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1 ;;!emacs
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2 ;;
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3 ;; FILE: hibtypes.el
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4 ;; SUMMARY: Hyperbole System Implicit Button Types.
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5 ;; USAGE: GNU Emacs Lisp Library
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6 ;; KEYWORDS: extensions, hypermedia
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7 ;;
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8 ;; AUTHOR: Bob Weiner
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9 ;; ORG: Brown U.
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10 ;;
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11 ;; ORIG-DATE: 19-Sep-91 at 20:45:31
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12 ;; LAST-MOD: 3-Nov-95 at 22:49:12 by Bob Weiner
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13 ;;; ************************************************************************
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14 ;;; Other required Elisp libraries
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15 ;;; ************************************************************************
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16
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17 (require 'hactypes)
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18
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19 ;;; ************************************************************************
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20 ;;; Public implicit button types
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21 ;;; ************************************************************************
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22
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23 (run-hooks 'hibtypes:begin-load-hook)
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24
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25 ;;; ========================================================================
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26 ;;; Follows URLs by invoking a browser.
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27 ;;; ========================================================================
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28
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29 (require 'hsys-w3)
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30
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31 ;;; ========================================================================
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32 ;;; Handles internal references within an annotated bibliography, delimiters=[]
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33 ;;; ========================================================================
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34
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35 (defib annot-bib ()
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36 "Displays annotated bibliography entries referenced internally.
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37 References must be delimited by square brackets, must begin with a word
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38 constituent character, and must not be in buffers whose names begin with a
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39 ' ' or '*' character or which do not have an attached file."
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40 (and (not (bolp))
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41 buffer-file-name
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42 (let ((chr (aref (buffer-name) 0)))
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43 (not (or (= chr ? ) (= chr ?*))))
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44 (let* ((ref-and-pos (hbut:label-p t "[" "]" t))
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45 (ref (car ref-and-pos)))
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46 (and ref (= ?w (char-syntax (aref ref 0)))
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47 (progn (ibut:label-set ref-and-pos)
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48 (hact 'annot-bib ref))))))
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49
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50 ;;; ========================================================================
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51 ;;; Summarizes an Internet rfc for random access browsing by section.
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52 ;;; ========================================================================
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53
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54 (defib rfc-toc ()
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55 "Summarizes contents of an Internet rfc from anywhere within rfc buffer.
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56 Each line in summary may be selected to jump to section."
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57 (let ((case-fold-search t)
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58 (toc)
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59 (opoint (point)))
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60 (if (and (string-match "rfc" (buffer-name))
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61 (goto-char (point-min))
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62 (progn (setq toc (search-forward "Table of Contents" nil t))
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63 (re-search-forward "^[ \t]*1.0?[ \t]+[^ \t\n]" nil t
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64 (and toc 2))))
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65 (progn (beginning-of-line)
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66 (ibut:label-set (buffer-name))
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67 (hact 'rfc-toc (buffer-name) opoint))
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68 (goto-char opoint)
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69 nil)))
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70
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71 ;;; ========================================================================
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72 ;;; Jumps to C/C++ source line associated with Cscope C analyzer output line.
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73 ;;; ========================================================================
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74
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75 (defib cscope ()
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76 "Jumps to C/C++ source line associated with Cscope C analyzer output line.
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77 Requires pre-loading of the cscope.el Lisp library available from the Emacs
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78 Lisp archives and the commercial cscope program available from UNIX System
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79 Laboratories. Otherwise, does nothing."
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80 (and (boundp 'cscope:bname-prefix) ;; (featurep 'cscope)
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81 (stringp cscope:bname-prefix)
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82 (string-match (regexp-quote cscope:bname-prefix)
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83 (buffer-name))
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84 (= (match-beginning 0) 0)
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85 (save-excursion
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86 (beginning-of-line)
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87 (looking-at cscope-output-line-regexp))
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88 (let (start end)
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89 (skip-chars-backward "^\n\^M")
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90 (setq start (point))
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91 (skip-chars-forward "^\n\^M")
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92 (setq end (point))
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93 (ibut:label-set (buffer-substring start end)
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94 start end)
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95 (hact 'cscope-interpret-output-line))))
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96
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97 ;;; ========================================================================
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98 ;;; Makes README table of contents entries jump to associated sections.
