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1 ;;;; texnfo-tex.el
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2
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3 ;;; Texinfo mode TeX and hardcopy printing commands.
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4
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5 ;; These commands are for running TeX on a region of a Texinfo file in
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6 ;; GNU Emacs, or on the whole buffer, and for printing the resulting
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7 ;; DVI file.
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8
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9 ;;; Version 2.07 22 October 1991
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10 ;;; Robert J. Chassell
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11 ;;; Please send bug reports to: bug-texinfo@prep.ai.mit.edu
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12
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13 ;;; Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc.
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14
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15
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16 ;; This file is part of XEmacs.
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17
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18 ;; XEmacs is free software; you can redistribute it and/or modify it
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19 ;; under the terms of the GNU General Public License as published by
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20 ;; the Free Software Foundation; either version 2, or (at your option)
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21 ;; any later version.
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22
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23 ;; XEmacs is distributed in the hope that it will be useful, but
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24 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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25 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 ;; General Public License for more details.
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27
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28 ;; You should have received a copy of the GNU General Public License
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29 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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30 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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31
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32 ;;; Synched up with: Not in FSF.
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33
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34
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35 ;;; The Texinfo mode TeX related commands are:
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36
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37 ; texinfo-tex-region to run tex on the current region.
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38 ; texinfo-tex-buffer to run tex on the current buffer.
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39 ; texinfo-texindex to sort unsorted index files.
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40 ; texinfo-tex-print to print the .dvi file made by tex.
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41 ; texinfo-kill-tex-job to kill the currently running tex job.
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42 ; texinfo-recenter-tex-output-buffer to redisplay tex output buffer.
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43 ; texinfo-show-tex-print-queue to show the print queue.
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44
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45
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46 ;;; Keys common both to Texinfo mode and to TeX shell.
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47
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48 ;; Defined in `texinfo.el'
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49 ; (defun texinfo-define-common-keys (keymap)
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50 ; "Define the keys both in Texinfo mode and in the texinfo-tex-shell."
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51 ; (define-key keymap "\C-c\C-t\C-k" 'texinfo-kill-tex-job)
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52 ; (define-key keymap "\C-c\C-t\C-x" 'texinfo-quit-tex-job)
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53 ; (define-key keymap "\C-c\C-t\C-l" 'texinfo-recenter-tex-output-buffer)
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54 ; (define-key keymap "\C-c\C-t\C-d" 'texinfo-delete-from-tex-print-queue)
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55 ; (define-key keymap "\C-c\C-t\C-q" 'texinfo-show-tex-print-queue)
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56 ; (define-key keymap "\C-c\C-t\C-p" 'texinfo-tex-print)
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57 ; (define-key keymap "\C-c\C-t\C-i" 'texinfo-texindex)
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58 ; (define-key keymap "\C-c\C-t\C-r" 'texinfo-tex-region)
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59 ; (define-key keymap "\C-c\C-t\C-b" 'texinfo-tex-buffer))
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60
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61 ;; See also texinfo-tex-start-shell.
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62 ;; The following is executed in the `texinfo.el' file
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63 ;(texinfo-define-common-keys texinfo-mode-map)
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64
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65
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66 ;;; Variable definitions:
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67
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68 (require 'shell)
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69
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70 (defvar texinfo-tex-shell-cd-command "cd"
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71 "Command to give to shell running TeX to change directory.")
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72
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73 (defvar texinfo-tex-command "tex"
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74 "*Command used by texinfo-tex-region to run tex on a region.")
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75
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76 (defvar texinfo-texindex-command "texindex"
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77 "*Command used by texinfo-texindex to sort unsorted index files.")
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78
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79 (defvar texinfo-tex-dvi-print-command "lpr -d"
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80 "*Command string used by \\[tex-print] to print a .dvi file.")
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81
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82 (defvar texinfo-show-tex-queue-command "lpq"
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83 "*Command string used to show the Texinfo TeX print queue.
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84 Command is used by \\[texinfo-show-tex-print-queue] and it
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85 should show the queue that \\[texinfo-tex-print] puts jobs on.")
