major code speedups, bug fixes, behavior
refinements, doc-string clarification and elaboration, etc. Prominent new features include: - Exposure changes and navigation are greatly accelerated. - More elaborate and clear doc-string for outline-mode, giving better guidance on use of the mode. - A new exposure-layout syntax, which accomodates outlines with multiple top-level topics. (See `outline-expose' and `outline-new-exposure'.) - Automatic exposure and verfication-prompting on attempts to change text within concealed regions, before they are applied. (Undo affecting concealed regions is only exposed, not verified, to facilitate smooth undo sequences.) - 'hot-spot' navigation implemented. When the cursor is on a topic's bullet, regular-character keystrokes will be interepreted as if they were preceded by ^C, when appropriate, so users can navigate and adjust exposure, etc, with single-stroke commands. - Lucid emacs accomodated.
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