[Bug: 21.4.19] starttls doesn't work in smtpmail
Doug Orleans writes:
revision 1.24: it uses the macro with-no-warnings, which I believe
only exists in GNU Emacs, not XEmacs, and this causes the check for
the tls executable to silently fail (because it's inside a
condition-case). When I redefined smtpmail-open-stream without the
with-no-warnings macro, it works fine. I don't know if there's some
equivalent in XEmacs, or if there's any need for it.
Nice catch, Doug!
The idiom in XEmacs is
(let ((display-warning-minimum-level 'emergency)) ...)
This means that warnings will still be logged to the *Warnings*
buffer. Theoretically, you *could* get a warning of an emergency
here, but there's only one instance of a warning at that level, in
alloc.c:
warn_when_safe
(Qmemory, Qemergency,
"%s\n"
"Killing some buffers may delay running out of memory.\n"
"However, certainly by the time you receive the 95%% warning,\n"
"you should clean up, kill this Emacs, and start a new one.",
str);
which is something you probably do want to know about.... Gotta love
that abuse of condition-case, too. :-)
Simon, I think that the best thing would be to just get rid of the
with-no-warnings call (unless you know of bogus warnings that will
definitely be issued), and we probably ought to change the
condition-case to catch 'io-error, which will catch all exceptions due
to expectable process failures.
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