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428
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1 ;;; abbrev.el --- abbrev mode commands for Emacs
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2
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3 ;; Copyright (C) 1985, 1986, 1987, 1992, 1997 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: XEmacs Development Team
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6 ;; Keywords: abbrev, dumped
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: FSF 19.34 (With some additions)
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26
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27 ;;; Commentary:
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28
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29 ;; This file is dumped with XEmacs.
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30
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31 ;; This facility is documented in the Emacs Manual.
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32
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33 ;;; Code:
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34
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35 (defgroup abbrev nil
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36 "Abbreviation handling, typing shortcuts, macros."
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37 :tag "Abbreviations"
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38 :group 'editing)
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39
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40 (defgroup abbrev-mode nil
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41 "Word abbreviations mode."
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42 :group 'abbrev)
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43
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44 ;jwz: this is preloaded so don't ;;;###autoload
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45 (defcustom only-global-abbrevs nil "\
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46 *Non-nil means user plans to use global abbrevs only.
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47 Makes the commands to define mode-specific abbrevs define global ones instead."
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48 :type 'boolean
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49 :group 'abbrev)
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50
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51 ;;; XEmacs: the following block of code is not in FSF
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52 (defvar abbrev-table-name-list '()
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53 "List of symbols whose values are abbrev tables.")
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54
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55 (defvar abbrevs-changed nil
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56 "Set non-nil by defining or altering any word abbrevs.
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57 This causes `save-some-buffers' to offer to save the abbrevs.")
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58
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59 (defun make-abbrev-table ()
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60 "Return a new, empty abbrev table object."
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61 (make-vector 59 0)) ; 59 is prime
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62
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63 (defun clear-abbrev-table (table)
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64 "Undefine all abbrevs in abbrev table TABLE, leaving it empty."
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65 (fillarray table 0)
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66 (setq abbrevs-changed t)
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67 nil)
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68
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69
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70 (defun define-abbrev-table (name defs)
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71 "Define TABNAME (a symbol) as an abbrev table name.
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72 Define abbrevs in it according to DEFINITIONS, which is a list of elements
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73 of the form (ABBREVNAME EXPANSION HOOK USECOUNT)."
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74 (let ((table (and (boundp name) (symbol-value name))))
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75 (cond ((vectorp table))
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76 ((not table)
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77 (setq table (make-abbrev-table))
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78 (set name table)
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79 (setq abbrev-table-name-list (cons name abbrev-table-name-list)))
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80 (t
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81 (setq table (signal 'wrong-type-argument (list 'vectorp table)))
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82 (set name table)))
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83 (while defs
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84 (apply (function define-abbrev) table (car defs))
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85 (setq defs (cdr defs)))))
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86
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87 (defun define-abbrev (table name &optional expansion hook count)
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88 "Define an abbrev in TABLE named NAME, to expand to EXPANSION or call HOOK.
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89 NAME and EXPANSION are strings. Hook is a function or `nil'.
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90 To undefine an abbrev, define it with an expansion of `nil'."
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91 (or (not expansion)
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92 (stringp expansion)
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93 (setq expansion (signal 'wrong-type-argument
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94 (list 'stringp expansion))))
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95 (or (not count)
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96 (integerp count)
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97 (setq count (signal 'wrong-type-argument
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98 (list 'fixnump count))))
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99 (or (vectorp table)
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100 (setq table (signal 'wrong-type-argument
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101 (list 'vectorp table))))
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102 (let* ((sym (intern name table))
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103 (oexp (and (boundp sym) (symbol-value sym)))
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104 (ohook (and (fboundp sym) (symbol-function sym))))
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105 (unless (and (equal ohook hook)
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106 (stringp oexp)
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107 (stringp expansion)
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108 (string-equal oexp expansion))
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109 (setq abbrevs-changed t)
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110 ;; If there is a non-word character in the string, set the flag.
