Subject: bug#38200: 26.2; sendmail.el needlessly munging headers by inserting backslashes

From: Lars Ingebrigtsen <[email-masked]>
Date: Thu, 14 Nov 2019 09:10:52 +0100

Katsumi Yamaoka <[email-masked]> writes:

> Done in master.  Thanks.  Ed, a patch for Emacs 26.2 is attached.

[...]

> -(defun rfc2047-quote-special-characters-in-quoted-strings (&optional
> -							   encodable-regexp)
> -  "Quote special characters with `\\'s in quoted strings.
> -Quoting will not be done in a quoted string if it contains characters
> -matching ENCODABLE-REGEXP or it is within parentheses."

I'm not sure removing the function is the right thing to do -- it may be
used by third-party code.  So we should just obsolete it and then remove
it in (say) Emacs 29.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no