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-rw-r--r--doc/manywarnings.texi2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/manywarnings.texi b/doc/manywarnings.texi
index ea1b758cc0..01e23116cc 100644
--- a/doc/manywarnings.texi
+++ b/doc/manywarnings.texi
@@ -6,7 +6,7 @@ package. Here is an example use:
@smallexample
AC_ARG_ENABLE([gcc-warnings],
- [AS_HELP_STRING([--enable-gcc-warnings@@<:@@=TYPE@@:>@@],
+ [AS_HELP_STRING([[--enable-gcc-warnings[=TYPE]]],
[control generation of GCC warnings. The TYPE 'no' disables
warnings; 'yes' (default) generates cheap warnings;
'expensive' in addition generates expensive warnings.])])