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99 ;;; ========================================================================
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100
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101 (defib text-toc ()
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102 "Jumps to the text file section referenced by a table of contents entry at point.
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103 File name must contain README and there must be a `Table of Contents' or
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104 `Contents' label on a line by itself (it may begin with an asterisk),
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105 preceding the table of contents. Each toc entry must begin with some
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106 whitespace followed by one or more asterisk characters. Each file section
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107 name line must start with one or more asterisk characters at the very
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108 beginning of the line."
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109 (let (section)
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110 (if (and (string-match "README" (buffer-name))
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111 (save-excursion
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112 (beginning-of-line)
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113 (if (looking-at
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114 "[ \t]+\\*+[ \t]+\\(.*[^ \t]\\)[ \t]*$")
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115 (setq section (buffer-substring (match-beginning 1)
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116 (match-end 1)))))
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117 (progn (ibut:label-set section (match-beginning 1) (match-end 1))
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118 t)
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119 (save-excursion (re-search-backward
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120 "^\\**[ \t]*\\(Table of \\)Contents[ \t]*$"
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121 nil t)))
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122 (hact 'text-toc section))))
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123
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124 ;;; ========================================================================
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125 ;;; Makes directory summaries into file list menus.
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126 ;;; ========================================================================
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127
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128 (defib dir-summary ()
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129 "Detects filename buttons in files named \"MANIFEST\" or \"DIR\".
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130 Displays selected files. Each file name must be at the beginning of the line
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131 or may be preceded by some semicolons and must be followed by one or more
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132 spaces and then another non-space, non-parenthesis, non-brace character."
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133 (if buffer-file-name
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134 (let ((file (file-name-nondirectory buffer-file-name))
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135 entry start end)
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136 (if (or (string= file "DIR") (string= file "MANIFEST"))
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137 (save-excursion
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138 (beginning-of-line)
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139 (if (looking-at
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140 "\\(;+[ \t]*\\)?\\([^(){}* \t\n]+\\)[ \t]+[^(){}* \t\n]")
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141 (progn
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142 (setq entry (buffer-substring
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143 (match-beginning 2) (match-end 2))
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144 start (match-beginning 2)
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145 end (match-end 2))
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146 (if (file-exists-p entry)
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147 (progn (ibut:label-set entry start end)
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148 (hact 'link-to-file entry))))))))))
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149
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150 ;;; ========================================================================
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151 ;;; Executes or documents command bindings of brace delimited key sequences.
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152 ;;; ========================================================================
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153
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154 (require 'hib-kbd)
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155
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156 ;;; ========================================================================
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157 ;;; Makes Internet RFC references retrieve the RFC.
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158 ;;; ========================================================================
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159
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160 (defib rfc ()
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161 "Retrieves and displays an Internet rfc referenced at point.
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162 Requires ange-ftp or efs when needed for remote retrievals. The following
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163 formats are recognized: RFC822, rfc-822, and RFC 822. The 'hpath:rfc'
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164 variable specifies the location from which to retrieve RFCs."
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165 (let ((case-fold-search t)
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166 (rfc-num nil))
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167 (and (not (memq major-mode '(dired-mode monkey-mode)))
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168 (boundp 'hpath:rfc)
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169 (stringp hpath:rfc)
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170 (save-excursion
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171 (skip-chars-backward "-rRfFcC0-9")
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172 (if (looking-at "rfc[- ]?\\([0-9]+\\)")
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173 (progn
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174 (setq rfc-num
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175 (buffer-substring
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176 (match-beginning 1) (match-end 1)))
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177 (ibut:label-set
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178 (buffer-substring (match-beginning 0) (match-end 0)))
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179 t)))
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180 ;; Ensure ange-ftp is available for retrieving a remote
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181 ;; RFC, if need be.
