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1 ;;; psgml.el --- SGML-editing mode with parsing support
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2 ;; $Id: psgml.el,v 1.1.1.1 1996/12/18 03:35:23 steve Exp $
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3
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4 ;; Copyright (C) 1993, 1994, 1995 Lennart Staflin
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5 ;; Copyright (C) 1992 Free Software Foundation, Inc.
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6
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7 ;; Author: Lennart Staflin <lenst@lysator.liu.se>
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8 ;; James Clark <jjc@clark.com>
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9
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10 ;;
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11 ;; This program is free software; you can redistribute it and/or
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12 ;; modify it under the terms of the GNU General Public License
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13 ;; as published by the Free Software Foundation; either version 2
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14 ;; of the License, or (at your option) any later version.
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15 ;;
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16 ;; This program is distributed in the hope that it will be useful,
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17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 ;; GNU General Public License for more details.
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20 ;;
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with this program; if not, write to the Free Software
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23 ;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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24
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25
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26 ;;; Commentary:
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27
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28 ;; Major mode for editing the SGML document-markup language.
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29
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30 ;; Send bugs to lenst@lysator.liu.se
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31
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32 ;; WHAT IT CAN DO
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33
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34 ;; - Identify structural errors (but it is not a validator)
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35 ;; - Menus for inserting tags with only the contextually valid tags
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36 ;; - Edit attribute values in separate window with information about types
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37 ;; and defaults
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38 ;; - Hide attributes
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39 ;; - Fold elements
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40 ;; - Indent according to element nesting depth
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41 ;; - Show context
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42 ;; - Structure editing: move and kill by element
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43 ;; - Find next data context
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44
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45 ;; LIMITATIONS
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46
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47 ;; - only accepts the referece concrete syntax, though it does allow
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48 ;; unlimited lengths on names
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49
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50
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51 ;;; Code:
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52
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53 (defconst psgml-version "1.0a9"
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54 "Version of psgml package.")
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55
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56 (defconst psgml-maintainer-address "lenst@lysator.liu.se")
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57
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58 (require 'cl)
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59
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60 (defvar sgml-debug nil)
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61
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62 (defmacro sgml-debug (&rest x)
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63 (list 'if 'sgml-debug (cons 'sgml-log-message x)))
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64
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65
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66 ;;;; Variables
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67
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68 (defvar sgml-mode-abbrev-table nil
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69 "Abbrev table in use in sgml-mode.")
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70 (define-abbrev-table 'sgml-mode-abbrev-table ())
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71
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72 (defvar sgml-mode-syntax-table nil
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73 "Syntax table used in sgml mode.")
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74
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75 (if sgml-mode-syntax-table
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76 ()
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77 (setq sgml-mode-syntax-table (make-syntax-table))
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78 (modify-syntax-entry ?< "(>" sgml-mode-syntax-table)
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79 (modify-syntax-entry ?> ")<" sgml-mode-syntax-table)
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80 (modify-syntax-entry ?\" ". " sgml-mode-syntax-table)
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81 (modify-syntax-entry ?\\ ". " sgml-mode-syntax-table)
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82 (modify-syntax-entry ?' "w " sgml-mode-syntax-table))
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83
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84 (defvar sgml-running-xemacs
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85 (not (not (string-match "Lucid\\|XEmacs" emacs-version))))
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86
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87 ;;; User settable options:
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88
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89 (defvar sgml-insert-missing-element-comment t
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90 "*If true, and sgml-auto-insert-required-elements also true,
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91 `sgml-insert-element' will insert a comment if there is an element required
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92 but there is more than one to choose from." )
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93
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94 (defvar sgml-insert-end-tag-on-new-line nil
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95 "*If true, `sgml-insert-element' will put the end-tag on a new line
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96 after the start-tag. Useful on slow terminals if you find the end-tag after
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97 the cursor irritating." )
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98
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99 (defvar sgml-doctype nil
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100 "*If set, this should be the name of a file that contains the doctype
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101 declaration to use.
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102 Setting this variable automatically makes it local to the current buffer.")
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103 (put 'sgml-doctype 'sgml-type 'string)
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104 (make-variable-buffer-local 'sgml-doctype)
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105
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106 (defvar sgml-system-identifiers-are-preferred nil
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107 "*If nil, PSGML will look up external entities by searching the catalogs
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108 in `sgml-local-catalogs' and `sgml-catalog-files' and only if the
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109 entity is not found in the catalogs will a given system identifer be
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110 used. If the variable is non-nil and a system identifer is given, the
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111 system identifier will be used for the entity. If no system identifier
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112 is given the catalogs will searched.")