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111 (if (string-match "\\W" name)
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112 (set (intern " " table) nil)))
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113 (set sym expansion)
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114 (fset sym hook)
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115 (setplist sym (or count 0))
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116 name))
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117
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118
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119 ;; Fixup stuff from bootstrap def of define-abbrev-table in subr.el
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120 (let ((l abbrev-table-name-list))
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121 (while l
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122 (let ((fixup (car l)))
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123 (if (consp fixup)
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124 (progn
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125 (setq abbrev-table-name-list (delq fixup abbrev-table-name-list))
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126 (define-abbrev-table (car fixup) (cdr fixup))))
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127 (setq l (cdr l))))
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128 ;; These are no longer initialized by C code
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129 (if (not global-abbrev-table)
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130 (progn
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131 (setq global-abbrev-table (make-abbrev-table))
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132 (setq abbrev-table-name-list (cons 'global-abbrev-table
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133 abbrev-table-name-list))))
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134 (if (not fundamental-mode-abbrev-table)
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135 (progn
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136 (setq fundamental-mode-abbrev-table (make-abbrev-table))
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137 (setq abbrev-table-name-list (cons 'fundamental-mode-abbrev-table
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138 abbrev-table-name-list))))
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139 (and (eq major-mode 'fundamental-mode)
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140 (not local-abbrev-table)
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141 (setq local-abbrev-table fundamental-mode-abbrev-table)))
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142
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143
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144 (defun define-global-abbrev (name expansion)
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145 "Define ABBREV as a global abbreviation for EXPANSION."
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146 (interactive "sDefine global abbrev: \nsExpansion for %s: ")
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147 (define-abbrev global-abbrev-table
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148 (downcase name) expansion nil 0))
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149
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150 (defun define-mode-abbrev (name expansion)
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151 "Define ABBREV as a mode-specific abbreviation for EXPANSION."
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152 (interactive "sDefine mode abbrev: \nsExpansion for %s: ")
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153 (define-abbrev (or local-abbrev-table
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154 (error "Major mode has no abbrev table"))
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155 (downcase name) expansion nil 0))
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156
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157 (defun abbrev-symbol (abbrev &optional table)
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158 "Return the symbol representing abbrev named ABBREV.
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159 This symbol's name is ABBREV, but it is not the canonical symbol of that name;
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160 it is interned in an abbrev-table rather than the normal obarray.
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161 The value is nil if that abbrev is not defined.
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162 Optional second arg TABLE is abbrev table to look it up in.
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163 The default is to try buffer's mode-specific abbrev table, then global table."
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164 (let ((frob (function (lambda (table)
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165 (let ((sym (intern-soft abbrev table)))
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166 (if (and (boundp sym)
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167 (stringp (symbol-value sym)))
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168 sym
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169 nil))))))
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170 (if table
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171 (funcall frob table)
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172 (or (and local-abbrev-table
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173 (funcall frob local-abbrev-table))
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174 (funcall frob global-abbrev-table)))))
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175
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176 (defun abbrev-expansion (abbrev &optional table)
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177 "Return the string that ABBREV expands into in the current buffer.
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178 Optionally specify an abbrev table as second arg;
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179 then ABBREV is looked up in that table only."
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180 (let ((sym (abbrev-symbol abbrev table)))
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181 (if sym
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182 (symbol-value sym)
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183 nil)))
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184
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185 (defun unexpand-abbrev ()
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186 "Undo the expansion of the last abbrev that expanded.
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187 This differs from ordinary undo in that other editing done since then
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188 is not undone."