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182 (if (string-match "^/.+:" hpath:rfc)
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183 ;; This is a remote path.
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184 (hpath:ange-ftp-available-p)
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185 ;; local path
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186 t)
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187 (hact 'link-to-rfc rfc-num))))
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188
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189 ;;; ========================================================================
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190 ;;; Makes Hyperbole mail addresses output Hyperbole envir info.
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191 ;;; ========================================================================
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192
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193 (defib hyp-address ()
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194 "Turns a Hyperbole e-mail list address into an implicit button which inserts Hyperbole environment information.
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195 Useful when sending mail to a Hyperbole mail list.
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196 See also the documentation for `actypes::hyp-config'."
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197 (if (memq major-mode (list hmail:composer hnews:composer))
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198 (let ((addr (find-tag-default)))
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199 (cond ((set:member addr (list "hyperbole" "hyperbole@hub.ucsb.edu"))
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200 (hact 'hyp-config))
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201 ((set:member addr
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202 (list "hyperbole-request"
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203 "hyperbole-request@hub.ucsb.edu"))
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204 (hact 'hyp-request))
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205 ))))
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206
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207 ;;; ========================================================================
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208 ;;; Makes source entries in Hyperbole reports selectable.
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209 ;;; ========================================================================
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210
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211 (defib hyp-source ()
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212 "Turns source location entries in Hyperbole reports into buttons that jump to the associated location."
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213 (save-excursion
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214 (beginning-of-line)
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215 (if (looking-at hbut:source-prefix)
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216 (let ((src (hbut:source)))
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217 (if src
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218 (progn (if (not (stringp src)) (setq src (prin1-to-string src)))
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219 (ibut:label-set src (point) (progn (end-of-line) (point)))
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220 (hact 'hyp-source src)))))))
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221
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222 ;;; ========================================================================
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223 ;;; Shows man page associated with a man apropos entry.
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224 ;;; ========================================================================
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225
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226 (defib man-apropos ()
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227 "Makes man apropos entries display associated man pages when selected."
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228 (save-excursion
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229 (beginning-of-line)
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230 (let ((nm "[^ \t\n!@,][^ \t\n,]*")
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231 topic)
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232 (and (looking-at
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233 (concat
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234 "^\\(\\*[ \t]+[!@]\\)?\\(" nm "[ \t]*,[ \t]*\\)*\\(" nm "\\)[ \t]*"
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235 "\\(([-0-9a-zA-z]+)\\)\\(::\\)?[ \t]+-[ \t]+[^ \t\n]"))
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236 (setq topic
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237 (concat (buffer-substring (match-beginning 3) (match-end 3))
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238 (buffer-substring (match-beginning 4) (match-end 4))))
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239 (ibut:label-set topic (match-beginning 3) (match-end 4))
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240 (hact 'man-show topic)))))
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241
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242 ;;; ========================================================================
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243 ;;; Follows links to Hyperbole outliner cells.
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244 ;;; ========================================================================
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245
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246 (if hyperb:kotl-p (require 'klink))
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247
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248 ;;; ========================================================================
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249 ;;; Displays files and directories when double quoted pathname is activated.
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250 ;;; ========================================================================
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251
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252 (defib pathname ()
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253 "Makes a delimited, valid pathname display the path entry.
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254 Also works for delimited and non-delimited ange-ftp and efs pathnames.
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255 See `hpath:at-p' function documentation for possible delimiters.
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256 See `hpath:suffixes' variable documentation for suffixes that are added to or
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257 removed from pathname when searching for a valid match.
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258 See `hpath:find' function documentation and `hpath:display-alist' and
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259 `hpath:find-alist' variable documentation for special file display options."
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260 (let ((path (hpath:at-p)))
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261 (if path
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262 (progn (ibut:label-set path)
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263 (hact 'link-to-file path)))))
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264
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265 ;;; ========================================================================
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266 ;;; Jumps to source line associated with debugger stack frame or breakpoint
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267 ;;; lines. Supports gdb, dbx, and xdb.
