Document that YYDEBUG must be defined to a nonzero value.

2026-03-13 14:23:04 +00:00 · 2001-12-17 19:43:23 +00:00
parent c527b2d483
commit 4947ebdb4c
3 changed files with 25 additions and 21 deletions
--- a/doc/bison.1
+++ b/doc/bison.1
@@ -262,9 +262,9 @@ and so on.
 .ns
 .TP
 .B \-\-debug
-Output a definition of the macro
+In the parser file, define the macro
 .B YYDEBUG
-into the parser file,
+to 1 if it is not already defined,
 so that the debugging facilities are compiled.
 .TP
 .B \-v