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1 ;;; cus-start.el --- define customization properties of builtins.
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2 ;;
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3 ;; Copyright (C) 1997 Free Software Foundation, Inc.
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4 ;;
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5 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
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6 ;; Keywords: internal
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7
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8 ;;; Commentary:
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9 ;;
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10 ;; Must be run before the user has changed the value of any options!
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11
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12 ;;; Code:
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13
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14 (require 'custom)
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15
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16 (defun custom-start-quote (sexp)
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17 ;; This is copied from `cus-edit.el'.
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18 "Quote SEXP iff it is not self quoting."
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19 (if (or (memq sexp '(t nil))
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20 (and (symbolp sexp)
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21 (eq (aref (symbol-name sexp) 0) ?:))
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22 (and (listp sexp)
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23 (memq (car sexp) '(lambda)))
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24 (stringp sexp)
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25 (numberp sexp)
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26 (and (fboundp 'characterp)
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27 (characterp sexp)))
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28 sexp
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29 (list 'quote sexp)))
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30
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31 ;; The file names below are unreliable, as they are from Emacs 19.34.
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32 (let ((all '(;; abbrev.c
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33 (abbrev-all-caps abbrev-mode boolean)
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34 (pre-abbrev-expand-hook abbrev-mode hook)
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35 ;; alloc.c
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36 (gc-cons-threshold alloc integer)
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37 ;; buffer.c
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38 (modeline-format modeline sexp) ;Hard to do right.
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39 (default-major-mode internal function)
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40 (case-fold-search matching boolean)
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41 (fill-column fill integer)
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42 (left-margin fill integer)
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43 (tab-width editing-basics integer)
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44 (ctl-arrow display boolean)
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45 (truncate-lines display boolean)
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46 (selective-display display
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47 (choice (const :tag "off" nil)
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48 (integer :tag "space"
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49 :format "%v"
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50 1)
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51 (const :tag "on" t)))
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52 (selective-display-ellipses display boolean)
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53 ;; callproc.c
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54 (shell-file-name execute file)
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55 (exec-path execute
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56 (repeat (choice (const :tag "default" nil)
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57 (file :format "%v"))))
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58 ;; dired.c
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59 (completion-ignored-extensions dired
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60 (repeat (string :format "%v")))
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61 ;; dispnew.el
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62 (visible-bell display boolean)
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63 (no-redraw-on-reenter display boolean)
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64 ;; eval.c
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65 (max-specpdl-size limits integer)
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66 (max-lisp-eval-depth limits integer)
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67 (stack-trace-on-error debug
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68 (choice (const :tag "off")
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69 (repeat :menu-tag "When"
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70 :value (nil)
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71 (symbol :format "%v"))
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72 (const :tag "always" t)))
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73 (debug-on-error debug
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74 (choice (const :tag "off")
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75 (repeat :menu-tag "When"
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76 :value (nil)
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77 (symbol :format "%v"))
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78 (const :tag "always" t)))
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79 (debug-on-quit debug choice)
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80 ;; frame.c
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81 (default-frame-plist frames
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82 (repeat (cons :format "%v"
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83 (symbol :tag "Parameter")
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84 (sexp :tag "Value"))))
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85 ;; indent.c
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86 (indent-tabs-mode fill boolean)
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87 ;; keyboard.c
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88 (meta-prefix-char keyboard character)
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89 (auto-save-interval auto-save integer)
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90 (echo-keystrokes minibuffer boolean)
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91 (help-char keyboard character)
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92 ;; lread.c
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93 (load-path environment
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94 (repeat (choice :tag "Directory"
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95 (const :tag "default" nil)
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96 (directory :format "%v"))))
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97 ;; process.c
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98 (delete-exited-processes proces-basics boolean)
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99 ;; syntax.c
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100 (parse-sexp-ignore-comments editing-basics boolean)
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101 (words-include-escapes editing-basics boolean)
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102 ;; window.c
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103 (temp-buffer-show-function windows function)
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104 (next-screen-context-lines windows boolean)
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105 (window-min-height windows integer)
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106 (window-min-width windows integer)
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107 ;; xdisp.c
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108 (scroll-step windows integer)
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109 (truncate-partial-width-windows display boolean)
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110 ;; xfns.c
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111 (x-bitmap-file-path installation
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112 (repeat (directory :format "%v")))))
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113 this symbol group type)
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114 (while all
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115 (setq this (car all)
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116 all (cdr all)
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117 symbol (nth 0 this)
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118 group (nth 1 this)
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119 type (nth 2 this))
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120 (if (not (boundp symbol))
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121 ;; This is loaded so early, there is no message
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122 (if (fboundp 'message)
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123 ;; If variables are removed from C code, give an error here!
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124 (message "Intrinsic `%S' not bound" symbol))
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125 ;; This is called before any user can have changed the value.
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126 (put symbol 'factory-value
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127 (list (custom-start-quote (default-value symbol))))
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128 ;; Add it to the right group.
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129 (custom-add-to-group group symbol 'custom-variable)
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130 ;; Set the type.
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131 (put symbol 'custom-type type))))
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132
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133 ;; This is to prevent it from being reloaded by `cus-load.el'.
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134 (provide 'cus-start)
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135
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136 ;;; cus-start.el ends here.
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