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1 ;;; url-mail.el --- Mail Uniform Resource Locator retrieval code
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2 ;; Author: wmperry
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3 ;; Created: 1997/01/20 19:52:07
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4 ;; Version: 1.7
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5 ;; Keywords: comm, data, processes
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6
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7 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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8 ;;; Copyright (c) 1993-1996 by William M. Perry (wmperry@cs.indiana.edu)
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9 ;;; Copyright (c) 1996, 1997 Free Software Foundation, Inc.
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10 ;;;
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11 ;;; This file is not part of GNU Emacs, but the same permissions apply.
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12 ;;;
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13 ;;; GNU Emacs is free software; you can redistribute it and/or modify
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14 ;;; it under the terms of the GNU General Public License as published by
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15 ;;; the Free Software Foundation; either version 2, or (at your option)
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16 ;;; any later version.
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17 ;;;
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18 ;;; GNU Emacs is distributed in the hope that it will be useful,
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19 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 ;;; GNU General Public License for more details.
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22 ;;;
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23 ;;; You should have received a copy of the GNU General Public License
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24 ;;; along with GNU Emacs; see the file COPYING. If not, write to the
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25 ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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26 ;;; Boston, MA 02111-1307, USA.
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27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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28
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29 (require 'url-vars)
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30 (require 'url-parse)
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31
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32 (defmacro url-mailserver-skip-chunk ()
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33 (` (while (and (not (looking-at "/"))
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34 (not (eobp)))
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35 (forward-sexp 1))))
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36
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37 (defun url-mail (&rest args)
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38 (interactive "P")
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39 (if (fboundp 'message-mail)
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40 (apply 'message-mail args)
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41 (or (apply 'mail args)
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42 (error "Mail aborted"))))
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43
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44 (defun url-mail-goto-field (field)
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45 (if (not field)
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46 (goto-char (point-max))
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47 (let ((dest nil)
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48 (lim nil)
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49 (case-fold-search t))
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50 (save-excursion
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51 (goto-char (point-min))
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52 (if (re-search-forward (regexp-quote mail-header-separator) nil t)
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53 (setq lim (match-beginning 0)))
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54 (goto-char (point-min))
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55 (if (re-search-forward (concat "^" (regexp-quote field) ":") lim t)
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56 (setq dest (match-beginning 0))))
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57 (if dest
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58 (progn
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59 (goto-char dest)
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60 (end-of-line))
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61 (goto-char lim)
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62 (insert (capitalize field) ": ")
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63 (save-excursion
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64 (insert "\n"))))))
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65
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66 (defun url-mailto (url)
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67 ;; Send mail to someone
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68 (if (not (string-match "mailto:/*\\(.*\\)" url))
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69 (error "Malformed mailto link: %s" url))
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70 (setq url (substring url (match-beginning 1) nil))
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71 (if (get-buffer url-working-buffer)
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72 (kill-buffer url-working-buffer))
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73 (let (to args source-url subject func)
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74 (if (string-match (regexp-quote "?") url)
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75 (setq to (url-unhex-string (substring url 0 (match-beginning 0)))
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76 args (url-parse-query-string
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77 (substring url (match-end 0) nil) t))
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78 (setq to (url-unhex-string url)))
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79 (setq source-url (url-view-url t))
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80 (if (and url-request-data (not (assoc "subject" args)))
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81 (setq args (cons (list "subject"
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82 (concat "Automatic submission from "
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83 url-package-name "/"
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84 url-package-version)) args)))
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85 (if (and source-url (not (assoc "x-url-from" args)))
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86 (setq args (cons (list "x-url-from" source-url) args)))
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87 (setq args (cons (list "to" to) args)
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88 subject (cdr-safe (assoc "subject" args)))
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89 (if (fboundp url-mail-command) (funcall url-mail-command) (mail))
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90 (while args
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91 (url-mail-goto-field (caar args))
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92 (setq func (intern-soft (concat "mail-" (caar args))))
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93 (insert (mapconcat 'identity (cdar args) ", "))
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94 (setq args (cdr args)))
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95 (url-mail-goto-field "X-Mailer")
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96 (insert url-package-name "/" url-package-version)
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97 (if (not url-request-data)
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98 (if subject
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99 (url-mail-goto-field nil)
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100 (url-mail-goto-field "subject"))
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101 (if url-request-extra-headers
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102 (mapconcat
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103 (function
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104 (lambda (x)
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105 (url-mail-goto-field (car x))
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106 (insert (cdr x))))
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107 url-request-extra-headers ""))
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108 (goto-char (point-max))
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109 (insert url-request-data)
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110 (mail-send-and-exit nil))))
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111
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112 (defun url-mailserver (url)
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113 ;; Send mail to someone, much cooler/functional than mailto
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114 (if (get-buffer url-working-buffer)
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115 (kill-buffer url-working-buffer))
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116 (set-buffer (get-buffer-create " *mailserver*"))
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117 (erase-buffer)
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118 (insert url)
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119 (goto-char (point-min))
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120 (set-syntax-table url-mailserver-syntax-table)
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121 (skip-chars-forward "^:") ; Get past mailserver
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122 (skip-chars-forward ":") ; Get past :
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123 ;; Handle some ugly malformed URLs, but bitch about it.