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268 ;;; ========================================================================
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269
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270 (defib debugger-source ()
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271 "Jumps to source line associated with debugger stack frame or breakpoint lines.
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272 This works with gdb, dbx, and xdb. Such lines are recognized in any buffer."
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273 (save-excursion
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274 (beginning-of-line)
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275 (cond ((looking-at ".+ \\(at\\|file\\) \\([^ :]+\\):\\([0-9]+\\)\\.?$")
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276 ;; GDB
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277 (let* ((file (buffer-substring (match-beginning 2)
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278 (match-end 2)))
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279 (line-num (buffer-substring (match-beginning 3)
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280 (match-end 3)))
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281 (but-label (concat file ":" line-num)))
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282 (setq line-num (string-to-int line-num))
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283 (ibut:label-set but-label)
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284 (hact 'link-to-file-line file line-num)))
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285 ((looking-at ".+ (file=[^\"\n]+\"\\([^\"\n]+\\)\", line=\\([0-9]+\\),")
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286 ;; XEmacs assertion failure
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287 (let* ((file (buffer-substring (match-beginning 1)
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288 (match-end 1)))
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289 (line-num (buffer-substring (match-beginning 2)
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290 (match-end 2)))
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291 (but-label (concat file ":" line-num)))
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292 (setq line-num (string-to-int line-num))
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293 (ibut:label-set but-label)
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294 (hact 'link-to-file-line file line-num)))
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295 ((looking-at ".+ line \\([0-9]+\\) in \"\\([^\"]+\\)\"$")
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296 ;; New DBX
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297 (let* ((file (buffer-substring (match-beginning 2)
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298 (match-end 2)))
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299 (line-num (buffer-substring (match-beginning 1)
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300 (match-end 1)))
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301 (but-label (concat file ":" line-num)))
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302 (setq line-num (string-to-int line-num))
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303 (ibut:label-set but-label)
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304 (hact 'link-to-file-line file line-num)))
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305 ((or (looking-at ".+ \\[\"\\([^\"]+\\)\":\\([0-9]+\\),") ;; Old DBX
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306 (looking-at ".+ \\[\\([^: ]+\\): \\([0-9]+\\)\\]")) ;; HP-UX xdb
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307 (let* ((file (buffer-substring (match-beginning 1)
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308 (match-end 1)))
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309 (line-num (buffer-substring (match-beginning 2)
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310 (match-end 2)))
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311 (but-label (concat file ":" line-num)))
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312 (setq line-num (string-to-int line-num))
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313 (ibut:label-set but-label)
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314 (hact 'link-to-file-line file line-num))))))
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315
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316 ;;; ========================================================================
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317 ;;; Jumps to source line associated with grep or compilation error messages.
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318 ;;; With credit to Michael Lipp and Mike Williams for the idea.
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319 ;;; ========================================================================
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320
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321 (defib grep-msg ()
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322 "Jumps to line associated with grep or compilation error msgs.
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323 Messages are recognized in any buffer."
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324 (progn
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325 (if (equal (buffer-name) "*compilation*")
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326 (progn
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327 (require 'compile)
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328 ;; Make sure we have a parsed error-list
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329 (if (eq compilation-error-list t)
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330 (progn (compilation-forget-errors)
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331 (setq compilation-parsing-end 1)))
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332 (if (not compilation-error-list)
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333 (save-excursion
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334 (set-buffer-modified-p nil)
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335 (condition-case ()
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336 ;; Emacs V19 incompatibly adds two non-optional arguments
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337 ;; over V18.
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338 (compilation-parse-errors nil nil)
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339 (error (compilation-parse-errors)))))))
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340 ;; Locate and parse grep messages found in any buffer.
