(Overlay Arrow): Document overlay-arrow-variable-list.
(Fringe Size/Pos): New node, broken out of Fringes.
(Display): Explain clearing vs redisplay better.
(Truncation): Clarify use of bitmaps.
(The Echo Area): Clarify the uses of the echo area.
Add max-mini-window-height.
(Progress): Clarify.
(Invisible Text): Explain that main loop moves point out.
(Selective Display): Say "hidden", not "invisible".
(Managing Overlays): Moved up. Describe relation to Undo here.
(Overlay Properties): Clarify intro.
(Finding Overlays): Explain return values when nothing found.
(Width): truncate-string-to-width has added arg.
(Displaying Faces): Clarify and update mode line face handling.
(Face Functions): Minor cleanup.
(Conditional Display): Merged into Other Display Specs.
(Pixel Specification, Other Display Specs): Minor cleanups.
(Images, Image Descriptors): Minor cleanups.
(GIF Images): Patents have expired.
(Showing Images): Explain default text for insert-image.
(Manipulating Button Types): Merged into Manipulating Buttons.
(Making Buttons): Explain return values.
(Button Buffer Commands): Add xref.
(Inverse Video): Update mode-line-inverse-video.
(Display Table Format): Clarify.
(Active Display Table): Give defaults for window-display-table.
(Overlay Properties, Face Attributes): Likewise.
(Managing Overlays): Fix punctuation.
(Attribute Functions): Clarify set-face-font; get rid of
info about old Emacs versions.
(Auto Faces, Font Lookup, Display Property, Images): Get rid of "Emacs 21".
(Syntax Table Functions): syntax-after moved from here.
(Syntax Table Internals): syntax-after moved to here.
(Parsing Expressions): Update info on number of values
and what's meaningful in the STATE argument.
(Categories): Fix typo.
(Deleting Processes): Cleanups, add xref.
(Process Information): set-process-coding-system, some args optional.
(Input to Processes): Explain various types for PROCESS args.
Rename them from PROCESS-NAME to PROCESS.
(Signals to Processes): Likewise.
(Decoding Output): Cleanup.
(Query Before Exit): Clarify.
(Adjusting Point): Adjusting point applies to intangible and invis.
(Key Sequence Input): Doc extra read-key-sequence args.
Likewise for read-key-sequence-vector.
should advise another part. Markup changes.
(Defining Advice): Move transitional para.
(Activation of Advice): Cleanup.
Explain if COMPILE is nil or negative.