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113
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114 (defvar sgml-range-indicator-max-length 9
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115 "*Maximum number of characters used from the first and last entry
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116 of a submenu to indicate the range of that menu.")
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117
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118 (defvar sgml-default-doctype-name nil
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119 "*Document type name to use if no document type declaration is present.")
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120 (put 'sgml-default-doctype-name 'sgml-type 'string-or-nil)
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121
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122 (defvar sgml-markup-faces '((start-tag . bold)
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123 (end-tag . bold)
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124 (comment . italic)
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125 (pi . bold)
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126 (sgml . bold)
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127 (doctype . bold)
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128 (entity . bold-italic)
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129 (shortref . bold))
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130 "*List of markup to face mappings.
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131 Element are of the form (MARKUP-TYPE . FACE).
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132 Possible values for MARKUP-TYPE is:
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133 comment - comment declaration
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134 doctype - doctype declaration
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135 end-tag
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136 ignored - ignored marked section
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137 ms-end - marked section start, if not ignored
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138 ms-start- marked section end, if not ignored
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139 pi - processing instruction
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140 sgml - SGML declaration
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141 start-tag
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142 entity - general entity reference
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143 shortref- short reference")
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144
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145 (defvar sgml-buggy-subst-char-in-region
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146 (or (not (boundp 'emacs-minor-version))
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147 (not (natnump emacs-minor-version))
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148 (< emacs-minor-version 23))
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149 "*If non-nil, work around a bug in subst-char-in-region.
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150 The bug sets the buffer modified. If this is set, folding commands
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151 will be slower.")
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152
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153 (defvar sgml-set-face nil
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154 "*If non-nil, psgml will set the face of parsed markup.")
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155 (put 'sgml-set-face 'sgml-desc "Set face of parsed markup")
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156
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157 (defvar sgml-live-element-indicator nil
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158 "*If non-nil, indicate current element in mode line.")
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159
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160 (defvar sgml-auto-activate-dtd nil
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161 "*If non-nil, loading a sgml-file will automatically try to activate its DTD.
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162 Activation means either to parse the document type declaration or to
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163 load a previously saved parsed DTD. The name of the activated DTD
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164 will be shown in the mode line.")
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165 (put 'sgml-auto-activate-dtd 'sgml-desc "Auto Activate DTD")
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166
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167 (defvar sgml-offer-save t
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168 "*If non-nil, ask about saving modified buffers before \\[sgml-validate] is run.")
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169
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170 (defvar sgml-parent-document nil
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171 "* Used when the current file is part of a bigger document.
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172
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173 The variable describes how the current file's content fit into the element
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174 hierarchy. The variable should have the form
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175
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176 (PARENT-FILE CONTEXT-ELEMENT* TOP-ELEMENT (HAS-SEEN-ELEMENT*)?)
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177
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178 PARENT-FILE is a string, the name of the file contatining the
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179 document entity.
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180 CONTEXT-ELEMENT is a string, that is the name of an element type.
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181 It can occur 0 or more times and is used to set up
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182 exceptions and short reference map. Good candidates
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183 for these elements are the elements open when the
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184 entity pointing to the current file is used.
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185 TOP-ELEMENT is a string that is the name of the element type
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186 of the top level element in the current file. The file
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187 should contain one instance of this element, unless
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188 the last \(lisp) element of sgml-parent-document is a
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189 list. If it is a list, the top level of the file
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190 should follow the content model of top-element.
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191 HAS-SEEN-ELEMENT is a string that is the name of an element type. This
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192 element is satisfied in the content model of top-element.
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193
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194 Setting this variable automatically makes it local to the current buffer.")
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195 (make-variable-buffer-local 'sgml-parent-document)
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196 (put 'sgml-parent-document 'sgml-type 'list)
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197
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198 (defvar sgml-tag-region-if-active t ;; wing change
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199 "*If non-nil, the Tags menu will tag a region if the region is
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200 considered active by Emacs. If nil, region must be active and
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201 transient-mark-mode/zmacs-regions must be on for the region to be tagged.")
