m4: allow the definition of side-effect only macros

[bison.git] / data / lalr1.cc

diff --git a/data/lalr1.cc b/data/lalr1.cc
index eb4883559a414287500ee6bfb3ac01f5b9c524e3..53e7455ac09dd86196274177d07237a7f6683fa8 100644 (file)
--- a/data/lalr1.cc
+++ b/data/lalr1.cc
@@ -824,7 +824,7 @@ b4_dollar_popdef])[]dnl
        variants.  */
     b4_symbol_variant([[yyr1_@{yyn@}]], [yylhs.value], [build])],[
     /* If YYLEN is nonzero, implement the default value of the action:
-       `$$ = $1'.  Otherwise, use the top of the stack.
+       '$$ = $1'.  Otherwise, use the top of the stack.
 
        Otherwise, the following line sets YYLHS.VALUE to garbage.
        This behavior is undocumented and Bison