bug#29767: 26.0.90; Failing auto-fill in message-mode because of bad state (comment-skip-end)

[Katsumi Yamaoka]

On Wed, 20 Dec 2017 01:39:35 +0100, Jose Antonio Ortega Ruiz wrote:
> not for me. i am answering here with a long line, and the two quoted
> lines above don't trigger the bug on my side.  here you see the lines
> that was auto-filled without any extra >.

> i've also seen the bug triggered many times below cited lines with a
> single >.

Confirmed.  This causes the bug for me (note that the cite prefix
should be ">", not "> ").

>The quick brown fox jumps over the lazy dog.
>The quick brown fox jumps over the lazy dog.
A  l o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o 
o o o o o o o o o o o o o o o o n g  line.