Re: better not have a non-header line after Subject

[Chong Yidong <cyd@stupidchicken.com>]

Richard Stallman <rms@gnu.org> writes:

> Could someone please debug this?

I checked in the required fix to sendmail.el.  Thanks.

(I think message-mode needs to be fixed too; CC'ing ding@gnus.org).

> From: Kevin Rodgers <ihs_4664@yahoo.com>
> Subject: Re: better not have a non-header line after Subject
> To: bug-gnu-emacs@gnu.org
>
> Dan Jacobson wrote:
>> Both plain emacs 22 or "No gnus", send differently mangled mail when given
>>
>> Subject: bla, and
>> a second non header line starting in column 1
>>
>> Garbage in, garbage out, but not caught.
>
> There is code in mail-send to detect that:
>
> 	;; Complain about any invalid line.
> 	(goto-char (point-min))
> 	(while (< (point) (mail-header-end))
> 	  (unless (looking-at "[ \t]\\|.*:\\|$")
> 	    (push-mark opoint)
> 	    (error "Invalid header line (maybe a continuation line
> lacks initial whitespace)"))
> 	  (forward-line 1))
>
> But mail-header-end seems to be broken: it calls rfc822-goto-eoh instead
> of searching for the mail-header-separator (either the text on a line by
> itself or the category text property value).