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1 ;;;; makeinfo.el -- run makeinfo conveniently.
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2 ;;; Copyright (C) 1991, 1993 Free Software Foundation, Inc.
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3
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4 ;;; Author: Robert J. Chassell
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5 ;;; Maintainer: FSF
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6
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7 ;;; This file is part of GNU Emacs.
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8
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9 ;; GNU Emacs is free software; you can redistribute it and/or modify
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10 ;; it under the terms of the GNU General Public License as published by
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11 ;; the Free Software Foundation; either version 2, or (at your option)
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12 ;; any later version.
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13
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14 ;; GNU Emacs is distributed in the hope that it will be useful,
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15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 ;; GNU General Public License for more details.
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18
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19 ;; You should have received a copy of the GNU General Public License
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20 ;; along with GNU Emacs; see the file COPYING. If not, write to
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21 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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22
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23 ;;; Synched up with: FSF 19.30.
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24
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25 ;;; Commentary:
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26
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27 ;;; The Texinfo mode `makeinfo' related commands are:
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28
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29 ;; makeinfo-region to run makeinfo on the current region.
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30 ;; makeinfo-buffer to run makeinfo on the current buffer, or
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31 ;; with optional prefix arg, on current region
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32 ;; kill-compilation to kill currently running makeinfo job
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33 ;; makeinfo-recenter-makeinfo-buffer to redisplay *compilation* buffer
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34
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35 ;;; Keybindings (defined in `texinfo.el')
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36
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37 ;; makeinfo bindings
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38 ; (define-key texinfo-mode-map "\C-c\C-m\C-r" 'makeinfo-region)
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39 ; (define-key texinfo-mode-map "\C-c\C-m\C-b" 'makeinfo-buffer)
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40 ; (define-key texinfo-mode-map "\C-c\C-m\C-k" 'kill-compilation)
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41 ; (define-key texinfo-mode-map "\C-c\C-m\C-l"
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42 ; 'makeinfo-recenter-compilation-buffer)
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43
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44 ;;; Code:
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45
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46 ;;; Variables used by `makeinfo'
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47
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48 (require 'compile)
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49
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50 (defvar makeinfo-run-command "makeinfo"
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51 "*Command used to run `makeinfo' subjob.
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52 The name of the file is appended to this string, separated by a space.")
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53
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54 (defvar makeinfo-options "--fill-column=70"
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55 "*String containing options for running `makeinfo'.
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56 Do not include `--footnote-style' or `--paragraph-indent';
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57 the proper way to specify those is with the Texinfo commands
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58 `@footnotestyle` and `@paragraphindent'.")
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59
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60 (require 'texinfo)
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61
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62 (defvar makeinfo-compilation-process nil
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63 "Process that runs `makeinfo'. Should start out nil.")
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64
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65 (defvar makeinfo-temp-file nil
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66 "Temporary file name used for text being sent as input to `makeinfo'.")
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67
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68 (defvar makeinfo-output-file-name nil
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69 "Info file name used for text output by `makeinfo'.")
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70
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71
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72 ;;; The `makeinfo' function definitions
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73
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74 (defun makeinfo-region (region-beginning region-end)
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75 "Make Info file from region of current Texinfo file, and switch to it.
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76
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77 This command does not offer the `next-error' feature since it would
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78 apply to a temporary file, not the original; use the `makeinfo-buffer'
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79 command to gain use of `next-error'."
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80
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81 (interactive "r")
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82 (let (filename-or-header
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83 filename-or-header-beginning
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84 filename-or-header-end)
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85 ;; Cannot use `let' for makeinfo-temp-file or
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86 ;; makeinfo-output-file-name since `makeinfo-compilation-sentinel'
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87 ;; needs them.
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88
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89 (setq makeinfo-temp-file
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90 (concat
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91 (make-temp-name
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92 (substring (buffer-file-name)
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93 0
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94 (or (string-match "\\.tex" (buffer-file-name))
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95 (length (buffer-file-name)))))
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96 ".texinfo"))
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97
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98 (save-excursion
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99 (save-restriction
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100 (widen)
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101 (goto-char (point-min))
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102 (let ((search-end (save-excursion (forward-line 100) (point))))
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103 ;; Find and record the Info filename,
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104 ;; or else explain that a filename is needed.
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105 (if (re-search-forward
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106 "^@setfilename[ \t]+\\([^ \t\n]+\\)[ \t]*"
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107 search-end t)
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108 (setq makeinfo-output-file-name
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109 (buffer-substring (match-beginning 1) (match-end 1)))
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110 (error
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111 "The texinfo file needs a line saying: @setfilename <name>"))
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112
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113 ;; Find header and specify its beginning and end.
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114 (goto-char (point-min))
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115 (if (and
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116 (prog1
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117 (search-forward tex-start-of-header search-end t)
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118 (beginning-of-line)
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119 ;; Mark beginning of header.
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120 (setq filename-or-header-beginning (point)))
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121 (prog1
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122 (search-forward tex-end-of-header nil t)
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123 (beginning-of-line)
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124 ;; Mark end of header
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125 (setq filename-or-header-end (point))))
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126
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127 ;; Insert the header into the temporary file.
