* gnus-vers.el (gnus-revision-number): Increment to 01.

* gnus-vers.el (gnus-revision-number): Increment to 01.

* gnus-art.el (gnus-article-mime-edit-exit): Set buffer to
 `gnus-article-buffer' just before `gnus-article-prepare-display' is called.
(gnus-article-mime-edit-article-setup): Ditto.
(gnus-article-prepare-display): Don't bind `buffer-read-only' because of
 `inhibit-read-only';
 don't set the value of `gnus-article-current-summary' here;
 delete all extents or overlays and clear the value of
 `gnus-button-marker-list' in advance;
 make it to run in `gnus-article-buffer'.
(gnus-article-prepare): Make it to run in `gnus-article-buffer'.
(article-toggle-headers): Don't bind `buffer-read-only' because of
 `inhibit-read-only'.
(article-hide-headers): Ditto.