mirror of
https://git.savannah.gnu.org/git/emacs.git
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627 lines
23 KiB
EmacsLisp
627 lines
23 KiB
EmacsLisp
;;; cus-start.el --- define customization properties of builtins
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;; Copyright (C) 1997, 1999-2012 Free Software Foundation, Inc.
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;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
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;; Keywords: internal
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;; Package: emacs
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file adds customize support for built-in variables.
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;; While dumping Emacs, this file is loaded, but it only records
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;; the standard values; it does not do the rest of the job.
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;; Later on, if the user makes a customization buffer,
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;; this file is loaded again with (require 'cus-start);
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;; then it does the whole job.
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;;; Code:
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;; Elements of this list have the form:
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;; SYMBOL GROUP TYPE VERSION REST...
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;; SYMBOL is the name of the variable.
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;; GROUP is the custom group to which it belongs (may also be a list
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;; of groups)
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;; TYPE is the defcustom :type.
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;; VERSION is the defcustom :version (or nil).
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;; REST is a set of :KEYWORD VALUE pairs. Accepted :KEYWORDs are:
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;; :standard - standard value for SYMBOL (else use current value)
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;; :set - custom-set property
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;; :risky - risky-local-variable property
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;; :safe - safe-local-variable property
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;; :tag - custom-tag property
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(let ((all '(;; alloc.c
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(gc-cons-threshold alloc integer)
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(gc-cons-percentage alloc float)
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(garbage-collection-messages alloc boolean)
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;; buffer.c
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(cursor-type
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display
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(choice
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(const :tag "Frame default" t)
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(const :tag "Filled box" box)
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(const :tag "Hollow cursor" hollow)
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(const :tag "Vertical bar" bar)
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(cons :tag "Vertical bar with specified width"
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(const bar) integer)
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(const :tag "Horizontal bar" hbar)
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(cons :tag "Horizontal bar with specified width"
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(const hbar) integer)
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(const :tag "None "nil)))
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(mode-line-format mode-line sexp) ;Hard to do right.
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(major-mode internal function)
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(case-fold-search matching boolean)
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(fill-column fill integer)
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(left-margin fill integer)
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(tab-width editing-basics integer)
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(ctl-arrow display boolean)
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(truncate-lines display boolean)
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(word-wrap display boolean)
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(selective-display-ellipses display boolean)
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(indicate-empty-lines fringe boolean)
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(indicate-buffer-boundaries
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fringe
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(choice
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(const :tag "No indicators" nil)
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(const :tag "On left, with arrows" left)
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(const :tag "On right, with arrows" right)
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(set :tag "Pick your own design"
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:value ((t . nil))
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:format "%{%t%}:\n%v\n%d"
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:doc "You can specify a default and then override it \
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for individual indicators.
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Leaving \"Default\" unchecked is equivalent with specifying a default of
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\"Do not show\"."
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(choice :tag "Default"
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:value (t . nil)
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(const :tag "Do not show" (t . nil))
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(const :tag "On the left" (t . left))
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(const :tag "On the right" (t . right)))
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(choice :tag "Top"
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:value (top . left)
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(const :tag "Do not show" (top . nil))
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(const :tag "On the left" (top . left))
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(const :tag "On the right" (top . right)))
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(choice :tag "Bottom"
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:value (bottom . left)
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(const :tag "Do not show" (bottom . nil))
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(const :tag "On the left" (bottom . left))
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(const :tag "On the right" (bottom . right)))
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(choice :tag "Up arrow"
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:value (up . left)
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(const :tag "Do not show" (up . nil))
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(const :tag "On the left" (up . left))
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(const :tag "On the right" (up . right)))
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(choice :tag "Down arrow"
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:value (down . left)
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(const :tag "Do not show" (down . nil))
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(const :tag "On the left" (down . left))
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(const :tag "On the right" (down . right))))
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(other :tag "On left, no arrows" t)))
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(scroll-up-aggressively windows
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(choice (const :tag "off" nil) number)
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"21.1")
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(scroll-down-aggressively windows
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(choice (const :tag "off" nil) number)
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"21.1")
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(line-spacing display (choice (const :tag "none" nil) integer)
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"22.1")
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(cursor-in-non-selected-windows