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189 (interactive)
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190 (if (or (< last-abbrev-location (point-min))
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191 (> last-abbrev-location (point-max))
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192 (not (stringp last-abbrev-text)))
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193 nil
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194 (let* ((opoint (point))
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195 (val (symbol-value last-abbrev))
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196 (adjust (length val)))
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197 ;; This isn't correct if (symbol-function last-abbrev-text)
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198 ;; was used to do the expansion
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199 (goto-char last-abbrev-location)
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200 (delete-region last-abbrev-location (+ last-abbrev-location adjust))
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201 (insert last-abbrev-text)
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202 (setq adjust (- adjust (length last-abbrev-text)))
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203 (setq last-abbrev-text nil)
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204 (if (< last-abbrev-location opoint)
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205 (goto-char (- opoint adjust))
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206 (goto-char opoint)))))
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207
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208
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209
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210 (defun insert-abbrev-table-description (name human-readable)
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211 "Insert before point a full description of abbrev table named NAME.
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212 NAME is a symbol whose value is an abbrev table.
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213 If optional 2nd arg HUMAN is non-nil, insert a human-readable description.
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214 Otherwise the description is an expression,
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215 a call to `define-abbrev-table', which would
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216 define the abbrev table NAME exactly as it is currently defined."
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217 (let ((table (symbol-value name))
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218 (stream (current-buffer)))
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219 (message "Abbrev-table %s..." name)
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220 (if human-readable
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221 (progn
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222 (prin1 (list name) stream)
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223 ;; Need two terpri's or cretinous edit-abbrevs blows out
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224 (terpri stream)
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225 (terpri stream)
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226 (mapatoms (function (lambda (sym)
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227 (if (symbol-value sym)
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228 (let* ((n (prin1-to-string (symbol-name sym)))
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229 (pos (length n)))
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230 (princ n stream)
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231 (while (< pos 14)
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232 (write-char ?\ stream)
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233 (setq pos (1+ pos)))
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234 (princ (format " %-5S " (symbol-plist sym))
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235 stream)
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236 (if (not (symbol-function sym))
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237 (prin1 (symbol-value sym) stream)
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238 (progn
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239 (setq n (prin1-to-string (symbol-value sym))
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240 pos (+ pos 6 (length n)))
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241 (princ n stream)
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242 (while (< pos 45)
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243 (write-char ?\ stream)
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244 (setq pos (1+ pos)))
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245 (prin1 (symbol-function sym) stream)))
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246 (terpri stream)))))
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247 table)
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248 (terpri stream))
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249 (progn
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250 (princ "\(define-abbrev-table '" stream)
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251 (prin1 name stream)
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252 (princ " '\(\n" stream)
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253 (mapatoms (function (lambda (sym)
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254 (if (symbol-value sym)
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255 (progn
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256 (princ " " stream)
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257 (prin1 (list (symbol-name sym)
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258 (symbol-value sym)
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259 (symbol-function sym)
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260 (symbol-plist sym))
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261 stream)
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262 (terpri stream)))))
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263 table)
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264 (princ " \)\)\n" stream)))
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265 (terpri stream))
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266 (message ""))
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267 ;;; End code not in FSF
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268
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269 (defun abbrev-mode (arg)
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270 "Toggle abbrev mode.
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271 With argument ARG, turn abbrev mode on iff ARG is positive.
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272 In abbrev mode, inserting an abbreviation causes it to expand
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273 and be replaced by its expansion."
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274 (interactive "P")
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275 (setq abbrev-mode
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276 (if (null arg) (not abbrev-mode)
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277 (> (prefix-numeric-value arg) 0)))
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278 ;; XEmacs change
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279 (redraw-modeline))
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280
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281
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282 (defvar edit-abbrevs-map nil
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283 "Keymap used in edit-abbrevs.")
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284 (if edit-abbrevs-map
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285 nil
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286 (setq edit-abbrevs-map (make-sparse-keymap))
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287 ;; XEmacs change
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288 (set-keymap-name edit-abbrevs-map 'edit-abbrevs-map)
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289 (define-key edit-abbrevs-map "\C-x\C-s" 'edit-abbrevs-redefine)
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290 (define-key edit-abbrevs-map "\C-c\C-c" 'edit-abbrevs-redefine))
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291
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292 (defun kill-all-abbrevs ()
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293 "Undefine all defined abbrevs."
