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1 ;;; makeinfo.el --- run makeinfo conveniently
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3 ;; Copyright (C) 1991, 1993 Free Software Foundation, Inc.
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5 ;; Author: Robert J. Chassell
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6 ;; Maintainer: FSF
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8 ;; This file is part of XEmacs.
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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23 ;; Boston, MA 02111-1307, USA.
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24
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25 ;;; Synched up with: FSF 19.34.
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26
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27 ;;; Commentary:
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28
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29 ;;; The Texinfo mode `makeinfo' related commands are:
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30
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31 ;; makeinfo-region to run makeinfo on the current region.
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32 ;; makeinfo-buffer to run makeinfo on the current buffer, or
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33 ;; with optional prefix arg, on current region
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34 ;; kill-compilation to kill currently running makeinfo job
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35 ;; makeinfo-recenter-makeinfo-buffer to redisplay *compilation* buffer
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36
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37 ;;; Keybindings (defined in `texinfo.el')
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38
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39 ;; makeinfo bindings
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40 ; (define-key texinfo-mode-map "\C-c\C-m\C-r" 'makeinfo-region)
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41 ; (define-key texinfo-mode-map "\C-c\C-m\C-b" 'makeinfo-buffer)
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42 ; (define-key texinfo-mode-map "\C-c\C-m\C-k" 'kill-compilation)
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43 ; (define-key texinfo-mode-map "\C-c\C-m\C-l"
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44 ; 'makeinfo-recenter-compilation-buffer)
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45
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46 ;;; Code:
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47
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48 ;;; Variables used by `makeinfo'
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49
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50 (require 'compile)
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51
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52 (defvar makeinfo-run-command "makeinfo"
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53 "*Command used to run `makeinfo' subjob.
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54 The name of the file is appended to this string, separated by a space.")
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55
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56 (defvar makeinfo-options "--fill-column=70"
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57 "*String containing options for running `makeinfo'.
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58 Do not include `--footnote-style' or `--paragraph-indent';
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59 the proper way to specify those is with the Texinfo commands
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60 `@footnotestyle` and `@paragraphindent'.")
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61
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62 (require 'texinfo)
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63
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64 (defvar makeinfo-compilation-process nil
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65 "Process that runs `makeinfo'. Should start out nil.")
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66
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67 (defvar makeinfo-temp-file nil
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68 "Temporary file name used for text being sent as input to `makeinfo'.")
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69
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70 (defvar makeinfo-output-file-name nil
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71 "Info file name used for text output by `makeinfo'.")
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72
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73
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74 ;;; The `makeinfo' function definitions
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75
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76 (defun makeinfo-region (region-beginning region-end)
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77 "Make Info file from region of current Texinfo file, and switch to it.
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78
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79 This command does not offer the `next-error' feature since it would
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80 apply to a temporary file, not the original; use the `makeinfo-buffer'
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81 command to gain use of `next-error'."
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82
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83 (interactive "r")
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84 (let (filename-or-header
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85 filename-or-header-beginning
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86 filename-or-header-end)
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87 ;; Cannot use `let' for makeinfo-temp-file or
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88 ;; makeinfo-output-file-name since `makeinfo-compilation-sentinel'
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89 ;; needs them.
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90
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91 (setq makeinfo-temp-file
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92 (concat
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93 (make-temp-name
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94 (substring (buffer-file-name)
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95 0
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96 (or (string-match "\\.tex" (buffer-file-name))
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97 (length (buffer-file-name)))))
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98 ".texinfo"))
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99
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100 (save-excursion
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101 (save-restriction
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102 (widen)
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103 (goto-char (point-min))
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104 (let ((search-end (save-excursion (forward-line 100) (point))))
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105 ;; Find and record the Info filename,
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106 ;; or else explain that a filename is needed.
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107 (if (re-search-forward
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108 "^@setfilename[ \t]+\\([^ \t\n]+\\)[ \t]*"
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109 search-end t)
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110 (setq makeinfo-output-file-name
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111 (buffer-substring (match-beginning 1) (match-end 1)))
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112 (error
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113 "The texinfo file needs a line saying: @setfilename <name>"))
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114
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115 ;; Find header and specify its beginning and end.
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116 (goto-char (point-min))
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117 (if (and
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118 (prog1
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119 (search-forward tex-start-of-header search-end t)
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120 (beginning-of-line)
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121 ;; Mark beginning of header.
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122 (setq filename-or-header-beginning (point)))
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123 (prog1
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124 (search-forward tex-end-of-header nil t)
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125 (beginning-of-line)
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126 ;; Mark end of header
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127 (setq filename-or-header-end (point))))
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128
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129 ;; Insert the header into the temporary file.
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130 (write-region
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131 (min filename-or-header-beginning region-beginning)
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132 filename-or-header-end
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133 makeinfo-temp-file nil nil)
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134
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135 ;; Else no header; insert @filename line into temporary file.
