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1 ;; Copyright (C) 1989 Free Software Foundation
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2
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3 ;; This file is part of GNU Emacs.
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4
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5 ;; GNU Emacs is distributed in the hope that it will be useful,
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6 ;; but WITHOUT ANY WARRANTY. No author or distributor
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7 ;; accepts responsibility to anyone for the consequences of using it
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8 ;; or for whether it serves any particular purpose or works at all,
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9 ;; unless he says so in writing. Refer to the GNU Emacs General Public
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10 ;; License for full details.
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11
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12 ;; Everyone is granted permission to copy, modify and redistribute
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13 ;; GNU Emacs, but only under the conditions described in the
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14 ;; GNU Emacs General Public License. A copy of this license is
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15 ;; supposed to have been given to you along with GNU Emacs so you
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16 ;; can know your rights and responsibilities. It should be in a
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17 ;; file named COPYING. Among other things, the copyright notice
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18 ;; and this notice must be preserved on all copies.
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19 ;;
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20 ;;; Synched up with: Not in FSF.
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21
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22 ;; Author Jason R. Glasgow (glasgow@cs.yale.edu)
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23 ;; Modified from telnet.el by William F. Schelter
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24 ;; But almost entirely different.
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25 ;;
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26 ;; Modified by Dirk Grunwald to maintain an open connection.
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27 ;;
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28 ;; 3/18/89 Ashwin Ram <Ram-Ashwin@yale.edu>
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29 ;; Added webster-mode.
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30 ;; Fixed documentation.
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31 ;;
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32 ;; 3/20/89 Dirk Grunwald <grunwald@flute.cs.uiuc.edu>
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33 ;; Merged Rams changes with new additions: smarter window placement,
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34 ;; correctly handles un-exposed webster windows, minor cleanups.
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35 ;; Also, ``webster-word'', akin to ``spell-word''.
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36 ;;
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37 ;; To use this, you might want to add this line to your .emacs file:
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38 ;;
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39 ;; (autoload 'webster "webster" "look up a word in Webster's 7th edition" t)
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40 ;;
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41 ;; Then just hit M-x webster to look up a word.
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42 ;;
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43 ;; 3/21/89 Dave Sill <dsill@relay.nswc.navy.mil>
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44 ;; Removed webster-word and webster-define, adding default of current word to
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45 ;; webster, webster-spell, and webster-endings instead.
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46 ;;
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47 ;; 1/21/91 Jamie Zawinski <jwz@lucid.com>
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48 ;; Added webster-reformat to produce better looking output. Made it notice
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49 ;; references to other words in the definitions (all upper-case) and do
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50 ;; completion on them in the string read by meta-x webster.
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51 ;;
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52 ;; 9/14/91 Jamie Zawinski <jwz@lucid.com>
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53 ;; Improved the above.
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54 ;;
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55 ;; 4/15/92 Jamie Zawinski <jwz@lucid.com>
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56 ;; Improved formatting some more, and added Lucid GNU Emacs font and mouse
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57 ;; support (mostly cannibalized from webster-ucb.el.)
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58
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59 (defvar webster-host "agate.berkeley.edu" ;"129.79.254.192"
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60 "The host to use as a webster server.")
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61
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62 (defvar webster-port "2627"
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63 "The port to connect to. Either 103 or 2627")
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64
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65 (defvar webster-process nil
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66 "The current webster process")
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67
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68 (defvar webster-process-name "webster"
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69 "The current webster process")
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70
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71 (defvar webster-buffer nil
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72 "The current webster process")
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73
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74 (defvar webster-running nil
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75 "Used to determine when connection is established")
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76
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77 ;;;
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78 ;;; Initial filter for ignoring information until successfully connected
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79 ;;;
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80 (defun webster-initial-filter (proc string)
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81 (let ((this-buffer (current-buffer)))
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82 (set-buffer webster-buffer)
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83 (goto-char (point-max))
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84 (cond ((not (eq (process-status webster-process) 'run))
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85 (setq webster-running t)
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86 (message "Webster died"))
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87 ((string-match "No such host" string)
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88 (setq webster-running t)
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89 (kill-buffer (process-buffer proc))
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90 (error "No such host."))
