IS_TRIVIAL 1
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index ad06d40..7b3e556 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -1,4 +1,4 @@
-HDF5 version 1.8.21-snap13 currently under development
+HDF5 version 1.8.21-pre1 currently under development
 ================================================================================
 
 INTRODUCTION
diff --git a/src/H5public.h b/src/H5public.h
index 6007f16..8a3a936 100644
--- a/src/H5public.h
+++ b/src/H5public.h
@@ -93,9 +93,9 @@ extern "C" {
 #define H5_VERS_MAJOR	1	/* For major interface/format changes  	     */
 #define H5_VERS_MINOR	8	/* For minor interface/format changes  	     */
 #define H5_VERS_RELEASE	21	/* For tweaks, bug-fixes, or development     */
-#define H5_VERS_SUBRELEASE "snap13"	/* For pre-releases like snap0       */
+#define H5_VERS_SUBRELEASE "pre1"	/* For pre-releases like snap0       */
 				/* Empty string for real releases.           */
-#define H5_VERS_INFO    "HDF5 library version: 1.8.21-snap13"      /* Full version string */
+#define H5_VERS_INFO    "HDF5 library version: 1.8.21-pre1"      /* Full version string */
 
 #define H5check()	H5check_version(H5_VERS_MAJOR,H5_VERS_MINOR,	      \
 				        H5_VERS_RELEASE)