(read_char): Don't return right away when
read_char_minibuf_menu_prompt returns non-nil.
Instead, set key_already_recorded, which inhibits most but not all
of the work at non_reread.
(special-display-regexps, special-display-function): Accept cons
cells in `special-display-buffer-names' and
`special-display-regexps'. If the buffer name matches the car,
call `special-display-function' with the cdr as a second argument.
(vc-status): Use vc-path when calling prs.
(vc-status): New arg vc-type.
(vc-file-not-found-hook): Use save-excursion.
(vc-status): Renamed from vc-rcs-status. Handle SCCS.
(vc-display-status): Renamed from vc-rcs-status.
(vc-mode-line): Call vc-status for SCCS files too.
(Fbox_message): New function to print a message in a dialog box.
(Fmessage_or_box): New function that choose whether to print a
message in a dialog or in the echo area.
variable, use the old one if it is bound as initial value.
(Man-reuse-okay-flag): replaces Man-reuse-okay.
(Man-downcase-section-letters-flag): replaces
Man-downcase-section-letters.
(Man-circular-pages-flag): replaces Man-circular-pages.
(Man-auto-section-alist): variable deleted.
(Man-section-translations-alist): removed the "3x" translation.
(Man-untabify-command, Man-untabify-command-args): new vars.
(Man-sed-command, Man-awk-command): new variables.
(Man-sysv-sed-script, Man-berkeley-sed-script): new constants.
(Man-name-regexp, Man-page-header-regexp): new variable.
(Man-heading-regexp): changed default value.
(Man-reference-regexp): now refers to previous regexps.
(Man-arguments): new buffer-local variable.
(Man-page-mode-string): changed default value.
(Man-mode-map): changed the meanings of ",", ".", "q". Added new
keys ">", "<", "k".
(Man-page-mode-string): function deleted.
(Man-init-defvars): New function used for initialising the system
and environment dependent variables Man-fontify-manpage-flag,
Man-uses-untabify, Man-sed-script, Man-filter-list.
(Man-delete-trailing-newlines): function deleted.
(Man-make-page-mode-string): new subst.
(Man-build-man-command): now subst instead of function. Modified
to comply with the new format of Man-filter-list.
(Man-downcase): function deleted.
(Man-translate-references): complete rewrite.
(Man-linepos): function deleted.
(Man-match-substring): new function.
(Man-default-man-args): function deleted.
(Man-default-man-entry): complete rewrite.
(man, manual-entry): function-alias relationship reversed.
(man): prompt changed, prompt using interactive, call
Man-init-defvars, set Man-arguments.
(Man-notify-when-ready): manage the 'pushy value.
(Man-fontify-manpage): substitute Man-set-fonts.
(Man-cleanup-manpage): new function.
(Man-bgproc-sentinel): cleanup, call Man-fontify-manpage and
Man-cleanup-page when necessary.
(Man-mode): call Man-strip-page-headers and Man-unindent.
(Man-build-section-alist, Man-build-references-alist,
Man-build-page-list): substs instead of functions.
(Man-build-references-alist): cleanup.
(Man-build-page-list): new algorithm.
(Man-strip-page-headers, Man-unindent): new substs.
(Man-find-section): assume section names start in column 1.
(Man-quit): bury the buffer instead of killing it, delete the
frame when necessary.
(Man-kill): new function.
(Man-goto-page): do the right thing when the manpage is not found,
do not assume that Man-build-references-alist is broken.
Return previous overlay end.
(Foverlays_at): Pass NULL for last 2 args of overlays_at.
(Fnext_overlay_change): Pass new arg to overlays_at.
(Fprevious_overlay_change): New function.
