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diff --git a/doc/m4.texi b/doc/m4.texi

index 5a31eec8455085393a0ec954062529fdcd8ae6ed..bc2fccafa9093ea0715b436165303ac3eaa5a516 100644 (file)

--- a/doc/m4.texi

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@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