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86
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87 (defvar texinfo-delete-from-print-queue-command "lprm"
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88 "*Command string used to delete a job from the line printer queue.
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89 Command is used by \\[texinfo-delete-from-tex-print-queue] based on
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90 number provided by a previous \\[texinfo-show-tex-print-queue]
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91 command.")
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92
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93 (defvar texinfo-tex-trailer "@bye"
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94 "String appended after a region sent to TeX by texinfo-tex-region.")
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95
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96 (defvar texinfo-tex-original-file ""
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97 "Original name of file on which to run TeX.")
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98
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99 (defvar texinfo-tex-temp-file nil
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100 "Temporary file name used for text being sent as input to TeX.")
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101
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102 (defvar texinfo-tex-root-temp-file nil
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103 "Temporary file name used for text being sent as input to TeX.")
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104
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105
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106 ;;; Texinfo TeX main functions
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107
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108 (defun texinfo-tex-region (beginning end)
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109 "Run tex on the current region.
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110
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111 A temporary file is written in the default directory, and tex is run
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112 in that directory. The first line of the file is copied to the
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113 temporary file; and if the buffer has a header, it is written to the
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114 temporary file before the region itself. The buffer's header is all
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115 lines between the strings defined by texinfo-start-of-header and
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116 texinfo-end-of-header inclusive. The header must start in the first 100
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117 lines. The value of texinfo-tex-trailer is appended to the temporary file
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118 after the region."
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119
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120 (interactive "r")
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121 (if (get-buffer "*texinfo-tex-shell*")
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122 (quit-process (get-process "texinfo-tex-shell") t)
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123 (texinfo-tex-start-shell))
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124
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125 (setq texinfo-tex-root-temp-file
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126 (expand-file-name
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127 (make-temp-name
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128 (prin1-to-string (read (buffer-name))))))
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129
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130 (let ((texinfo-tex-temp-file (concat texinfo-tex-root-temp-file ".tex")))
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131 (save-excursion
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132 (save-restriction
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133 (widen)
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134 (goto-char (point-min))
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135 (forward-line 100)
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136 (let ((search-end (point))
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137 (header-beginning (point-min)) (header-end (point-min)))
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138 (goto-char (point-min))
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139 ;; Copy first line, the `\input texinfo' line, to temp file
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140 (write-region (point)
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141 (save-excursion (forward-line 1) (point))
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142 texinfo-tex-temp-file nil nil)
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143 ;; Don't copy first line twice if region includes it.
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144 (forward-line 1)
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145 (if (< beginning (point)) (setq beginning (point)))
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146 ;; Initialize the temp file with either the header or nothing
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147 (if (search-forward texinfo-start-of-header search-end t)
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148 (progn
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149 (beginning-of-line)
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150 (setq header-beginning (point)) ; Mark beginning of header.
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151 (if (search-forward texinfo-end-of-header nil t)
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152 (progn (beginning-of-line)
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153 (setq header-end (point))) ; Mark end of header.
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154 (setq header-beginning (point-min))))) ; Else no header.
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155 ;; Copy header to temp file.
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156 (write-region
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157 (min header-beginning beginning )
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158 header-end
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159 texinfo-tex-temp-file t nil)
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160 ;; Copy region to temp file.
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161 (write-region
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162 (max beginning header-end)
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163 end
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164 texinfo-tex-temp-file t nil)
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165 ;; This is a kludge to insert the texinfo-tex-trailer into the
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166 ;; texinfo-tex-temp-file. We have to create a special buffer
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167 ;; in which to insert the texinfo-tex-trailer first because there is
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168 ;; no function with which to append a literal string directly
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169 ;; to a file.
