1 Open attachments as read-only so the editor won't be able to modify it;
2 otherwise the user can believe that he/she can edit it and risk to lose his/her
3 work (see upstream bug http://bugs.mutt.org/3261)
11 + chmod (tempfile, 0400);
12 use_pipe = rfc1524_expand_command (a, tempfile, type,
13 command, sizeof (command));
14 use_pager = entry->copiousoutput;