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cursor boolean nil
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:tag "Cursor In Non-selected Windows"
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:set (lambda (symbol value)
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(set-default symbol value)
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(force-mode-line-update t)))
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(transient-mark-mode editing-basics boolean nil
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:standard (not noninteractive)
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:initialize custom-initialize-delay
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:set custom-set-minor-mode)
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(bidi-paragraph-direction
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paragraphs
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(choice
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(const :tag "Left to Right" left-to-right)
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(const :tag "Right to Left" right-to-left)
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(const :tag "Dynamic, according to paragraph text" nil))
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"24.1")
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;; callint.c
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(mark-even-if-inactive editing-basics boolean)
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;; callproc.c
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(shell-file-name execute file)
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(exec-path execute
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(repeat (choice (const :tag "default directory" nil)
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(directory :format "%v"))))
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(exec-suffixes execute (repeat string))
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;; charset.c
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(charset-map-path installation
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(repeat (directory :format "%v")))
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;; coding.c
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(inhibit-eol-conversion mule boolean)
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(eol-mnemonic-undecided mule string)
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;; startup.el fiddles with the values. IMO, would be
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;; simpler to just use #ifdefs in coding.c.
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(eol-mnemonic-unix mule string nil
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:standard
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(if (memq system-type '(ms-dos windows-nt))
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"(Unix)" ":"))
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(eol-mnemonic-dos mule string nil
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:standard
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(if (memq system-type '(ms-dos windows-nt))
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"\\" "(DOS)"))
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(eol-mnemonic-mac mule string nil
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:standard "(Mac)")
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(file-coding-system-alist
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mule
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(alist
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:key-type (regexp :tag "File regexp")
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:value-type (choice
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:value (undecided . undecided)
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(cons :tag "Encoding/decoding pair"
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:value (undecided . undecided)
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(coding-system :tag "Decoding")
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(coding-system :tag "Encoding"))
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(coding-system
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:tag "Single coding system"
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:value undecided
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:match (lambda (widget value)
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(and value (not (functionp value)))))
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(function :value ignore))))
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;; dired.c
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(completion-ignored-extensions dired
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(repeat (string :format "%v")))
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;; dispnew.c
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(baud-rate display integer)
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(inverse-video display boolean)
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(visible-bell display boolean)
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(no-redraw-on-reenter display boolean)
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;; dosfns.c
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(dos-display-scancodes display boolean)
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(dos-hyper-key keyboard integer)
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(dos-super-key keyboard integer)
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(dos-keypad-mode keyboard integer)
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;; editfns.c
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(user-full-name mail string)
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;; eval.c
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(max-specpdl-size limits integer)
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(max-lisp-eval-depth limits integer)
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(max-mini-window-height limits
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(choice (const :tag "quarter screen" nil)
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number) "23.1")
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(debug-on-error debug
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(choice (const :tag "off")
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(repeat :menu-tag "When"
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:value (nil)
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(symbol :format "%v"))
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(const :tag "always" t)))
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(debug-ignored-errors debug (repeat (choice symbol regexp)))
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(debug-on-quit debug boolean)
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(debug-on-signal debug boolean)
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;; fileio.c
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(delete-by-moving-to-trash auto-save boolean "23.1")
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(auto-save-visited-file-name auto-save boolean)
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;; filelock.c
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(create-lockfiles files boolean "24.3")
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(temporary-file-directory
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;; Darwin section added 24.1, does not seem worth :version bump.
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files directory nil
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:standard
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(file-name-as-directory
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;; FIXME ? Should there be Ftemporary_file_directory to do this
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;; more robustly (cf set_local_socket in emacsclient.c).
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;; It could be used elsewhere, eg Fcall_process_region,
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;; server-socket-dir. See bug#7135.
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(cond ((memq system-type '(ms-dos windows-nt))
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(or (getenv "TEMP") (getenv "TMPDIR") (getenv "TMP")
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"c:/temp"))
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((eq system-type 'darwin)
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(or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP")
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;; See bug#7135.
