(unload-feature): Use it.
* progmodes/python.el (python-after-info-look): Add autoload cookie.
(python-unload-function): New function.
Fixes: debbugs:8781 debbugs:8730
* lisp/wid-edit.el: Use lexical scoping and move towards completion-at-point.
(widget-complete): Use new :completion-function property.
(widget-completions-at-point): New function.
(default): Use :completion-function instead of :complete.
(widget-default-completions): Rename from widget-default-complete, rewrite.
(widget-string-complete, widget-file-complete, widget-color-complete):
Remove functions.
(file, symbol, function, variable, coding-system, color):
* lisp/international/mule-cmds.el (default-input-method, charset)
(language-info-custom-alist):
* lisp/cus-edit.el (face): Use new property :completions.
* lisp/progmodes/pascal.el (pascal-completions-at-point): New function.
(pascal-mode): Use it.
(pascal-mode-map): Use completion-at-point.
(pascal-toggle-completions): Make obsolete.
(pascal-complete-word, pascal-show-completions):
* lisp/progmodes/octave-mod.el (octave-complete-symbol):
Redefine as obsolete alias.
* lisp/progmodes/octave-inf.el (inferior-octave-completion-at-point):
Signal absence of completion info for old Octave,
(inferior-octave-complete): Redefine as obsolete alias.
* lisp/progmodes/meta-mode.el: Use lexical-binding and completion-at-point.
(meta-completions-at-point): Rename from meta-complete-symbol and
adapt it for use on completion-at-point-functions.
(meta-common-mode): Use it.
(meta-looking-at-backward, meta-match-buffer): Remove.
(meta-complete-symbol): Redefine as obsolete alias.
(meta-common-mode-map): Use completion-at-point.
* lisp/progmodes/make-mode.el: Use lexical-binding and completion-at-point.
(makefile-mode-map): Use completion-at-point.
(makefile-completions-at-point): Rename from makefile-complete and
adapt it for use on completion-at-point-functions.
(makefile-mode): Use it.
(makefile-complete): Redefine as obsolete alias.
* lisp/progmodes/delphi.el (delphi-mode-syntax-table): Use defvar.
(delphi-mode): Use define-derived-mode to inherit from prog-mode.
Remove unused argument.
* lisp/progmodes/fortran.el (fortran-mode-syntax-table):
* lisp/progmodes/f90.el (f90-mode-syntax-table):
Set % to punctuation.
(f90-find-tag-default): Remove, no longer needed.
* progmodes/hideshow.el (hs-looking-at-block-start-p): New fun.
(hs-hide-block-at-point, hs-find-block-beginning)
(hs-already-hidden-p, hs-hide-block, hs-show-block): Use it.
retuning non-nil for non-exclusive completion data.
* lisp/progmodes/etags.el (tags-completion-at-point-function):
* lisp/info-look.el (info-lookup-completions-at-point): Mark as non-exclusive.
(info-complete): Adjust accordingly.
* lisp/erc/erc-pcomplete.el (erc-pcompletions-at-point): Mark the completion
data as non-exclusive if it's using the default-completion-function.
(pcomplete-erc-parse-arguments): Rename pcomplete-parse-erc-arguments.
(pcomplete-erc-setup): Use new name.
* lisp/progmodes/compile.el (compilation-error-regexp-alist-alist): Fix
the ant regexp to handle end-line and end-column info from jikes.
Re-introduce maven regexp. Give the ruby-Test::Unit regexp a
higher priority to avoid clobbering by gnu.
* progmodes/grep.el (grep-mode-font-lock-keywords): Remove
buffer-changing entries.
(grep-filter): New function.
(grep-mode): Add it to compilation-filter-hook.
* progmodes/compile.el (compilation-filter-hook)
(compilation-filter-start): New defvars.
(compilation-filter): Call compilation-filter-hook prior to
updating the process mark.
* lisp/progmodes/octave-inf.el (inferior-octave-mode-syntax-table):
Inherit from octave-mode-syntax-table.
(inferior-octave-mode): Set info-lookup-mode.
(inferior-octave-completion-at-point): New function.
(inferior-octave-complete): Use it and completion-in-region.
(inferior-octave-dynamic-complete-functions): Use it as well, and use
comint-filename-completion.
* lisp/progmodes/octave-mod.el (octave-mode-syntax-table): Use _ syntax for
symbol elements which shouldn't be word elements.
(octave-font-lock-keywords, octave-beginning-of-defun)
(octave-function-header-regexp): Adjust regexps accordingly.
(octave-mode-map): Also use info-lookup-symbol for C-c C-h.