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91 ((string-match "]" string)
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92 (setq webster-running t)
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93 (set-process-filter proc 'webster-filter)))
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94 (set-buffer this-buffer)))
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95
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96 (defvar webster-reformat t
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97 "*Set this to t if you want the webster output to be prettied up, and
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98 for the \\[webster] prompt to do completion across the set of words known
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99 to be in the dictionary (words you've looked up, or which appeared in
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100 definitions as crossreferences.)")
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101
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102 (defun webster-filter (proc string)
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103 (let ((this-buffer (current-buffer))
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104 (endp nil))
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105 (set-buffer webster-buffer)
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106 (cond ((not (eq (process-status webster-process) 'run))
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107 (message "Webster died"))
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108 ((string-match "Connection closed" string)
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109 (message "Closing webster connection...")
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110 (kill-process proc)
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111 (replace-regexp "Process webster killed" "" nil)
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112 (goto-char 1)
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113 (message "Closing webster connection...Done."))
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114 ((string-match "SPELLING 0" string)
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115 (insert "...Word not found in webster\n"))
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116 ((string-match "SPELLING 1" string)
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117 (insert "...Spelled correctly\n"))
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118 ((let ((end-def-message (or (string-match "\200" string)
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119 (string-match "\0" string))))
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120 (if end-def-message
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121 (progn
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122 (webster-filter
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123 proc
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124 (concat (substring string 0 (- end-def-message 1)) "\n\n"))
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125 (setq endp t)
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126 (goto-char (point-max))
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127 t))))
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128 (t
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129 (goto-char (point-max))
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130 (let ((now (point)))
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131 (insert string)
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132 (delete-char-in-region now (point) "\^M" " "))
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133 (if (process-mark proc)
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134 (set-marker (process-mark proc) (point)))))
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135 (if endp
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136 ;; if the webster window is visible, move the last line to the
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137 ;; bottom of that window
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138 (let ((webster-window (get-buffer-window webster-buffer))
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139 (window (selected-window)))
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140 (if webster-reformat (webster-reformat (process-mark proc)))
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141 (if webster-window
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142 (progn
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143 (select-window webster-window)
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144 (goto-char (point-max))
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145 (recenter (1- (window-height webster-window)))
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146 (select-window window)))))))
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147
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148 (defconst webster-completion-table (make-vector 511 0))
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149
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150 (defun webster-intern (string)
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151 (while (string-match "\\." string)
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152 (setq string (concat (substring string 0 (match-beginning 0))
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153 (substring string (match-end 0)))))
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154 (intern (downcase string) webster-completion-table))
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155
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156 (defvar webster-fontify (string-match "XEmacs" emacs-version)
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157 "*Set to t to use the XEmacs/Lucid Emacs font-change mechanism.")
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158
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159 (cond ((fboundp 'make-face)
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160 (or (find-face 'webster)
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161 (face-differs-from-default-p (make-face 'webster))
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162 (copy-face 'default 'webster))
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163 (or (find-face 'webster-bold)
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164 (face-differs-from-default-p (make-face 'webster-bold))
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165 (copy-face 'bold 'webster-bold))
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166 (or (find-face 'webster-italic)
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167 (face-differs-from-default-p (make-face 'webster-italic))
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168 (copy-face 'italic 'webster-italic))
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169 (or (find-face 'webster-bold-italic)
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170 (face-differs-from-default-p (make-face 'webster-bold-italic))
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171 (copy-face 'bold-italic 'webster-bold-italic))
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172 (or (find-face 'webster-small)
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173 (face-differs-from-default-p (make-face 'webster-small))
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174 (copy-face 'webster-bold 'webster-small))
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175 ))
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176
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177 (defun webster-fontify (start end face &optional highlight)
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178 (let ((e (make-extent start end (current-buffer))))
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179 (set-extent-face e face)
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180 (if highlight (set-extent-property e 'highlight t))))
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181
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182
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183 (defun webster-reformat (end)
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184 "Clean up the output of the webster server, and gather words for the
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185 completion table."
