Thanks for mentioning that. I installed this fix:
2006-03-16 Paul Eggert <[EMAIL PROTECTED]>
* doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
Problem reported by Bob Rossi.
--- doc/bison.texinfo 13 Mar 2006 23:21:29 -0000 1.183
+++ doc/bison.texinfo 17 Mar 2006 07:59:20 -0000 1.184
@@ -4220,8 +4220,8 @@ Rename the external symbols used in the
@var{prefix} instead of @samp{yy}. The precise list of symbols renamed
in C parsers
is @code{yyparse}, @code{yylex}, @code{yyerror}, @code{yynerrs},
[EMAIL PROTECTED], @code{yylloc}, @code{yychar}, @code{yydebug}, and
-possible @code{yylloc}. For example, if you use
[EMAIL PROTECTED], @code{yychar}, @code{yydebug}, and
+(if locations are used) @code{yylloc}. For example, if you use
@samp{%name-prefix="c_"}, the names become @code{c_parse}, @code{c_lex},
and so on. In C++ parsers, it is only the surrounding namespace which is
named @var{prefix} instead of @samp{yy}.