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(let ((tmp (ignore-errors
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(shell-command-to-string
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"getconf DARWIN_USER_TEMP_DIR"))))
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(and (stringp tmp)
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(setq tmp (replace-regexp-in-string
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"\n\\'" "" tmp))
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;; Handles "getconf: Unrecognized variable..."
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(file-directory-p tmp)
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tmp))
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"/tmp"))
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(t
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(or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP")
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"/tmp"))))
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:initialize custom-initialize-delay)
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;; fns.c
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(use-dialog-box menu boolean "21.1")
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(use-file-dialog menu boolean "22.1")
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(focus-follows-mouse frames boolean "20.3")
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;; fontset.c
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(vertical-centering-font-regexp display regexp)
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;; frame.c
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(default-frame-alist frames
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(repeat (cons :format "%v"
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(symbol :tag "Parameter")
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(sexp :tag "Value"))))
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(mouse-highlight mouse (choice (const :tag "disabled" nil)
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(const :tag "always shown" t)
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(other :tag "hidden by keypress" 1))
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"22.1")
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(make-pointer-invisible mouse boolean "23.2")
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(menu-bar-mode frames boolean nil
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;; FIXME?
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; :initialize custom-initialize-default
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:set custom-set-minor-mode)
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(tool-bar-mode (frames mouse) boolean nil
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; :initialize custom-initialize-default
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:set custom-set-minor-mode)
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;; fringe.c
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(overflow-newline-into-fringe fringe boolean)
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;; image.c
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(imagemagick-render-type image integer "24.1")
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;; indent.c
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(indent-tabs-mode indent boolean)
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;; keyboard.c
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(meta-prefix-char keyboard character)
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(auto-save-interval auto-save integer)
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(auto-save-timeout auto-save (choice (const :tag "off" nil)
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(integer :format "%v")))
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(echo-keystrokes minibuffer number)
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(polling-period keyboard integer)
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(double-click-time mouse (restricted-sexp
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:match-alternatives (integerp 'nil 't)))
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(double-click-fuzz mouse integer "22.1")
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(inhibit-local-menu-bar-menus menu boolean)
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(help-char keyboard character)
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(help-event-list keyboard (repeat (sexp :format "%v")))
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(menu-prompting menu boolean)
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(select-active-regions killing
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(choice (const :tag "always" t)
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(const :tag "only shift-selection or mouse-drag" only)
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(const :tag "off" nil))
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"24.1")
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(debug-on-event debug
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(choice (const :tag "None" nil)
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(const :tag "When sent SIGUSR1" sigusr1)
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(const :tag "When sent SIGUSR2" sigusr2))
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"24.1")
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;; This is not good news because it will use the wrong
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;; version-specific directories when you upgrade. We need
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;; customization of the front of the list, maintaining the standard
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;; value intact at the back.
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;;; (load-path environment
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;;; (repeat (choice :tag "[Current dir?]"
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;;; :format "%[Current dir?%] %v"
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;;; (const :tag " current dir" nil)
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;;; (directory :format "%v"))))
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;; minibuf.c
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(enable-recursive-minibuffers minibuffer boolean)
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(history-length minibuffer
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(choice (const :tag "Infinite" t) integer)
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"22.1")
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(history-delete-duplicates minibuffer boolean "22.1")
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(read-buffer-completion-ignore-case minibuffer boolean "23.1")
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(minibuffer-prompt-properties
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minibuffer
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(list
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(checklist :inline t
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(const :tag "Read-Only"
