Reported-by: Yedidyah Bar David <didi@xxxxxxxxxx> Signed-off-by: Alejandro Colomar <alx@xxxxxxxxxx> --- I suggest this instead. man3/isalpha.3 | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/man3/isalpha.3 b/man3/isalpha.3 index 000e816d7..721ca8972 100644 --- a/man3/isalpha.3 +++ b/man3/isalpha.3 @@ -345,13 +345,15 @@ .SH HISTORY .TP .BR isascii_l () glibc 2.3. -.SH NOTES +.SH CAVEATS The standards require that the argument .I c for these functions is either .B EOF or a value that is representable in the type -.IR "unsigned char" . +.IR "unsigned char" ; +otherwise, +the behavior is undefined. If the argument .I c is of type -- 2.40.1