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170 (let ((local-tex-trailer texinfo-tex-trailer)
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171 (temp-buffer (get-buffer-create " texinfo-trailer-buffer")))
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172 (set-buffer temp-buffer)
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173 (erase-buffer)
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174 ;; make sure trailer isn't hidden by a comment
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175 (insert-string "\n")
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176 (if local-tex-trailer (insert local-tex-trailer))
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177 (write-region (point-min) (point-max)
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178 texinfo-tex-temp-file t nil)))
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179 (set-process-sentinel (get-process "texinfo-tex-shell")
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180 'texinfo-tex-shell-sentinel)
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181 (send-string "texinfo-tex-shell"
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182 (concat texinfo-tex-shell-cd-command " "
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183 default-directory "\n"))
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184 (send-string "texinfo-tex-shell"
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185 (concat texinfo-tex-command " "
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186 texinfo-tex-temp-file "\n "))
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187 (texinfo-recenter-tex-output-buffer 0)))))
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188
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189 (defun texinfo-tex-buffer (buffer)
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190 "Run TeX on current buffer.
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191 After running TeX the first time, you may have to run \\[texinfo-texindex]
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192 and then \\[texinfo-tex-buffer] again."
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193 (interactive
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194 (list
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195 ;; Sometimes you put point into *texinfo-tex-shell*; this prompts
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196 ;; you for the correct file regardless.
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197 (if (and
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198 (string= (buffer-name (current-buffer)) "*texinfo-tex-shell*")
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199 texinfo-tex-root-temp-file)
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200 (read-string (format "Run TeX on: ")
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201 texinfo-tex-original-file)
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202 (read-string (format "Run TeX on: ") (buffer-name (current-buffer))))))
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203
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204 ;; Set to original buffer if in *texinfo-tex-shell*; otherwise,
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205 ;; record name of current buffer.
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206 (if (string= (buffer-name (current-buffer)) "*texinfo-tex-shell*")
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207 (set-buffer buffer)
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208 (setq texinfo-tex-original-file
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209 (buffer-name (current-buffer))))
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210
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211 (if (get-buffer "*texinfo-tex-shell*")
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212 (quit-process (get-process "texinfo-tex-shell") t)
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213 (texinfo-tex-start-shell))
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214 (cond ((null buffer-file-name)
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215 (error "Buffer not visiting any file!"))
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216 ((buffer-modified-p)
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217 (error "Buffer has been modified since last saved!"))
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218 (t (set-process-sentinel (get-process "texinfo-tex-shell")
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219 'texinfo-tex-shell-sentinel)
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220 (send-string "texinfo-tex-shell"
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221 (concat texinfo-tex-shell-cd-command
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222 " "
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223 (file-name-directory
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224 (buffer-file-name
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225 (get-buffer buffer)))
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226 "\n"))
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227 (send-string "texinfo-tex-shell"
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228 (concat texinfo-tex-command " " buffer "\n "))
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229
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230 ;; so the texinfo-tex-print command works
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231 (setq texinfo-tex-root-temp-file
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232 (substring buffer 0
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233 (or (string-match "\\.tex" buffer)
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234 (length buffer))))
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235
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236 (texinfo-recenter-tex-output-buffer 0))))
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237
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238 (defun texinfo-texindex ()
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239 "Run texindex on unsorted index files.
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240 The index files are made by \\[texinfo-tex-region] or \\[texinfo-tex-buffer].
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241 Runs the shell command defined by texinfo-texindex-command."
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242 (interactive)
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243 (send-string "texinfo-tex-shell"
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244 (concat texinfo-texindex-command
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245 " " texinfo-tex-root-temp-file ".??" "\n"))
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246 (texinfo-recenter-tex-output-buffer nil))
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247
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248 (defun texinfo-tex-print ()
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249 "Print .dvi file made by \\[texinfo-tex-region] or \\[texinfo-tex-buffer].
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250 Runs the shell command defined by texinfo-tex-dvi-print-command."
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251 (interactive)
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252 (send-string "texinfo-tex-shell"
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253 (concat texinfo-tex-dvi-print-command
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254 " " texinfo-tex-root-temp-file ".dvi" "\n"))
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255 (texinfo-recenter-tex-output-buffer nil))
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256
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257
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258 ;;; Texinfo TeX utility functions
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259
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260 (defun texinfo-tex-start-shell ()
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261 (save-excursion
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262 (require 'texinfo)
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263 (set-buffer (if (fboundp 'make-shell)
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264 (make-shell "texinfo-tex-shell" "/bin/sh" nil "-v")
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265 (make-comint "texinfo-tex-shell" "/bin/sh" nil "-v")))
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266 (setq texinfo-tex-shell-map (copy-keymap shell-mode-map))
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267 (texinfo-define-common-keys texinfo-tex-shell-map)
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268 (use-local-map texinfo-tex-shell-map)
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269 (run-hooks 'texinfo-tex-shell-hook)
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270 (if (zerop (buffer-size))
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271 (sleep-for 1))))
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272
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273 (defun texinfo-quit-tex-job ()
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274 "Quit currently running TeX job, by sending an `x' to it."
