RFC2822 specifies in paragraph 3.6.8, that optional header fields are
made up of any printable US-ASCII character except ' ' (space) and ':'
(colon).
The pattern for the egrep command is changed to match all of these
characters.
Signed-off-by: Christian Himpel <chressie@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
# and see if it looks like that they all begin with the
# header field names...
sed -n -e '/^$/q' -e '/^[ ]/d' -e p "$1" |
- egrep -v '^[A-Za-z]+(-[A-Za-z]+)*:' >/dev/null ||
+ egrep -v '^[!-9;-~]+:' >/dev/null ||
patch_format=mbox
fi
} < "$1" || clean_abort