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202
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203 (defvar sgml-normalize-trims t
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204 "*If non-nil, sgml-normalize will trim off white space from end of element
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205 when adding end tag.")
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206
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207 (defvar sgml-omittag t
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208 "*Set to non-nil, if you use OMITTAG YES.
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209
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210 Setting this variable automatically makes it local to the current buffer.")
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211
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212 (make-variable-buffer-local 'sgml-omittag)
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213 (put 'sgml-omittag 'sgml-desc "OMITTAG")
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214
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215 (defvar sgml-shorttag t
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216 "*Set to non-nil, if you use SHORTTAG YES.
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217
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218 Setting this variable automatically makes it local to the current buffer.")
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219
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220 (make-variable-buffer-local 'sgml-shorttag)
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221 (put 'sgml-shorttag 'sgml-desc "SHORTTAG")
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222
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223 (defvar sgml-minimize-attributes nil
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224 "*Determines minimization of attributes inserted by edit-attributes.
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225 Actually two things are done
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226 1. If non-nil, omit attribute name, if attribute value is from a token group.
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227 2. If 'max, omit attributes with default value.
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228
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229 Setting this variable automatically makes it local to the current buffer.")
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230
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231 (make-variable-buffer-local 'sgml-minimize-attributes)
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232 (put 'sgml-minimize-attributes 'sgml-type
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233 '(("No" . nil) ("Yes" . t) ("Max" . max)))
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234
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235 (defvar sgml-always-quote-attributes t
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236 "*If non-nil, quote all attribute values inserted after finishing edit attributes.
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237 Setting this variable automatically makes it local to the current buffer.")
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238
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239 (make-variable-buffer-local 'sgml-always-quote-attributes)
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240
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241 (defvar sgml-auto-insert-required-elements t
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242 "*If non-nil, automatically insert required elements in the content
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243 of an inserted element.")
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244
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245 (defvar sgml-balanced-tag-edit t
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246 "*If non-nil, always insert start-end tag pairs.")
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247
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248 (defvar sgml-omittag-transparent (not sgml-balanced-tag-edit)
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249 "*If non-nil, will show legal tags inside elements with omittable start tags
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250 and legal tags beyond omittable end tags.")
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251
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252 (defvar sgml-leave-point-after-insert nil
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253 "*If non-nil, the point will remain after inserted tag(s).
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254 If nil, the point will be placed before the inserted tag(s).")
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255
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256 (defvar sgml-warn-about-undefined-elements t
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257 "*If non-nil, print a warning when a tag for an undefined element is found.")
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258
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259 (defvar sgml-warn-about-undefined-entities t
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260 "*If non-nil, print a warning when an undefined entity is found.")
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261
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262 (defvar sgml-ignore-undefined-elements nil
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263 "*If non-nil, recover from an undefined element by ignoring the tag.
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264 If nil, recover from an undefined element by assuming it can occur any
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265 where and has content model ANY.")
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266
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267 (defvar sgml-recompile-out-of-date-cdtd 'ask
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268 "*If non-nil, out of date compiled DTDs will be automatically recompiled.
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269 If the value is `ask', PSGML will ask before recompiling. A `nil'
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270 value will cause PSGML to silently load an out of date compiled DTD.
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271 A DTD that referes to undefined external entities is always out of
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272 date, thus in such case it can be useful to set this variable to
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273 `nil'.")
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274 (put 'sgml-recompile-out-of-date-cdtd 'sgml-type '(("No" . nil)
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275 ("Yes" . t)
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276 ("Ask" . ask)))
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277
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278 (defvar sgml-indent-step 2
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279 "*How much to increment indent for every element level.
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280 If nil, no indentation.
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281 Setting this variable automatically makes it local to the current buffer.")
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282 (make-variable-buffer-local 'sgml-indent-step)
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283 (put 'sgml-indent-step 'sgml-type '(("None" . nil) 0 1 2 3 4 5 6 7 8))
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284
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285 (defvar sgml-indent-data nil
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286 "*If non-nil, indent in data/mixed context also.
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287 Setting this variable automatically makes it local to the current buffer.")
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288 (make-variable-buffer-local 'sgml-indent-data)
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289
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290 (defvar sgml-inhibit-indent-tags nil
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291 "*List of tags within which indentation is inhibited.
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292 The tags should be given as strings.")