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186 (if (not webster-reformat) nil
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187 (goto-char end)
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188 (let ((case-fold-search nil))
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189 (re-search-backward "^[A-Z]+" nil t)
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190 (if webster-fontify
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191 (save-excursion
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192 (previous-line 1)
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193 (if (looking-at "^DEFINE \\([^ \n]+\\)")
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194 (webster-fontify (match-beginning 1) (match-end 1)
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195 'webster-bold t))))
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196 (cond
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197 ((or (looking-at "^DEFINITION [0-9]")
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198 (looking-at "^SPELLING"))
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199 (forward-line 1)
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200 (let ((p (point))
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201 (indent 2))
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202 (search-forward "\n\n" nil 0)
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203 (narrow-to-region p (point))
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204 (goto-char p)
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205 (while (search-forward "\n" nil t)
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206 (delete-char -1)
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207 (just-one-space))
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208 (goto-char p)
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209 (while (not (eobp))
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210 (if (looking-at " *\n")
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211 (delete-region (match-beginning 0) (match-end 0)))
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212 (cond ((looking-at "^[0-9]+ ")
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213 (if webster-fontify
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214 (webster-fontify (point) (match-end 0)
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215 'webster-bold-italic))
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216 (goto-char (match-end 0))
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217 (if (looking-at "[^\n0-9]+ [0-9]")
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218 (save-excursion
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219 (goto-char (1- (match-end 0)))
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220 (insert "\n")))
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221 (if (looking-at "[a-z]+\\( [a-z]+\\)*[ \n]")
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222 (webster-intern
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223 (buffer-substring (point) (1- (match-end 0)))))
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224 (if webster-fontify
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225 (webster-fontify (point) (1- (match-end 0))
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226 'webster-bold t))
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227 (goto-char (1- (match-end 0)))
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228 (if (looking-at " *\n") (forward-line 1)))
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229 ((looking-at " *[0-9]+\\. ")
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230 (setq indent 5)
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231 (delete-horizontal-space)
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232 (insert (if (= (preceding-char) ?\n) " " "\n "))
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233 (skip-chars-forward "0-9. ")
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234 (if webster-fontify
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235 (webster-fontify
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236 (save-excursion (beginning-of-line) (point))
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237 (point)
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238 'webster-bold-italic)))
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239 ((looking-at " *\\([0-9]+\\): *")
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240 (let ((n (buffer-substring (match-beginning 1)
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241 (match-end 1))))
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242 (delete-region (match-beginning 0) (match-end 0))
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243 (insert "\n")
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244 (indent-to (- 6 (length n)))
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245 (insert n " : ")
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246 (setq indent 9)
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247 (if webster-fontify
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248 (webster-fontify
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249 (save-excursion (beginning-of-line) (point))
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250 (point)
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251 'webster-bold-italic))))
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252 ((looking-at " *\\([0-9]+\\)\\([a-z]+\\): *")
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253 (let ((n (buffer-substring (match-beginning 1)
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254 (match-end 1)))
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255 (m (buffer-substring (match-beginning 2)
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256 (match-end 2))))
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257 (if (not (equal m "a")) (setq n " "))
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258 (delete-region (match-beginning 0) (match-end 0))
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259 (insert "\n")
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260 (indent-to (- 6 (length n)))
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261 (insert n " ")
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262 (insert m " : ")
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263 (setq indent 12)
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264 (if webster-fontify
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265 (webster-fontify
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266 (save-excursion (beginning-of-line) (point))
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267 (point)
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268 'webster-bold-italic))))
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269 ((looking-at " *\\([0-9]+\\)\\([a-z]+\\)\\([0-9]+\\): *")
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270 (let ((n (buffer-substring (match-beginning 1)
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271 (match-end 1)))
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272 (m (buffer-substring (match-beginning 2)
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273 (match-end 2)))
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274 (o (buffer-substring (match-beginning 3)
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275 (match-end 3))))
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276 (if (not (equal o "1")) (setq m " "))
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277 (if (not (equal m "a")) (setq n " "))
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278 (delete-region (match-beginning 0) (match-end 0))
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279 (insert "\n")
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280 (indent-to (- 6 (length n)))
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281 (insert n " ")
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282 (insert m " ")
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283 (insert "(" o ") : ")
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284 (setq indent 17)
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285 (if webster-fontify
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286 (webster-fontify
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287 (save-excursion (beginning-of-line) (point))
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288 (point)
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289 'webster-bold-italic))))
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290 ((looking-at " *\\\\")
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291 (setq indent 5)
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292 (setq p (point))
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293 (goto-char (match-end 0))
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294 (search-forward "\\")
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295 (if (> (current-column) fill-column)