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128 (write-region
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129 (min filename-or-header-beginning region-beginning)
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130 filename-or-header-end
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131 makeinfo-temp-file nil nil)
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132
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133 ;; Else no header; insert @filename line into temporary file.
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134 (goto-char (point-min))
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135 (search-forward "@setfilename" search-end t)
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136 (beginning-of-line)
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137 (setq filename-or-header-beginning (point))
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138 (forward-line 1)
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139 (setq filename-or-header-end (point))
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140 (write-region
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141 (min filename-or-header-beginning region-beginning)
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142 filename-or-header-end
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143 makeinfo-temp-file nil nil))
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144
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145 ;; Insert the region into the file.
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146 (write-region
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147 (max region-beginning filename-or-header-end)
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148 region-end
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149 makeinfo-temp-file t nil)
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150
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151 ;; Run the `makeinfo-compile' command in the *compilation* buffer
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152 (save-excursion
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153 (makeinfo-compile
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154 (concat makeinfo-run-command
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155 " "
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156 makeinfo-options
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157 " "
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158 makeinfo-temp-file)
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159 "Use `makeinfo-buffer' to gain use of the `next-error' command"
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160 nil)))))))
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161
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162 ;;; Actually run makeinfo. COMMAND is the command to run.
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163 ;;; ERROR-MESSAGE is what to say when next-error can't find another error.
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164 ;;; If PARSE-ERRORS is non-nil, do try to parse error messages.
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165 (defun makeinfo-compile (command error-message parse-errors)
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166 (let ((buffer
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167 (compile-internal command error-message nil
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168 (and (not parse-errors)
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169 ;; If we do want to parse errors, pass nil.
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170 ;; Otherwise, use this function, which won't
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171 ;; ever find any errors.
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172 '(lambda (&rest ignore)
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173 (setq compilation-error-list nil))))))
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174 (set-process-sentinel (get-buffer-process buffer)
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175 'makeinfo-compilation-sentinel)))
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176
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177 ;; Delete makeinfo-temp-file after processing is finished,
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178 ;; and visit Info file.
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179 ;; This function is called when the compilation process changes state.
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180 ;; Based on `compilation-sentinel' in compile.el
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181 (defun makeinfo-compilation-sentinel (proc msg)
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182 (compilation-sentinel proc msg)
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183 (if (and makeinfo-temp-file (file-exists-p makeinfo-temp-file))
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184 (delete-file makeinfo-temp-file))
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185 ;; Always use the version on disk.
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186 (if (get-file-buffer makeinfo-output-file-name)
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187 (progn (set-buffer makeinfo-output-file-name)
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188 (revert-buffer t t))
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189 (find-file makeinfo-output-file-name))
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190 (goto-char (point-min)))
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191
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192 (defun makeinfo-buffer ()
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193 "Make Info file from current buffer.
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194
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195 Use the \\[next-error] command to move to the next error
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196 \(if there are errors\)."
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197
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198 (interactive)
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199 (cond ((null buffer-file-name)
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200 (error "Buffer not visiting any file"))
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201 ((buffer-modified-p)
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202 (if (y-or-n-p "Buffer modified; do you want to save it? ")
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203 (save-buffer))))
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204
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205 ;; Find and record the Info filename,
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206 ;; or else explain that a filename is needed.
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207 (save-excursion
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208 (goto-char (point-min))
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209 (let ((search-end (save-excursion (forward-line 100) (point))))
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210 (if (re-search-forward
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211 "^@setfilename[ \t]+\\([^ \t\n]+\\)[ \t]*"
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212 search-end t)
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213 (setq makeinfo-output-file-name
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214 (buffer-substring (match-beginning 1) (match-end 1)))
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215 (error
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216 "The texinfo file needs a line saying: @setfilename <name>"))))
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217
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218 (save-excursion
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219 (makeinfo-compile
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220 (concat makeinfo-run-command " " makeinfo-options
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221 " " buffer-file-name)
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222 "No more errors."
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223 t)))
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224
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225 (defun makeinfo-recenter-compilation-buffer (linenum)
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226 "Redisplay `*compilation*' buffer so most recent output can be seen.
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227 The last line of the buffer is displayed on
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228 line LINE of the window, or centered if LINE is nil."
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229 (interactive "P")
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230 (let ((makeinfo-buffer (get-buffer "*compilation*"))
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231 (old-buffer (current-buffer)))
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232 (if (null makeinfo-buffer)
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233 (message "No *compilation* buffer")
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234 (pop-to-buffer makeinfo-buffer)
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235 (bury-buffer makeinfo-buffer)
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236 (goto-char (point-max))
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237 (recenter (if linenum
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238 (prefix-numeric-value linenum)
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239 (/ (window-height) 2)))
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240 (pop-to-buffer old-buffer)
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241 )))
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242
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243 ;;; Place `provide' at end of file.
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244 (provide 'makeinfo)
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245
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246 ;;; makeinfo.el ends here
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247
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