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294 (interactive)
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295 (let ((tables abbrev-table-name-list))
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296 (while tables
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297 (clear-abbrev-table (symbol-value (car tables)))
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298 (setq tables (cdr tables)))))
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299
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300 (defun insert-abbrevs ()
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301 "Insert after point a description of all defined abbrevs.
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302 Mark is set after the inserted text."
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303 (interactive)
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304 (push-mark
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305 (save-excursion
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306 (let ((tables abbrev-table-name-list))
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307 (while tables
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308 (insert-abbrev-table-description (car tables) t)
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309 (setq tables (cdr tables))))
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310 (point))))
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311
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312 (defun list-abbrevs ()
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313 "Display a list of all defined abbrevs."
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314 (interactive)
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315 (display-buffer (prepare-abbrev-list-buffer)))
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316
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317 (defun prepare-abbrev-list-buffer ()
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318 (save-excursion
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319 (set-buffer (get-buffer-create "*Abbrevs*"))
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320 (erase-buffer)
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321 (let ((tables abbrev-table-name-list))
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322 (while tables
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323 (insert-abbrev-table-description (car tables) t)
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324 (setq tables (cdr tables))))
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325 (goto-char (point-min))
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326 (set-buffer-modified-p nil)
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327 (edit-abbrevs-mode))
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328 (get-buffer-create "*Abbrevs*"))
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329
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330 (defun edit-abbrevs-mode ()
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331 "Major mode for editing the list of abbrev definitions.
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332 \\{edit-abbrevs-map}"
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333 (interactive)
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334 (setq major-mode 'edit-abbrevs-mode)
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335 (setq mode-name "Edit-Abbrevs")
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336 (use-local-map edit-abbrevs-map))
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337
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338 (defun edit-abbrevs ()
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339 "Alter abbrev definitions by editing a list of them.
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340 Selects a buffer containing a list of abbrev definitions.
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341 You can edit them and type \\<edit-abbrevs-map>\\[edit-abbrevs-redefine] to redefine abbrevs
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342 according to your editing.
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343 Buffer contains a header line for each abbrev table,
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344 which is the abbrev table name in parentheses.
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345 This is followed by one line per abbrev in that table:
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346 NAME USECOUNT EXPANSION HOOK
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347 where NAME and EXPANSION are strings with quotes,
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348 USECOUNT is an integer, and HOOK is any valid function
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349 or may be omitted (it is usually omitted)."
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350 (interactive)
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351 (switch-to-buffer (prepare-abbrev-list-buffer)))
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352
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353 (defun edit-abbrevs-redefine ()
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354 "Redefine abbrevs according to current buffer contents."
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355 (interactive)
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356 (define-abbrevs t)
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357 (set-buffer-modified-p nil))
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358
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359 (defun define-abbrevs (&optional arg)
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360 "Define abbrevs according to current visible buffer contents.
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361 See documentation of `edit-abbrevs' for info on the format of the
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362 text you must have in the buffer.
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363 With argument, eliminate all abbrev definitions except
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364 the ones defined from the buffer now."
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365 (interactive "P")
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366 (if arg (kill-all-abbrevs))
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367 (save-excursion
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368 (goto-char (point-min))
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369 (while (and (not (eobp)) (re-search-forward "^(" nil t))
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370 (let* ((buf (current-buffer))
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371 (table (read buf))
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372 abbrevs name hook exp count)
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373 (forward-line 1)
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374 (while (progn (forward-line 1)
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375 (not (eolp)))
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376 (setq name (read buf) count (read buf) exp (read buf))
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377 (skip-chars-backward " \t\n\f")
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378 (setq hook (if (not (eolp)) (read buf)))
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379 (skip-chars-backward " \t\n\f")
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380 (setq abbrevs (cons (list name exp hook count) abbrevs)))
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381 (define-abbrev-table table abbrevs)))))
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382
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383 (defun read-abbrev-file (&optional file quietly)
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384 "Read abbrev definitions from file written with `write-abbrev-file'.
