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Changes in version 1.75e: |
Changes in version 1.75e: |
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* If the user does not define YYSTYPE as a macro, Bison now declares it |
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using typedef instead of defining it as a macro. POSIX requires this. |
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For consistency, YYLTYPE is also declared instead of defined. |
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* %union directives can now have a tag before the `{', e.g., the |
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directive `%union foo {...}' now generates the C code |
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`typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility. |
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The default union tag is `YYSTYPE', for compatibility with Solaris 9 Yacc. |
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For consistency, YYLTYPE's struct tag is now `YYLTYPE' instead of `yyltype'. |
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* `yystype' and `yyltype' are now obsolescent macros instead of being |
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typedefs or tags; they are no longer documented and will be |
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withdrawn in a future release. |
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* References to the experimental %lex-param and %parse-param directives |
* References to the experimental %lex-param and %parse-param directives |
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have been temporarily removed from the manual, since we don't want |
have been temporarily removed from the manual, since we don't want |
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users to rely upon these features quite yet. |
users to rely upon these features quite yet. |
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----- |
----- |
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Copyright (C) 2001, 2002 Free Software Foundation, Inc. |
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free |
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Software Foundation, Inc. |
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This file is part of GNU Autoconf. |
This file is part of Bison, the GNU Compiler Compiler. |
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GNU Autoconf is free software; you can redistribute it and/or modify |
Bison is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2, or (at your option) |
the Free Software Foundation; either version 2, or (at your option) |
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any later version. |
any later version. |
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GNU Autoconf is distributed in the hope that it will be useful, |
Bison is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
GNU General Public License for more details. |