unless unless -> unless

diff --git a/doc/bison.texinfo b/doc/bison.texinfo
index 73afb8c30ea2b67321db3b0ffc82658e846a6d3a..2741703e62bdf77eee8d0de7e64d804e8fc01f02 100644 (file)
--- a/doc/bison.texinfo
+++ b/doc/bison.texinfo
@@ -4244,7 +4244,7 @@ names defined in the grammar as well as a few other declarations.
 If the parser output file is named @file{@var{name}.c} then this file
 is named @file{@var{name}.h}.
 
 If the parser output file is named @file{@var{name}.c} then this file
 is named @file{@var{name}.h}.
 

-For C parsers, the output header declares @code{YYSTYPE} unless unless
+For C parsers, the output header declares @code{YYSTYPE} unless

 @code{YYSTYPE} is already defined as a macro or you have used a
 @code{<@var{type}>} tag without using @code{%union}.
 Therefore, if you are using a @code{%union}
 @code{YYSTYPE} is already defined as a macro or you have used a
 @code{<@var{type}>} tag without using @code{%union}.
 Therefore, if you are using a @code{%union}