* lisp/icomplete.el (icomplete-minibuffer-map): Unbind `C-s' and `C-r'.
Bind `C-.' and `C-,' to `icomplete-forward-completions' and
`icomplete-backward-completions'.
* lisp/ido.el (ido-init-completion-maps): Bind `C-.' and `C-,' to
`ido-next-match' and `ido-prev-match' resply.
* lisp/iswitchb.el (iswitchb-read-buffer): Bind `C-.' and `C-,' to
`iswitchb-next-match' and `iswitchb-prev-match' resply.
(icomplete-show-key-bindings): Remove custom var.
(icomplete-get-keys): Remove function.
(icomplete-forward-completions, icomplete-backward-completions):
New commands.
(icomplete-minibuffer-map): New var.
(icomplete-minibuffer-setup): Use it.
(icomplete-exhibit): Don't delay if the list of completions is known.
(icomplete-separator): New custom.
(icomplete-completions): Use it.
* lisp/minibuffer.el (completion-all-sorted-completions): Delete duplicates.
(minibuffer-force-complete-and-exit): New command.
(minibuffer--complete-and-exit): New function extracted from
minibuffer-complete-and-exit.
(minibuffer-complete-and-exit): Use it.
* icomplete.el (icomplete-mode): Don't set completion-show-inline-help.
(icomplete-minibuffer-setup): Set completion-show-inline-help
locally during icompletion.
(completion-category-overrides): New defcustom.
(completion-metadata, completion--field-metadata)
(completion-metadata-get, completion--styles)
(completion--cycle-threshold): New functions.
(completion-try-completion, completion-all-completions):
Add `metadata' argument to choose completion-styles.
(completion--do-completion): Use metadata to choose cycling.
(completion-all-sorted-completions): Use metadata for sorting.
Remove :completion-cycle-penalty which is not needed any more.
(completion--try-word-completion): Add `metadata' argument.
(minibuffer-completion-help): Check metadata for annotation function
and sorting.
(completion-file-name-table): Return `category' metadata.
(minibuffer-completing-file-name): Make obsolete.
* lisp/simple.el (minibuffer-completing-symbol): Make obsolete.
* lisp/icomplete.el (icomplete-completions): Pass new `metadata' param to
completion-try-completion.
* src/minibuf.c (Finternal_complete_buffer): Return `category' metadata.
(read_minibuf): Use get_minibuffer.
(syms_of_minibuf): Use DEFSYM.
(Qmetadata): New var.
* src/data.c (Qbuffer): Don't make it static.
(syms_of_data): Use DEFSYM.
* lisp/minibuffer.el (completion-show-inline-help): New var.
(completion--do-completion, minibuffer-complete)
(minibuffer-force-complete, minibuffer-complete-word): Inhibit
minibuffer messages if completion-show-inline-help is nil.
* lisp/icomplete.el (icomplete-mode): Bind completion-show-inline-help
to avoid interference from inline help.
* icomplete.el (icomplete-completions): Use `non-essential'.
* net/tramp.el (tramp-connectable-p): New defun.
(tramp-handle-expand-file-name)
(tramp-completion-handle-file-name-all-completions)
(tramp-completion-handle-file-name-completion): Use it.
(icomplete-overlay): New var to replace it.
(icomplete-tidy): Rewrite.
(icomplete-exhibit): Use an overlay.
(icomplete-completions): Use completion-all-sorted-completions.
Obey completion-ignore-case.
Allow icomplete-with-completion-tables to say "use it everywhere".
(icomplete-completions): Obey completion-styles. Try to accomodate
partial-completion style.
* icomplete.el (icomplete-with-completion-tables): List of
specialized completion tables with which icomplete should
operate. Include the new `internal-complete-buffer', so icomplete
works with interactive buffer-selection.
(icomplete-simple-completing-p): Add acceptance of specialized
completion tables listed in icomplete-with-completion-tables.
(hack-local-variables-prop-line): Return a list of variable-value
pairs if MODE-ONLY is non-nil.
(hack-local-variables): Construct list of variable-value pairs,
and apply or reject them in one go. Ask for confirmation if
variables are not known safe.
(hack-local-variables-confirm): Complete rewrite. Support
`safe-local-variable-values'.
(enable-local-variables): Update docstring to reflect new
behavior.
(ignored-local-variables): Ignore ignored-local-variables and
safe-local-variable-values.
(safe-local-variable-p): New function.
(risky-local-variable-p): `safe-local-variable' property check
moved to safe-local-variable-p.
(hack-one-local-variable): Checks moved to hack-local-variables.
(byte-compile-dynamic, c-basic-offset, c-file-style,
c-indent-level, comment-column, fill-column, fill-prefix,
indent-tabs-mode, kept-new-versions, no-byte-compile,
no-update-autoloads, outline-regexp, page-delimiter,
paragraph-start, paragraph-separate, sentence-end,
sentence-end-double-space tab-width, version-control): Add
`safe-local-variable' property.
* find-lisp.el: Delete nonexistent `autocompile' file variable.
* icomplete.el, play/landmark.el: Change nonexistent
`outline-layout' file variable to `allout-layout'.