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385 Optional argument FILE is the name of the file to read;
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386 it defaults to the value of `abbrev-file-name'.
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387 Optional second argument QUIETLY non-nil means don't print anything."
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388 (interactive "fRead abbrev file: ")
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389 (load (if (and file (> (length file) 0)) file abbrev-file-name)
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390 nil quietly)
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391 (setq save-abbrevs t abbrevs-changed nil))
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392
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393 (defun quietly-read-abbrev-file (&optional file)
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394 "Read abbrev definitions from file written with write-abbrev-file.
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395 Optional argument FILE is the name of the file to read;
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396 it defaults to the value of `abbrev-file-name'.
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397 Does not print anything."
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398 ;(interactive "fRead abbrev file: ")
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399 (read-abbrev-file file t))
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400
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401 (defun write-abbrev-file (file)
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402 "Write all abbrev definitions to a file of Lisp code.
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403 The file written can be loaded in another session to define the same abbrevs.
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404 The argument FILE is the file name to write."
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405 (interactive
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406 (list
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407 (read-file-name "Write abbrev file: "
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408 (file-name-directory (expand-file-name abbrev-file-name))
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409 abbrev-file-name)))
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410 (or (and file (> (length file) 0))
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411 (setq file abbrev-file-name))
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412 (save-excursion
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413 (set-buffer (get-buffer-create " write-abbrev-file"))
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414 (erase-buffer)
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415 (let ((tables abbrev-table-name-list))
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416 (while tables
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417 (insert-abbrev-table-description (car tables) nil)
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418 (setq tables (cdr tables))))
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419 (write-region 1 (point-max) file)
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420 (erase-buffer)))
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421
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442
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422 (defun abbrev-string-to-be-defined (arg)
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423 "Return the string for which an abbrev will be defined.
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424 ARG is the argument to `add-global-abbrev' or `add-mode-abbrev'."
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425 (if (and (not arg) (region-active-p)) (setq arg 0)
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426 (setq arg (prefix-numeric-value arg)))
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427 (and (>= arg 0)
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428 (buffer-substring
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429 (point)
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430 (if (= arg 0) (mark)
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431 (save-excursion (forward-word (- arg)) (point))))))
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432
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428
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433 (defun add-mode-abbrev (arg)
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434 "Define mode-specific abbrev for last word(s) before point.
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435 Argument is how many words before point form the expansion;
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436 or zero means the region is the expansion.
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437 A negative argument means to undefine the specified abbrev.
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438 Reads the abbreviation in the minibuffer.
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439
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440 Don't use this function in a Lisp program; use `define-abbrev' instead."
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441 ;; XEmacs change:
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442 (interactive "P")
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443 (add-abbrev
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444 (if only-global-abbrevs
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445 global-abbrev-table
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446 (or local-abbrev-table
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447 (error "No per-mode abbrev table")))
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448 "Mode" arg))
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449
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450 (defun add-global-abbrev (arg)
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451 "Define global (all modes) abbrev for last word(s) before point.
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452 The prefix argument specifies the number of words before point that form the
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453 expansion; or zero means the region is the expansion.
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454 A negative argument means to undefine the specified abbrev.
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455 This command uses the minibuffer to read the abbreviation.
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456
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457 Don't use this function in a Lisp program; use `define-abbrev' instead."
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458 ;; XEmacs change:
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459 (interactive "P")
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460 (add-abbrev global-abbrev-table "Global" arg))
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461
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462 (defun add-abbrev (table type arg)
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463 ;; XEmacs change:
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442
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464 (let ((exp (abbrev-string-to-be-defined arg))
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428
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465 name)
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466 (setq name
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467 (read-string (format (if exp "%s abbrev for \"%s\": "
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468 "Undefine %s abbrev: ")
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469 type exp)))
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470 (set-text-properties 0 (length name) nil name)
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471 (if (or (null exp)
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472 (not (abbrev-expansion name table))
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473 (y-or-n-p (format "%s expands to \"%s\"; redefine? "
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474 name (abbrev-expansion name table))))
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475 (define-abbrev table (downcase name) exp))))
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476
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442
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477 (defun inverse-abbrev-string-to-be-defined (arg)
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478 "Return the string for which an inverse abbrev will be defined.