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124 (if (looking-at "/")
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125 (progn
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126 (url-warn 'url "Invalid mailserver URL... attempting to cope.")
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127 (skip-chars-forward "/")))
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128
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129 (let ((save-pos (point))
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130 (url (url-view-url t))
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131 (rfc822-addr nil)
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132 (subject nil)
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133 (body nil))
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134 (url-mailserver-skip-chunk)
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135 (setq rfc822-addr (buffer-substring save-pos (point)))
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136 (forward-char 1)
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137 (setq save-pos (point))
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138 (url-mailserver-skip-chunk)
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139 (setq subject (buffer-substring save-pos (point)))
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140 (if (not (eobp))
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141 (progn ; There is some text to use
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142 (forward-char 1) ; as the body of the message
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143 (setq body (buffer-substring (point) (point-max)))))
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144 (if (fboundp url-mail-command) (funcall url-mail-command) (mail))
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145 (url-mail-goto-field "to")
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146 (insert rfc822-addr)
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147 (if (and url (not (string= url "")))
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148 (progn
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149 (url-mail-goto-field "X-URL-From")
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150 (insert url)))
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151 (url-mail-goto-field "X-Mailer")
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152 (insert url-package-name "/" url-package-version)
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153 (url-mail-goto-field "subject")
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154 ;; Massage the subject from URLEncoded garbage
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155 ;; Note that we do not allow any newlines in the subject,
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156 ;; as recommended by the Internet Draft on the mailserver
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157 ;; URL - this means the document author cannot spoof additional
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158 ;; header lines, which is a 'Good Thing'
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159 (if subject
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160 (progn
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161 (setq subject (url-unhex-string subject))
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162 (let ((x (1- (length subject)))
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163 (y 0))
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164 (while (<= y x)
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165 (if (memq (aref subject y) '(?\r ?\n))
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166 (aset subject y ? ))
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167 (setq y (1+ y))))))
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168 (insert subject)
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169 (if url-request-extra-headers
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170 (progn
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171 (goto-char (point-min))
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172 (insert
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173 (mapconcat
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174 (function
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175 (lambda (x)
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176 (url-mail-goto-field (car x))
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177 (insert (cdr x))))
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178 url-request-extra-headers ""))))
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179 (goto-char (point-max))
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180 ;; Massage the body from URLEncoded garbage
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181 (if body
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182 (let ((x (1- (length body)))
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183 (y 0))
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184 (while (<= y x)
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185 (if (= (aref body y) ?/)
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186 (aset body y ?\n))
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187 (setq y (1+ y)))
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188 (setq body (url-unhex-string body))))
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189 (and body (insert body))
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190 (and url-request-data (insert url-request-data))
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191 (if (and (or body url-request-data)
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192 (funcall url-confirmation-func
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193 (concat "Send message to " rfc822-addr "? ")))
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194 (mail-send-and-exit nil))))
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195
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196 (provide 'url-mail)
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