elif [ "$arg" != "${arg#http://sourceware.org/cgi-bin/cvsweb.cgi/src/}" ];then
echo >&2 -n '.'
# --- src/gdb/ChangeLog 2008/04/24 08:46:17 1.9308
- wget -q -O - "$arg" | diffdecvs | perl -p -e 's{^(?:---|\Q+++\E)(?= \S+/ChangeLog\t)}{###}'
+ wget -q -O - "$arg" | diffdecvs | perl -p -e '$c=1 if s{^(?:---|\Q+++\E)(?= \S+/ChangeLog\t)}{###};s{^@@}{##} if $c;'
else
echo >&2 "Invalid URL: $arg"
exit 1