nntp: better delimit error message

It may be hard to tell what command triggered an error,
otherwise.

diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 000b2c6140cb8a3c4e7dbdd3550a08ffd12e971d..944e9305da525545d348d4bca4fd78f9d178def2 100644 (file)
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -114,7 +114,7 @@ sub process_line ($$) {
        my $err = $@;
        if ($err && !$self->{closed}) {
                chomp($l = Dumper(\$l));
-               err($self, "error from: $l $err");
+               err($self, "error from: $l ($err)");
                $res = '503 program fault - command not performed';
        }
        return 0 unless defined $res;