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479 ARG is the argument to `inverse-add-global-abbrev' or
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480 `inverse-add-mode-abbrev'."
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481 (save-excursion
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482 (forward-word (- arg))
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483 (buffer-substring (point) (progn (forward-word 1) (point)))))
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484
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428
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485 (defun inverse-add-mode-abbrev (arg)
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486 "Define last word before point as a mode-specific abbrev.
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487 With prefix argument N, defines the Nth word before point.
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488 This command uses the minibuffer to read the expansion.
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489 Expands the abbreviation after defining it."
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490 (interactive "p")
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491 (inverse-add-abbrev
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492 (if only-global-abbrevs
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493 global-abbrev-table
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494 (or local-abbrev-table
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495 (error "No per-mode abbrev table")))
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496 "Mode" arg))
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497
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498 (defun inverse-add-global-abbrev (arg)
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499 "Define last word before point as a global (mode-independent) abbrev.
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500 With prefix argument N, defines the Nth word before point.
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501 This command uses the minibuffer to read the expansion.
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502 Expands the abbreviation after defining it."
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503 (interactive "p")
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504 (inverse-add-abbrev global-abbrev-table "Global" arg))
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505
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506 (defun inverse-add-abbrev (table type arg)
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507 (let (name nameloc exp)
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508 (save-excursion
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509 (forward-word (- arg))
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510 (setq name (buffer-substring (point) (progn (forward-word 1)
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511 (setq nameloc (point))))))
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512 (set-text-properties 0 (length name) nil name)
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513 (setq exp (read-string (format "%s expansion for \"%s\": "
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514 type name)))
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515 (if (or (not (abbrev-expansion name table))
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516 (y-or-n-p (format "%s expands to \"%s\"; redefine? "
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517 name (abbrev-expansion name table))))
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518 (progn
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519 (define-abbrev table (downcase name) exp)
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520 (save-excursion
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521 (goto-char nameloc)
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522 (expand-abbrev))))))
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523
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524 (defun abbrev-prefix-mark (&optional arg)
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525 "Mark current point as the beginning of an abbrev.
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526 Abbrev to be expanded starts here rather than at beginning of word.
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527 This way, you can expand an abbrev with a prefix: insert the prefix,
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528 use this command, then insert the abbrev."
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529 (interactive "P")
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530 (or arg (expand-abbrev))
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531 (setq abbrev-start-location (point-marker)
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532 abbrev-start-location-buffer (current-buffer))
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533 (let ((e (make-extent (point) (point))))
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534 (set-extent-begin-glyph e (make-glyph [string :data "-"]))))
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535
|
|
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536 (defun expand-region-abbrevs (start end &optional noquery)
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537 "For abbrev occurrence in the region, offer to expand it.
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538 The user is asked to type y or n for each occurrence.
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539 A prefix argument means don't query; expand all abbrevs.
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540 If called from a Lisp program, arguments are START END &optional NOQUERY."
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541 (interactive "r\nP")
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542 (save-excursion
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|
543 (goto-char start)
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544 (let ((lim (- (point-max) end))
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545 pnt string)
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546 (while (and (not (eobp))
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547 (progn (forward-word 1)
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548 (<= (setq pnt (point)) (- (point-max) lim))))
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549 (if (abbrev-expansion
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550 (setq string
|
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551 (buffer-substring
|
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|
552 (save-excursion (forward-word -1) (point))
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|
553 pnt)))
|
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|
554 (if (or noquery (y-or-n-p (format "Expand `%s'? " string)))
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|
|
555 (expand-abbrev)))))))
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556
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557 ;;; abbrev.el ends here
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