Changes in version 2.3+:
+* Locations columns and lines start at 1.
+ In accordance with the GNU Coding Standards and Emacs.
+
* Except for LALR(1) parsers in C with POSIX Yacc emulation enabled (with `-y',
`--yacc', or `%yacc'), Bison no longer generates #define statements for
associating token numbers with token names. Removing the #define statements