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:doc "Prevent prompt from being modified"
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:format "%t%n%h"
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:inline t
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(read-only t))
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(const :tag "Don't Enter"
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:doc "Prevent point from ever entering prompt"
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:format "%t%n%h"
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:inline t
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(point-entered minibuffer-avoid-prompt)))
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(repeat :inline t
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:tag "Other Properties"
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(list :inline t
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:format "%v"
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(symbol :tag "Property")
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(sexp :tag "Value"))))
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"21.1")
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(minibuffer-auto-raise minibuffer boolean)
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;; options property set at end
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(read-buffer-function minibuffer
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(choice (const nil)
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(function-item iswitchb-read-buffer)
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function))
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;; msdos.c
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(dos-unsupported-char-glyph display integer)
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;; nsterm.m
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(ns-control-modifier
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ns
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(choice (const :tag "No modifier" nil)
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(const control) (const meta)
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(const alt) (const hyper)
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(const super)) "23.1")
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(ns-right-control-modifier
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ns
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(choice (const :tag "No modifier (work as control)" none)
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(const :tag "Use the value of ns-control-modifier"
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left)
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(const control) (const meta)
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(const alt) (const hyper)
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(const super)) "24.0")
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(ns-command-modifier
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ns
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(choice (const :tag "No modifier" nil)
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(const control) (const meta)
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(const alt) (const hyper)
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(const super)) "23.1")
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(ns-right-command-modifier
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ns
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(choice (const :tag "No modifier (work as command)" none)
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(const :tag "Use the value of ns-command-modifier"
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left)
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(const control) (const meta)
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(const alt) (const hyper)
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(const super)) "24.0")
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(ns-alternate-modifier
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ns
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(choice (const :tag "No modifier (work as alternate/option)" none)
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(const control) (const meta)
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(const alt) (const hyper)
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(const super)) "23.1")
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(ns-right-alternate-modifier
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ns
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(choice (const :tag "No modifier (work as alternate/option)" none)
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(const :tag "Use the value of ns-alternate-modifier"
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left)
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(const control) (const meta)
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(const alt) (const hyper)
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(const super)) "23.3")
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(ns-function-modifier
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ns
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(choice (const :tag "No modifier (work as function)" none)
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(const control) (const meta)
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(const alt) (const hyper)
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(const super)) "23.1")
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(ns-antialias-text ns boolean "23.1")
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(ns-auto-hide-menu-bar ns boolean "24.0")
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;; process.c
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(delete-exited-processes processes-basics boolean)
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;; syntax.c
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(parse-sexp-ignore-comments editing-basics boolean)
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(words-include-escapes editing-basics boolean)
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(open-paren-in-column-0-is-defun-start editing-basics boolean
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"21.1")
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;; term.c
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(visible-cursor cursor boolean "22.1")
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;; undo.c
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(undo-limit undo integer)
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(undo-strong-limit undo integer)
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(undo-outer-limit undo
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(choice integer
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(const :tag "No limit"
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:format "%t\n%d"
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:doc
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"With this choice, \
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the undo info for the current command never gets discarded.