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136 (goto-char (point-min))
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137 (search-forward "@setfilename" search-end t)
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138 (beginning-of-line)
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139 (setq filename-or-header-beginning (point))
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140 (forward-line 1)
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141 (setq filename-or-header-end (point))
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142 (write-region
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143 (min filename-or-header-beginning region-beginning)
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144 filename-or-header-end
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145 makeinfo-temp-file nil nil))
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146
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147 ;; Insert the region into the file.
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148 (write-region
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149 (max region-beginning filename-or-header-end)
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150 region-end
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151 makeinfo-temp-file t nil)
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152
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153 ;; Run the `makeinfo-compile' command in the *compilation* buffer
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154 (save-excursion
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155 (makeinfo-compile
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156 (concat makeinfo-run-command
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157 " "
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158 makeinfo-options
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159 " "
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160 makeinfo-temp-file)
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161 "Use `makeinfo-buffer' to gain use of the `next-error' command"
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162 nil)))))))
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163
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164 ;;; Actually run makeinfo. COMMAND is the command to run.
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165 ;;; ERROR-MESSAGE is what to say when next-error can't find another error.
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166 ;;; If PARSE-ERRORS is non-nil, do try to parse error messages.
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167 (defun makeinfo-compile (command error-message parse-errors)
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168 (let ((buffer
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169 (compile-internal command error-message nil
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170 (and (not parse-errors)
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171 ;; If we do want to parse errors, pass nil.
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172 ;; Otherwise, use this function, which won't
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173 ;; ever find any errors.
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174 '(lambda (&rest ignore)
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175 (setq compilation-error-list nil))))))
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176 (set-process-sentinel (get-buffer-process buffer)
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177 'makeinfo-compilation-sentinel)))
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178
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179 ;; Delete makeinfo-temp-file after processing is finished,
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180 ;; and visit Info file.
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181 ;; This function is called when the compilation process changes state.
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182 ;; Based on `compilation-sentinel' in compile.el
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183 (defun makeinfo-compilation-sentinel (proc msg)
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184 (compilation-sentinel proc msg)
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185 (if (and makeinfo-temp-file (file-exists-p makeinfo-temp-file))
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186 (delete-file makeinfo-temp-file))
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187 ;; Always use the version on disk.
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188 (if (get-file-buffer makeinfo-output-file-name)
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189 (progn (set-buffer makeinfo-output-file-name)
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190 (revert-buffer t t))
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191 (find-file makeinfo-output-file-name))
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192 (goto-char (point-min)))
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193
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194 (defun makeinfo-buffer ()
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195 "Make Info file from current buffer.
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196
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197 Use the \\[next-error] command to move to the next error
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198 \(if there are errors\)."
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199
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200 (interactive)
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201 (cond ((null buffer-file-name)
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202 (error "Buffer not visiting any file"))
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203 ((buffer-modified-p)
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204 (if (y-or-n-p "Buffer modified; do you want to save it? ")
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205 (save-buffer))))
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206
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207 ;; Find and record the Info filename,
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208 ;; or else explain that a filename is needed.
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209 (save-excursion
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210 (goto-char (point-min))
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211 (let ((search-end (save-excursion (forward-line 100) (point))))
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212 (if (re-search-forward
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213 "^@setfilename[ \t]+\\([^ \t\n]+\\)[ \t]*"
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214 search-end t)
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215 (setq makeinfo-output-file-name
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216 (buffer-substring (match-beginning 1) (match-end 1)))
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217 (error
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218 "The texinfo file needs a line saying: @setfilename <name>"))))
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219
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220 (save-excursion
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221 (makeinfo-compile
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222 (concat makeinfo-run-command " " makeinfo-options
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223 " " buffer-file-name)
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224 "No more errors."
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225 t)))
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226
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227 (defun makeinfo-recenter-compilation-buffer (linenum)
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228 "Redisplay `*compilation*' buffer so most recent output can be seen.
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229 The last line of the buffer is displayed on
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230 line LINE of the window, or centered if LINE is nil."
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231 (interactive "P")
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232 (let ((makeinfo-buffer (get-buffer "*compilation*"))
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233 (old-buffer (current-buffer)))
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234 (if (null makeinfo-buffer)
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235 (message "No *compilation* buffer")
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236 (pop-to-buffer makeinfo-buffer)
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237 (bury-buffer makeinfo-buffer)
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238 (goto-char (point-max))
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239 (recenter (if linenum
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240 (prefix-numeric-value linenum)
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241 (/ (window-height) 2)))
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242 (pop-to-buffer old-buffer)
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243 )))
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244
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245 ;;; Place `provide' at end of file.
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246 (provide 'makeinfo)
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247
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248 ;;; makeinfo.el ends here
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249
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