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1 ; This file implements a "mail draft mode" for composition of messages in
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2 ; the MH mail handler (q.v.). When MH calls Emacs, its customary call
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3 ; is
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4 ; emacs ./reply ./message -lmh-mode -email-draft-mode
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5 ; for the case of a reply, and
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6 ; emacs ./draft -lmh-mode -email-draft-mode
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7 ; for a newly originated message.
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8 ;
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9 ; For use from mhe, in which Emacs calls MH instead of vice versa, it will
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10 ; work fine as long as the function mail-draft-mode is not called.
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11 ;
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12 ; Brian Reid, December 1981
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13
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14 (defun
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15 (dot-in-header wasdot ; return True iff cursor in message hdr
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16 (save-excursion
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17 (setq wasdot (dot))
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18 (beginning-of-file)
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19 (re-search-forward "^-*$")
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20 (beginning-of-line) (backward-character)
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21 (>= (dot) wasdot)
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22 )
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23 )
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24 (header-line-position ; position cursor w.r.t. header line
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25 (if (dot-in-header)
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26 (progn
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27 (if (save-excursion
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28 (beginning-of-line)
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29 (& (!= (following-char) ' ')
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30 (!= (following-char) '\t'))
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31 )
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32 (progn (beginning-of-line)
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33 (error-occured (search-forward ":"))
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34 (if (eolp)
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35 (insert-character ' ')
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36 (progn
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37 (forward-character)
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38 (if (! (eolp))
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39 (progn
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40 (forward-word)
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41 (backward-word))
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42 ))))
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43 )))
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44 )
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45
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46 (header-next ; modified ^N command.
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47 (next-line)
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48 (header-line-position)
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49 )
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50
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51 (header-previous ; modified ^P command
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52 (previous-line)
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53 (header-line-position)
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54 )
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55
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56 (find-starting-line ; back cursor up to first line of this para.
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57 (beginning-of-line)
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58 (while (& (! (bobp))
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59 (! (eolp))
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60 (!= (following-char) ' ')
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61 (! (looking-at "^-*$"))
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62 )
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63 (previous-line)
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64 )
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65 (next-line)
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66 )
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67 (justify-mail-paragraph ; like ordinary justify-para, but
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68 (error-occured ; avoids trashing mail header.
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69 (if (! (dot-in-header))
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70 (progn
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71 (save-excursion
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72 (find-starting-line)
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73 (if (& (! (eolp)) (! (eobp)))
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74 (progn
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75 (set-mark)
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76 (forward-paragraph)
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77 (backward-word) (forward-word)
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78 (forward-character)
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79 (narrow-region)
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80 (error-occured (justify-mail-region))
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81 (widen-region))
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82 )
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83 )
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84 (message "Done!")
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85 (novalue)
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86 )))
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87 )
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88
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89 (justify-mail-region ; justify the entire buffer
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90 (beginning-of-file)
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91 (delete-white-space)
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92 (to-col left-margin)
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93 (while (progn ; Turn it all into 1 long line....
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94 (end-of-line)
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95 (if (! (eobp))
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96 (forward-character))
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97 (! (eobp))
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98 )
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99 (delete-previous-character)
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100 (delete-white-space)
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101 (insert-string " ")
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102 )
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103 (beginning-of-line)
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104 (while (save-excursion
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105 (end-of-line)
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106 (> (current-column) right-margin)
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107 )
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108 (goto-character (+ (dot) right-margin))
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109 (forward-character) (backward-word)
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110 (while (progn
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111 (backward-character)
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112 (& (!= (following-char) ' ')
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113 (!= (following-char) '\t')
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114 (!= (following-char) '\n')
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115 (! (bobp)))
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116 )
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117 (novalue)
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118 )
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119 (delete-next-character) (newline)
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120 )
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121 )
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122 )
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123
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124 (defun
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125 (mail-mode
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126 (set "right-margin" 72)
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127 (local-bind-to-key "header-next" '')
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128 (local-bind-to-key "header-previous" '')
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129 (local-bind-to-key "justify-mail-paragraph" "\ej")
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130 (use-syntax-table "text-mode")
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131 (setq mode-string "mh-mail")
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132 (novalue)
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133 )
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134
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135 (mail-draft-mode
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136 (if (> (argc) 4)
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137 (progn
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138 (visit-file (argv 1))
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139 (mail-mode)
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140 (visit-file (argv 2))
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141 (mail-mode)
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142 (visit-file (argv 1))
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143 (end-of-file)
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144 )
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145 (progn
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146 (visit-file (argv 1))
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147 (mail-mode)
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148 (beginning-of-file)
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149 (header-line-position)
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150 )
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151 )
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152 )
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153 )
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