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296 (progn
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297 (goto-char p)
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298 (insert "\n")
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299 (indent-to 18)
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300 (search-forward "\\")))
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301 (if webster-fontify
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302 (webster-fontify p (point) 'webster-italic)))
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303 ((looking-at " *\\[")
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304 (setq indent 6)
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305 (delete-horizontal-space)
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306 (insert "\n")
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307 (indent-to 5)
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308 (forward-char 1))
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309 ((and (= (preceding-char) ?\])
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310 (looking-at " *:"))
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311 (delete-horizontal-space)
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312 (setq indent 5)
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313 (insert "\n "))
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314 ((looking-at " *SYN *")
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315 (delete-region (point) (match-end 0))
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316 (insert "\n")
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317 (delete-horizontal-space)
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318 (insert " ")
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319 (setq indent 6)
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320 (if (looking-at "syn ")
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321 (progn
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322 (if webster-fontify
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323 (webster-fontify (point) (+ (point) 3)
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324 'webster-bold))
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325 (goto-char (match-end 0))
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326 (insert "see "))))
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327 (t
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328 (setq p (point))
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329 (skip-chars-forward " ,:;-")
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330 (if (or (looking-at
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331 "\\([A-Z][-A-Z]+[A-Z]\\)\\( [A-Z][-A-Z]*[A-Z]\\)*")
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332 (looking-at "[a-z][-a-z]*\\(\\.[a-z][-a-z]*\\)+"))
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333 (let ((s (buffer-substring (point) (match-end 0))))
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334 (if webster-fontify
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335 (webster-fontify (point) (match-end 0)
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336 'webster-bold t))
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337 (while (string-match "\\." s)
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338 (setq s (concat (substring s 0 (match-beginning 0))
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339 (substring s (match-end 0)))))
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340 (webster-intern s)))
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341 (skip-chars-forward "^ \\")
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342 (if (> (current-column) fill-column)
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343 (progn
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344 (goto-char p)
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345 (insert "\n")
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346 (delete-horizontal-space)
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347 (indent-to indent)
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348 (skip-chars-forward " ")
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349 (skip-chars-forward "^ \\")
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350 )))
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351 )))
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352 (goto-char (point-min))
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353 (while (looking-at "\n") (delete-char 1))
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354 (goto-char (point-max))
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355 (insert "\n\n")
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356 (widen))))))
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357
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358 ;; " \\(\\(slang\\|cap\\|pl\\|aj\\|av\\|n\\|v\\|vt\\|vi\\)\\(,[ \n]+\\)?\\)+\n"
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359
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360 ;;;
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361 ;;; delete char1 and char2 if it precedes char1
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362 ;;; used to get rid of <space><return>
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363 (defun delete-char-in-region (start end char1 char2)
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364 (goto-char start)
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365 (setq char2 (aref char2 0))
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366 (while (search-forward char1 end t)
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367 (delete-char -1)
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368 (if (= (char-after (- (point) 1)) char2)
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369 (delete-char -1))))
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370
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371 ;;;###autoload
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372 (defun webster (arg)
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373 "Look up a word in the Webster's dictionary.
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374 Open a network login connection to a webster host if necessary.
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375 Communication with host is recorded in a buffer *webster*."
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376 (interactive (list
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377 (let ((prompt (concat "Look up word in webster ("
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378 (current-word) "): "))
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379 (completion-ignore-case t))
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380 (downcase
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381 (if webster-reformat
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382 (completing-read prompt webster-completion-table
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383 nil nil)
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384 (read-string prompt))))))
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385 (if (equal "" arg) (setq arg (current-word)))
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386 (webster-send-request "DEFINE" arg))
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387
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388 ;;;###autoload
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389 (defun webster-endings (arg)
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390 "Look up endings for a word in the Webster's dictionary.
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391 Open a network login connection to a webster host if necessary.
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392 Communication with host is recorded in a buffer *webster*."
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393 (interactive (list
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394 (read-string
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395 (concat
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396 "Find endings for word in webster (" (current-word) "): "))))
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397 (if (equal "" arg) (setq arg (current-word)))
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398 (webster-send-request "ENDINGS" arg))
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399
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400 ;;;###autoload
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401 (defun webster-spell (arg)
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402 "Look spelling for a word in the Webster's dictionary.
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403 Open a network login connection to a webster host if necessary.
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404 Communication with host is recorded in a buffer *webster*."
