Tomi Ollila <tomi.ollila@iki.fi> writes:

> notmuch-show-view-raw-message() re-uses buffer created with same
> name (same Message-Id:) but it did not erase it before filling.
> If this ever happened, there were duplicated (potentially overlapping)
> content in the buffer. Now this is fixed.
> Apparently since emacs 24.5 the (view-buffer) makes the buffer read-only;
> so this problem would not have happened there, just that
> notmuch-show-view-raw-message() failed. This is fixed by setting
> inhibit-read-only t before erasing and filling the buffer. The emacs 24.5
> feature having raw message buffer read-only is also now explicitly set to
> the buffer so the same experience is available with emaces < 24.5.

Applied this one patch to master

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