Subject: bug#39884: Simple fix

From: Rainer Gemulla <[email-masked]>
Date: Wed, 15 Apr 2020 09:51:46 +0200

Replacing in function mml-parse-1 (mml.el, line 284):

(setq tag (list 'part '(type . "text/plain"))
       no-markup-p t
       warn t)

with

(setq tag `(part (type . ,"text/plain"))
      no-markup-p t
      warn t)

seems to fix this bug. It's not clear to me why though.