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messages. Nevertheless, it is enabled only when `@n' is used in the grammar, which is a different issue (you can use it in error message, but not in the grammar per se). Therefore, there should be another means to enable it. * src/getargs.c (getargs): Support `--locations'. (usage): Report it. * src/getargs.h (locationsflag): Export it. * src/lex.c (percent_table): Support `%locations'. * src/reader.c (yylsp_needed): Remove this variable, now replaced with `locationsflag'. * doc/bison.texinfo: Document `--locations' and `%locations'. Sort the options. * tests/calc.m4: Test it. For regularity of the names, replace each (nolineflag, toknumflag, rawtokenumflag, noparserflag): with... (no_lineflag, token_tableflag, rawflag, no_parserflag): this. In addition replace each `flag' with `_flag'.