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This should only be chosen under exceptional circumstances,
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since it could result in memory overflow and make Emacs crash."
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nil))
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"22.1")
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;; window.c
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(temp-buffer-show-function windows (choice (const nil) function))
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(next-screen-context-lines windows integer)
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(scroll-preserve-screen-position
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windows (choice
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(const :tag "Off (nil)" :value nil)
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(const :tag "Full screen (t)" :value t)
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(other :tag "Always" 1)) "22.1")
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(recenter-redisplay
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windows (choice
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(const :tag "Never (nil)" :value nil)
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(const :tag "Only on ttys" :value tty)
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(other :tag "Always" t)) "23.1")
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(window-combination-resize windows boolean "24.1")
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(window-combination-limit
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windows (choice
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(const :tag "Never (nil)" :value nil)
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(const :tag "For Temp Buffer Resize mode (temp-buffer-resize)"
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:value temp-buffer-resize)
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(const :tag "For temporary buffers (temp-buffer)"
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:value temp-buffer)
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(const :tag "For buffer display (display-buffer)"
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:value display-buffer)
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(other :tag "Always (t)" :value t))
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"24.3")
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;; xdisp.c
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(show-trailing-whitespace whitespace-faces boolean nil
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:safe booleanp)
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(scroll-step windows integer)
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(scroll-conservatively windows integer)
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(scroll-margin windows integer)
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(hscroll-margin windows integer "22.1")
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(hscroll-step windows number "22.1")
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(truncate-partial-width-windows display boolean "23.1")
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(make-cursor-line-fully-visible windows boolean)
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(mode-line-in-non-selected-windows mode-line boolean "22.1")
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(line-number-display-limit display
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(choice integer
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(const :tag "No limit" nil)))
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(line-number-display-limit-width display integer "22.1")
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(highlight-nonselected-windows display boolean)
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(message-log-max debug (choice (const :tag "Disable" nil)
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(integer :menu-tag "lines"
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:format "%v")
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(other :tag "Unlimited" t))
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"24.3")
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(unibyte-display-via-language-environment mule boolean)
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(blink-cursor-alist cursor alist "22.1")
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(overline-margin display integer "22.1")
|
|
(underline-minimum-offset display integer "23.1")
|
|
(mouse-autoselect-window
|
|
display (choice
|
|
(const :tag "Off (nil)" :value nil)
|
|
(const :tag "Immediate" :value t)
|
|
(number :tag "Delay by secs" :value 0.5)) "22.1")
|
|
(tool-bar-style
|
|
frames (choice
|
|
(const :tag "Images" :value image)
|
|
(const :tag "Text" :value text)
|
|
(const :tag "Both" :value both)
|
|
(const :tag "Both-horiz" :value both-horiz)
|
|
(const :tag "Text-image-horiz" :value text-image-horiz)
|
|
(const :tag "System default" :value nil)) "24.1")
|
|
(tool-bar-max-label-size frames integer "24.1")
|
|
(auto-hscroll-mode scrolling boolean "21.1")
|
|
(void-text-area-pointer cursor
|
|
(choice
|
|
(const :tag "Standard (text pointer)" :value nil)
|
|
(const :tag "Arrow" :value arrow)
|
|
(const :tag "Text pointer" :value text)
|
|
(const :tag "Hand" :value hand)
|
|
(const :tag "Vertical dragger" :value vdrag)
|
|
(const :tag "Horizontal dragger" :value hdrag)
|
|
(const :tag "Same as mode line" :value modeline)
|
|
(const :tag "Hourglass" :value hourglass)))
|
|
(display-hourglass cursor boolean)
|
|
(hourglass-delay cursor number)
|
|
|
|
;; xfaces.c
|
|
(scalable-fonts-allowed display boolean "22.1")
|
|
;; xfns.c
|
|
(x-bitmap-file-path installation
|
|
(repeat (directory :format "%v")))
|
|
(x-gtk-use-old-file-dialog menu boolean "22.1")
|
|
(x-gtk-show-hidden-files menu boolean "22.1")
|
|
(x-gtk-file-dialog-help-text menu boolean "22.1")
|
|
(x-gtk-whole-detached-tool-bar x boolean "22.1")
|
|
(x-gtk-use-system-tooltips tooltip boolean "23.3")
|
|
;; xterm.c
|
|
(x-use-underline-position-properties display boolean "22.1")
|
|
(x-underline-at-descent-line display boolean "22.1")
|
|
(x-stretch-cursor display boolean "21.1")
|
|
;; xselect.c
|
|
(x-select-enable-clipboard-manager killing boolean "24.1")
|
|
;; xsettings.c
|
|
(font-use-system-font font-selection boolean "23.2")))
|
|
this symbol group type standard version native-p rest prop propval
|
|
;; This function turns a value
|
|
;; into an expression which produces that value.
|
|
(quoter (lambda (sexp)
|
|
(if (or (memq sexp '(t nil))
|
|
(keywordp sexp)
|
|
(and (listp sexp)
|
|
(memq (car sexp) '(lambda)))
|
|
(stringp sexp)
|
|
(numberp sexp))
|
|
sexp
|
|
(list 'quote sexp)))))
|
|
(while all
|
|
(setq this (car all)
|
|
all (cdr all)
|
|
symbol (nth 0 this)
|
|
group (nth 1 this)
|
|
type (nth 2 this)
|
|
version (nth 3 this)
|
|
rest (nthcdr 4 this)
|
|
;; If we did not specify any standard value expression above,
|
|
;; use the current value as the standard value.
|
|
standard (if (setq prop (memq :standard rest))
|
|
(cadr prop)
|
|
(if (default-boundp symbol)
|
|
(funcall quoter (default-value symbol))))
|
|
;; Don't complain about missing variables which are
|
|
;; irrelevant to this platform.
