* lisp/mail/ietf-drums.el:
+ (ietf-drums-skip-comment): New helper function.
+ (ietf-drums-remove-comments): Use ietf-drums-skip-comment.
+ (ietf-drums-remove-whitespace): Handle unterminated quotes and
comments, as ietf-drums-remove-comments already does.
* test/lisp/mail/ietf-drums-tests.el:
+ Test unterminated quote and comment for
ietf-drums-remove-whitespace and ietf-drums-remove-comments (bug#53965).
* test/lisp/mail/ietf-drums-tests.el (ietf-drums-tests): Test most of
lisp/mail/ietf-drums.el functionality.
* lisp/mail/ietf-drums.el: (ietf-drums-parse-address): Bug fix:
Require rfc2047 when needed (bug#53811).