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don't end the recursive edit and don't start another one.
(isearch-done): New arg EDIT.
(isearch-mode): Return t if search succeeded.

(Fwrite_region): unbind_to should take two args.

(x_make_frame_visible): Fix previous change: test polling_for_input
instead of whether SIGIO is defined.

(insert_and_inherit): New function.

Use insert_and_inherit if requested.

Define all the C-c commands here.
(outline-mode-menu-bar-map): New variable, holds local menu-bar keymap.
(outline-mode-map): Bind C-c and menu-bar to those maps.
(outline-minor-mode-map): Likewise use those submaps for the prefixes.

(rmail-summary-mode-map): Add Output and Input with menu of files.

(rmail-summary-rmail-update): Check whether rmail-buffer is dead.