|
|
native-p (save-match-data
|
|
(cond
|
|
((string-match "\\`dos-" (symbol-name symbol))
|
|
(eq system-type 'ms-dos))
|
|
((string-match "\\`w32-" (symbol-name symbol))
|
|
(eq system-type 'windows-nt))
|
|
((string-match "\\`ns-" (symbol-name symbol))
|
|
(featurep 'ns))
|
|
((string-match "\\`x-.*gtk" (symbol-name symbol))
|
|
(featurep 'gtk))
|
|
((string-match "clipboard-manager" (symbol-name symbol))
|
|
(boundp 'x-select-enable-clipboard-manager))
|
|
((string-match "\\`x-" (symbol-name symbol))
|
|
(fboundp 'x-create-frame))
|
|
((string-match "selection" (symbol-name symbol))
|
|
(fboundp 'x-selection-exists-p))
|
|
((string-match "fringe" (symbol-name symbol))
|
|
(fboundp 'define-fringe-bitmap))
|
|
((string-match "\\`imagemagick" (symbol-name symbol))
|
|
(fboundp 'imagemagick-types))
|
|
((equal "font-use-system-font" (symbol-name symbol))
|
|
(featurep 'system-font-setting))
|
|
;; Conditioned on x-create-frame, because that's
|
|
;; the condition for loadup.el to preload tool-bar.el.
|
|
((string-match "tool-bar-" (symbol-name symbol))
|
|
(fboundp 'x-create-frame))
|
|
((equal "vertical-centering-font-regexp"
|
|
(symbol-name symbol))
|
|
;; Any function from fontset.c will do.
|
|
(fboundp 'new-fontset))
|
|
(t t))))
|
|
(if (not (boundp symbol))
|
|
;; If variables are removed from C code, give an error here!
|
|
(and native-p
|
|
(message "Note, built-in variable `%S' not bound" symbol))
|
|
;; Save the standard value, unless we already did.
|
|
(or (get symbol 'standard-value)
|
|
(put symbol 'standard-value (list standard)))
|
|
;; We need these properties independent of whether cus-start is loaded.
|
|
(if (setq prop (memq :safe rest))
|
|
(put symbol 'safe-local-variable (cadr prop)))
|
|
(if (setq prop (memq :risky rest))
|
|
(put symbol 'risky-local-variable (cadr prop)))
|
|
(if (setq prop (memq :set rest))
|
|
(put symbol 'custom-set (cadr prop)))
|
|
;; Note this is the _only_ initialize property we handle.
|
|
(if (eq (cadr (memq :initialize rest)) 'custom-initialize-delay)
|
|
(push symbol custom-delayed-init-variables))
|
|
;; If this is NOT while dumping Emacs, set up the rest of the
|
|
;; customization info. This is the stuff that is not needed
|
|
;; until someone does M-x customize etc.
|
|
(unless purify-flag
|
|
;; Add it to the right group(s).
|
|
(if (listp group)
|
|
(dolist (g group)
|
|
(custom-add-to-group g symbol 'custom-variable))
|
|
(custom-add-to-group group symbol 'custom-variable))
|
|
;; Set the type.
|
|
(put symbol 'custom-type type)
|
|
(if version (put symbol 'custom-version version))
|
|
(while rest
|
|
(setq prop (car rest)
|
|
propval (cadr rest)
|
|
rest (nthcdr 2 rest))
|
|
(cond ((memq prop '(:standard :risky :safe :set))) ; handled above
|
|
((eq prop :tag)
|
|
(put symbol 'custom-tag propval))))))))
|
|
|
|
(custom-add-to-group 'iswitchb 'read-buffer-function 'custom-variable)
|
|
(custom-add-to-group 'font-lock 'open-paren-in-column-0-is-defun-start
|
|
'custom-variable)
|
|
|
|
;; Record cus-start as loaded if we have set up all the info that we can.
|
|
;; Don't record it as loaded if we have only set up the standard values
|
|
;; and safe/risky properties.
|
|
(unless purify-flag
|
|
(provide 'cus-start))
|
|
|
|
;;; cus-start.el ends here
|