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341 (save-excursion
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342 (beginning-of-line)
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343 (if (or
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344 ;; UNIX C compiler and Introl 68HC11 C compiler errors
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345 (looking-at "\\([^ \t\n\^M:]+\\): ?\\([0-9]+\\)[ :]")
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346 ;; BSO/Tasking 68HC08 C compiler errors
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347 (looking-at
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348 "[a-zA-Z 0-9]+: \\([^ \t\n\^M]+\\) line \\([0-9]+\\)[ \t]*:")
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349 ;; UNIX Lint errors
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350 (looking-at "[^:]+: \\([^ \t\n\^M:]+\\): line \\([0-9]+\\):")
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351 ;; SparcWorks C compiler errors (ends with :)
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352 ;; IBM AIX xlc C compiler errors (ends with .)
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353 (looking-at "\"\\([^\"]+\\)\", line \\([0-9]+\\)[:.]")
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354 ;; Introl as11 assembler errors
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355 (looking-at " \\*+ \\([^ \t\n\^M]+\\) - \\([0-9]+\\) ")
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356 ;; perl5: ... at file.c line 10
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357 (looking-at ".+ at \\([^ \t\n]+\\) line +\\([0-9]+\\)")
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358 )
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359 (let* ((file (buffer-substring (match-beginning 1)
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360 (match-end 1)))
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361 (line-num (buffer-substring (match-beginning 2)
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362 (match-end 2)))
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363 (but-label (concat file ":" line-num))
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364 (source-loc (hbut:key-src t)))
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365 (if (stringp source-loc)
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366 (setq file (expand-file-name
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367 file (file-name-directory source-loc))))
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368 (setq line-num (string-to-int line-num))
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369 (ibut:label-set but-label)
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370 (hact 'link-to-file-line file line-num))))))
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371
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372 ;;; ========================================================================
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373 ;;; Jumps to source of Emacs Lisp V19 byte-compiler error messages.
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374 ;;; ========================================================================
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375
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376 (defib elisp-compiler-msg ()
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377 "Jumps to source code for definition associated with byte-compiler error message.
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378 Works when activated anywhere within an error line."
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379 (if (or (equal (buffer-name) "*Compile-Log*")
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380 (equal (buffer-name) "*compilation*")
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381 (save-excursion
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382 (and (re-search-backward "^[^ \t\n\r]" nil t)
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383 (looking-at "While compiling"))))
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384 (let (src buffer-p label)
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385 (and (save-excursion
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386 (re-search-backward
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387 "^While compiling [^\t\n]+ in \\(file\\|buffer\\) \\([^ \n]+\\):$"
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388 nil t))
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389 (setq buffer-p
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390 (equal (buffer-substring (match-beginning 1) (match-end 1))
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391 "buffer")
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392 src (buffer-substring (match-beginning 2) (match-end 2)))
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393 (save-excursion
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394 (end-of-line)
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395 (re-search-backward "^While compiling \\([^ \n]+\\)\\(:$\\| \\)"
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396 nil t))
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397 (progn
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398 (setq label (buffer-substring
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399 (match-beginning 1) (match-end 1)))
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400 (ibut:label-set label (match-beginning 1) (match-end 1))
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401 ;; Remove prefix generated by actype and ibtype definitions.
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402 (setq label (hypb:replace-match-string "[^:]+::" label "" t))
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403 (hact 'link-to-regexp-match
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404 (concat "^\(def[a-z \t]+" (regexp-quote label)
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405 "[ \t\n\(]")
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406 1 src buffer-p))))))
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407
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408 ;;; ========================================================================
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409 ;;; Jumps to source associated with a line of output from 'patch'.
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410 ;;; ========================================================================
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411
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412 (defib patch-msg ()
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413 "Jumps to source code associated with output from the 'patch' program.
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414 Patch applies diffs to source code."