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405 (interactive (list
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406 (read-string
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407 (concat
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408 "Try to spell word in webster (" (current-word) "): "))))
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409 (if (equal "" arg) (setq arg (current-word)))
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410 (webster-send-request "SPELL" arg))
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411
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412 (defun webster-send-request (kind word)
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413 (require 'shell)
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414 (let
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415 ((webster-command (concat "open " webster-host " " webster-port "\n")))
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416
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417 (if (or
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418 (not webster-buffer)
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419 (not webster-process)
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420 (not (eq (process-status webster-process) 'run)))
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421 (progn
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422 (message
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423 (concat "Attempting to connect to server " webster-host "..."))
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424 (setq webster-buffer
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425 (if (not (fboundp 'make-shell)) ;emacs19
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426 (make-comint webster-process-name "telnet")
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427 (make-shell webster-process-name "telnet")))
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428 (let
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429 ((this-buffer (current-buffer)))
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430 (set-buffer webster-buffer)
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431 (webster-mode)
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432 (set-buffer this-buffer))
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433
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434 (setq webster-process (get-process webster-process-name))
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435 (set-process-filter webster-process 'webster-initial-filter)
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436 (process-send-string webster-process webster-command)
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437 (setq webster-running nil);
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438 (while (not webster-running) ; wait for feedback
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439 (accept-process-output)))) ;
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440 (display-buffer webster-buffer nil)
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441 (process-send-string webster-process (concat kind " " word "\n"))))
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442
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443 (defun webster-quit ()
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444 "Close connection and quit webster-mode. Buffer is not deleted."
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445 (interactive)
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446 (message "Closing connection to %s..." webster-host)
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447 (kill-process webster-process)
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448 (message "Closing connection to %s...done" webster-host)
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449 (bury-buffer))
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450
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451 (defvar webster-mode-map nil)
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452
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453 (defun webster-mode ()
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454 "Major mode for interacting with on-line Webster's dictionary.
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455 \\{webster-mode-map}
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456 Use webster-mode-hook for customization."
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457 (interactive)
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458 (kill-all-local-variables)
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459 (setq major-mode 'webster-mode)
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460 (setq mode-name "Webster")
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461 (use-local-map webster-mode-map)
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462 (run-hooks 'webster-mode-hook))
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463
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464 (if webster-mode-map
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465 nil
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466 (setq webster-mode-map (make-sparse-keymap))
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467 (define-key webster-mode-map "?" 'describe-mode)
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468 (define-key webster-mode-map "d" 'webster)
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469 (define-key webster-mode-map "e" 'webster-endings)
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470 (define-key webster-mode-map "q" 'webster-quit)
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471 (define-key webster-mode-map "s" 'webster-spell)
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472 (if (string-match "XEmacs" emacs-version)
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473 (define-key webster-mode-map 'button2 'webster-xref-word)))
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474
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475 ;; now in simple.el
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476 ;(defun current-word ()
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477 ; "Word cursor is over, as a string."
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478 ; (save-excursion
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479 ; (let (beg end)
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480 ; (re-search-backward "\\w" nil 2)
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481 ; (re-search-backward "\\b" nil 2)
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482 ; (setq beg (point))
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483 ; (re-search-forward "\\w*\\b" nil 2)
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484 ; (setq end (point))
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485 ; (buffer-substring beg end))))
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486
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487 (defun webster-xref-word (event)
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488 "Define the highlighted word under the mouse.
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|
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489 Words which are known to have definitions are highlighted when the mouse
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|
|
490 moves over them. You may define any word by selecting it with the left
|
|
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491 mouse button and then clicking middle."
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492 (interactive "e")
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493 (let* ((buffer (event-buffer event))
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494 (extent (extent-at (event-point event) buffer 'highlight))
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|
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495 text)
|
|
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496 (cond (extent
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|
|
497 (setq text (save-excursion
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|
|
498 (set-buffer buffer)
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|
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499 (buffer-substring
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|
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500 (extent-start-position extent)
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501 (extent-end-position extent)))))
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502 ((x-selection-owner-p) ; the selection is in this emacs process.
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503 (setq text (x-get-selection)))
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|
|
504 (t
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505 (error "click on a highlighted word to define")))
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|
506 (while (string-match "\\." text)
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|
507 (setq text (concat (substring text 0 (match-beginning 0))
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|
|
508 (substring text (match-end 0)))))
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|
509 (message "looking up %s..." (upcase text))
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|
|
510 (goto-char (point-max))
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511 (webster text)))
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