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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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142
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32 (let ((all '(;; boolean
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33 (abbrev-all-caps abbrev boolean)
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34 (allow-deletion-of-last-visible-frame frames boolean)
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35 (debug-on-quit debug boolean)
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36 (delete-auto-save-files auto-save boolean)
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37 (delete-exited-processes processes-basics boolean)
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38 (indent-tabs-mode editing-basics boolean)
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39 (load-ignore-elc-files maint boolean)
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40 (load-warn-when-source-newer maint boolean)
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41 (load-warn-when-source-only maint boolean)
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42 (modifier-keys-are-sticky keyboard boolean)
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43 (no-redraw-on-reenter display boolean)
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44 (scroll-on-clipped-lines display boolean)
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45 (truncate-partial-width-windows display boolean)
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46 (visible-bell sound boolean)
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47 (x-allow-sendevents x boolean)
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48 (zmacs-regions editing-basics boolean)
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49 ;; integer
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50 (auto-save-interval auto-save integer)
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51 (bell-volume sound integer)
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52 (echo-keystrokes keyboard integer)
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124
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53 (gc-cons-threshold alloc integer)
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142
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54 (next-screen-context-lines display integer)
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55 (scroll-step windows integer)
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56 (window-min-height windows integer)
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57 (window-min-width windows integer)
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58 ;; object
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59 (auto-save-file-format auto-save
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60 (choice (const :tag "Normal" t)
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61 (repeat (symbol :tag "Format"))))
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62 (completion-ignored-extensions minibuffer
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63 (repeat
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64 (string :format "%v")))
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65 (debug-on-error debug (choice (const :tag "off" nil)
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66 (const :tag "Always" t)
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67 (repeat :menu-tag "When"
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68 :value (nil)
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69 (symbol
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70 :tag "Condition"))))
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71 (debug-on-signal debug (choice (const :tag "off" nil)
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72 (const :tag "Always" t)
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73 (repeat :menu-tag "When"
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74 :value (nil)
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75 (symbol
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76 :tag "Condition"))))
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77 (exec-path processes-basics (repeat
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78 (choice :tag "Directory"
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79 (const :tag "Default" nil)
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80 (directory :format "%v"))))
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81 (file-name-handler-alist data (repeat
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82 (cons regexp
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83 (function :tag "Handler"))))
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84 (shell-file-name execute file)
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85 (stack-trace-on-error debug (choice (const :tag "off" nil)
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86 (const :tag "Always" t)
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87 (repeat :menu-tag "When"
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88 :value (nil)
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89 (symbol
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90 :tag "Condition"))))
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91 (stack-trace-on-signal debug (choice (const :tag "off" nil)
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92 (const :tag "Always" t)
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93 (repeat :menu-tag "When"
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94 :value (nil)
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95 (symbol
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96 :tag "Condition"))))
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97 ;; buffer-local
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124
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98 (case-fold-search matching boolean)
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142
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99 (ctl-arrow display (choice (integer 160)
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100 (sexp :tag "160 (default)"
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101 :format "%t\n")))
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124
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102 (fill-column fill integer)
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103 (left-margin fill integer)
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104 (tab-width editing-basics integer)
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105 (truncate-lines display boolean)
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142
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106 ;; not documented as user-options, but should still be
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107 ;; customizable:
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108 (default-frame-plist frames (repeat
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109 (list :inline t
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110 :format "%v"
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111 (symbol :tag "Parameter")
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112 (sexp :tag "Value"))))
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113 (help-char keyboard character)
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114 (max-lisp-eval-depth limits integer)
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115 (max-specpdl-size limits integer)
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116 (meta-prefix-char keyboard character)
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117 (parse-sexp-ignore-comments editing-basics boolean)
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124
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118 (selective-display display
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119 (choice (const :tag "off" nil)
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120 (integer :tag "space"
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121 :format "%v"
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122 1)
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123 (const :tag "on" t)))
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124 (selective-display-ellipses display boolean)
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142
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125 (signal-error-on-buffer-boundary internal boolean)
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124
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126 (words-include-escapes editing-basics boolean)
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142
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127 (temp-buffer-show-function
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128 windows (radio (function-item :tag "Temp Buffers Always in Same Frame"
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129 :format "%t\n"
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130 show-temp-buffer-in-current-frame)
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131 (const :tag "Temp Buffers Like Other Buffers" nil)
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132 (function :tag "Other")))))
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124
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133 this symbol group type)
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134 (while all
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135 (setq this (car all)
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136 all (cdr all)
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137 symbol (nth 0 this)
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138 group (nth 1 this)
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139 type (nth 2 this))
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140 (if (not (boundp symbol))
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141 ;; This is loaded so early, there is no message
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142 (if (fboundp 'message)
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143 ;; If variables are removed from C code, give an error here!
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144 (message "Intrinsic `%S' not bound" symbol))
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145 ;; This is called before any user can have changed the value.
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153
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146 (put symbol 'standard-value
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124
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147 (list (custom-start-quote (default-value symbol))))
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148 ;; Add it to the right group.
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149 (custom-add-to-group group symbol 'custom-variable)
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150 ;; Set the type.
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151 (put symbol 'custom-type type))))
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152
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153 ;; This is to prevent it from being reloaded by `cus-load.el'.
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154 (provide 'cus-start)
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155
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156 ;;; cus-start.el ends here.
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