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275 (interactive)
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276 (if (not (get-process "texinfo-tex-shell"))
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277 (error "No TeX shell running."))
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278 (save-excursion
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279 (set-buffer (get-buffer "*texinfo-tex-shell*"))
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280 (goto-char (point-max))
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281 (insert "x")
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282 (shell-send-input)))
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283
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284 (defun texinfo-kill-tex-job ()
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285 "Kill the currently running TeX job."
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286 (interactive)
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287 (if (get-process "texinfo-tex-shell")
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288 ;; Use `texinfo-tex-shell-sentinel' to restart
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289 ;; texinfo-tex-shell after it is killed.
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290 (kill-process (get-process "texinfo-tex-shell"))))
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291
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292 (defun texinfo-tex-shell-sentinel (process event)
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293 "Restart texinfo-tex-shell after it is killed."
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294 (if (equal event "killed\n")
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295 (save-excursion
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296 (set-buffer "*texinfo-tex-shell*")
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297 (insert "\n")
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298 (texinfo-tex-start-shell))))
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299
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300 (defun texinfo-recenter-tex-output-buffer (linenum)
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301 "Redisplay buffer of TeX job output so that most recent output can be seen.
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302 The last line of the buffer is displayed on
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303 line LINE of the window, or centered if LINE is nil."
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304 (interactive "P")
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305 (let ((texinfo-tex-shell (get-buffer "*texinfo-tex-shell*"))
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306 (old-buffer (current-buffer)))
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307 (if (null texinfo-tex-shell)
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308 (message "No TeX output buffer")
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309 (pop-to-buffer texinfo-tex-shell)
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310 (bury-buffer texinfo-tex-shell)
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311 (goto-char (point-max))
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312 (recenter (if linenum
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313 (prefix-numeric-value linenum)
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314 (/ (window-height) 2)))
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315 (pop-to-buffer old-buffer)
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316 )))
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317
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318 (defun texinfo-show-tex-print-queue ()
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319 "Show the print queue that \\[texinfo-tex-print] put your job on.
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320 Runs the shell command defined by texinfo-show-tex-queue-command."
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321 (interactive)
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322 (if (not (texinfo-tex-shell-running-p))
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323 (texinfo-tex-start-shell))
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324 (send-string "texinfo-tex-shell"
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325 (concat texinfo-show-tex-queue-command "\n"))
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326 (texinfo-recenter-tex-output-buffer nil))
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327
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328 (defun texinfo-delete-from-tex-print-queue (job-number)
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329 "Delete job from the line printer spooling queue.
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330 You are prompted for the job number (shown by a previous
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331 \\[texinfo-show-tex-print-queue] command."
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332 (interactive "nPrinter job number for deletion: ")
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333 (if (texinfo-tex-shell-running-p)
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334 (texinfo-kill-tex-job)
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335 (texinfo-tex-start-shell))
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336 (send-string "texinfo-tex-shell"
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337 (concat
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338 texinfo-delete-from-print-queue-command
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339 " "
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340 job-number"\n"))
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341 (texinfo-recenter-tex-output-buffer nil))
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342
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343 (defun texinfo-tex-shell-running-p ()
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344 (and (get-process "texinfo-tex-shell")
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345 (eq (process-status (get-process "texinfo-tex-shell")) 'run)))
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346
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347
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348 ;;; Place `provide' at end of file.
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349 (provide 'texnfo-tex)
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350 ;;;;;;;;;;;;;;;; end texnfo-tex.el ;;;;;;;;;;;;;;;;
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