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Introduce another definition to address simple location arrays. (yyGLRStack): New member: yyerror_range. (yyrecoverSyntaxError, yyparse): Update it. (yyrecoverSyntaxError): Use it when shifting the error token to have an accurate range, equivalent to the one computed by both yacc.c and lalr1.cc. * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so that column numbers start at column 0, as per GNU Coding Standards, the others tests, and the doc. (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC): Adjust to the above change (first column is 0). And adjust the location of the "<error>", now covering the whole line.
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