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Diffstat (limited to 'doc/m4.texi')
| -rw-r--r-- | doc/m4.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/m4.texi b/doc/m4.texi index 5a31eec8..bc2fccaf 100644 --- a/doc/m4.texi +++ b/doc/m4.texi @@ -7522,6 +7522,18 @@ format(`%.1f', `2a') @result{}2.0 @end example +@ignore +@comment Expose a crash with a bad format string fixed in 1.4.15. +@comment Unfortunately, 8-bit bytes are hard to check for; but the +@comment exit status is enough to sniff the crash in broken versions. + +@comment xerr: ignore +@example +format(`%'format(`%c', `128')) +@result{} +@end example +@end ignore + @node Arithmetic @chapter Macros for doing arithmetic |