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415 (if (save-excursion
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416 (beginning-of-line)
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417 (looking-at "Patching \\|Hunk "))
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418 (let ((opoint (point))
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419 (file) line)
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420 (beginning-of-line)
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421 (cond ((looking-at "Hunk .+ at \\([0-9]+\\)")
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422 (setq line (buffer-substring (match-beginning 1)
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423 (match-end 1)))
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424 (ibut:label-set line (match-beginning 1) (match-end 1))
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425 (if (re-search-backward "^Patching file \\(\\S +\\)" nil t)
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426 (setq file (buffer-substring (match-beginning 1)
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427 (match-end 1)))))
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428 ((looking-at "Patching file \\(\\S +\\)")
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429 (setq file (buffer-substring (match-beginning 1)
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430 (match-end 1))
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431 line "1")
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432 (ibut:label-set file (match-beginning 1) (match-end 1))))
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433 (goto-char opoint)
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434 (if (null file)
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435 nil
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436 (setq line (string-to-int line))
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437 (hact 'link-to-file-line file line)))))
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438
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439 ;;; ========================================================================
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440 ;;; Composes mail, in another window, to the e-mail address at point.
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441 ;;; ========================================================================
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442
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443 (defib mail-address ()
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444 "If on an e-mail address in a specific buffer type, mail to that address in another window.
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445 Applies to the rolodex match buffer, any buffer attached to a file in
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446 'rolo-file-list', or any buffer with \"mail\" or \"rolo\" (case-insensitive)
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447 within its name."
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448 (if (or (and (let ((case-fold-search t))
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449 (string-match "mail\\|rolo" (buffer-name)))
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450 ;; Don't want this to trigger in a mail/news summary buffer.
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451 (not (or (hmail:lister-p) (hnews:lister-p))))
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452 (if (boundp 'rolo-display-buffer)
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453 (equal (buffer-name) rolo-display-buffer))
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454 (and buffer-file-name
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455 (boundp 'rolo-file-list)
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456 (set:member (current-buffer)
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457 (mapcar 'get-file-buffer rolo-file-list))))
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458 (let ((address (mail-address-at-p)))
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459 (if address
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460 (progn
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461 (ibut:label-set address (match-beginning 1) (match-end 1))
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462 (hact 'mail-other-window nil address))))))
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463
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464 (defconst mail-address-regexp
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465 "\\([_a-zA-Z][-_a-zA-Z0-9.!@+%]*@[-_a-zA-Z0-9.!@+%]+\\.[a-zA-Z][-_a-zA-Z][-_a-zA-Z]?\\|[a-zA-Z][-_a-zA-Z0-9.!+%]+@[-_a-zA-Z0-9@]+\\)\\($\\|[^a-zA-Z0-9.!@%]\\)"
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466 "Regexp with group 1 matching an Internet email address.")
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467
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468 (defun mail-address-at-p ()
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469 "Return e-mail address, a string, that point is within or nil."
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470 (save-excursion
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471 (skip-chars-backward "^ \t\n\^M\"\'(){}[];<>|")
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472 (if (looking-at mail-address-regexp)
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473 (buffer-substring (match-beginning 1) (match-end 1)))))
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474
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475 ;;; ========================================================================
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476 ;;; Displays Info nodes when double quoted "(file)node" button is activated.
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477 ;;; ========================================================================
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478
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479 (defib Info-node ()
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480 "Makes \"(file)node\" buttons display the associated Info node."
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481 (let* ((node-ref-and-pos (hbut:label-p t "\"" "\"" t))
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482 (node-ref (hpath:is-p (car node-ref-and-pos) nil t)))
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483 (and node-ref (string-match "([^\)]+)" node-ref)
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484 (ibut:label-set node-ref-and-pos)
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485 (hact 'link-to-Info-node node-ref))))
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486
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487 ;;; ========================================================================
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488 ;;; Inserts completion into minibuffer or other window.
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489 ;;; ========================================================================
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490
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491 (defib completion ()
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492 "Inserts completion at point into minibuffer or other window."
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493 (let ((completion (hargs:completion t)))
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494 (and completion
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495 (ibut:label-set completion)
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496 (hact 'completion))))
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497
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498
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499 (run-hooks 'hibtypes:end-load-hook)
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500 (provide 'hibtypes)
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501
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