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293
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294 (defvar sgml-data-directory (expand-file-name "sgml" data-directory)
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295 "*Directory for pre-supplied data files (DTD's and such).
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296 Set this before loading psgml.")
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297
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298 (defvar sgml-system-path nil
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299 "*List of directories used to look for system identifiers.
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300 The directory listed in `sgml-data-directory' is always searched in
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301 addition to the directories listed here.")
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302 (put 'sgml-system-path 'sgml-type 'list)
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303
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304 (defun sgml-parse-colon-path (cd-path)
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305 "Explode a colon-separated list of paths into a string list."
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306 (let (cd-prefix cd-list (cd-start 0) cd-colon)
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307 (setq cd-path (concat cd-path ":"))
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308 (while (setq cd-colon (string-match ":" cd-path cd-start))
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309 (setq cd-list
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310 (nconc cd-list
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311 (list (if (= cd-start cd-colon)
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312 nil
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313 (substitute-in-file-name
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314 (substring cd-path cd-start cd-colon))))))
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315 (setq cd-start (+ cd-colon 1)))
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316 cd-list))
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317
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318 (defvar sgml-public-map (sgml-parse-colon-path
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319 (or (getenv "SGML_PATH")
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320 (concat "%S:" (directory-file-name
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321 sgml-data-directory)
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322 "%o/%c/%d")))
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323
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324 "*Mapping from public identifiers to file names.
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325 This is a list of possible file names. To find the file for a public
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326 identifier the elements of the list are used one at the time from the
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327 beginning. If the element is a string a file name is constructed from
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328 the string by substitution of the whole public identifier for %P,
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329 owner for %O, public text class for %C, and public text description
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330 for %D. The text class will be converted to lower case and the owner
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331 and description will be transliterated according to the variable
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332 sgml-public-transliterations. If the file exists it will be the file
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333 used for the public identifier. An element can also be a dotted pair
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334 (regexp . filename), the filename is a string treated as above, but
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335 only if the regular expression, regexp, matches the public
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336 identifier.")
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337 (put 'sgml-public-map 'sgml-type 'list)
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338
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339 (defvar sgml-local-catalogs nil
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340 "*A list of SGML entity catalogs to be searched first when parsing the buffer.
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341 This is used in addtion to `sgml-catalog-files', and `sgml-public-map'.
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342 This variable is automatically local to the buffer.")
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343 (make-variable-buffer-local 'sgml-local-catalogs)
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344 (put 'sgml-local-catalogs 'sgml-type 'list)
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345
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346 (defvar sgml-catalog-files (sgml-parse-colon-path
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347 (or (getenv "SGML_CATALOG_FILES")
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348 (concat "CATALOG:"
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349 (expand-file-name
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350 "CATALOG"
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351 sgml-data-directory))))
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352 "*List of catalog entry files.
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353 The files are in the format defined in the SGML Open Draft Technical
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354 Resolution on Entity Management.")
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355 (put 'sgml-catalog-files 'sgml-type 'list)
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356
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357 (defvar sgml-ecat-files (list
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358 "ECAT"
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359 "~/sgml/ECAT"
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360 (expand-file-name "ECAT" sgml-data-directory))
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361 "*List of catalog files for PSGML.")
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362 (put 'sgml-ecat-files 'sgml-type 'list)
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363
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364 (defvar sgml-local-ecat-files nil
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365 "*List of local catalog files for PSGML.
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366 Automatically becomes buffer local if set.")
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367
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368 (make-variable-buffer-local 'sgml-local-ecat-files)
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369 (put 'sgml-local-ecat-files 'sgml-type 'list)
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370
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371 (defvar sgml-public-transliterations '((? . ?_) (?/ . ?%))
|
|
|
372 "*Transliteration for characters that should be avoided in file names.
|
|
|
373 This is a list of dotted pairs (FROM . TO); where FROM is the the
|
|
|
374 character to be translated to TO. This is used when parts of a public
|
|
|
375 identifier are used to construct a file name.")
|
|
|
376
|
|
|
377 (defvar sgml-default-dtd-file nil
|
|
|
378 "*This is the default file name for saved DTD.
|
|
|
379 This is set by sgml-mode from the buffer file name.
|
|
|
380 Can be changed in the Local variables section of the file.")
|
|
|
381 (put 'sgml-default-dtd-file 'sgml-type 'string)
|
|
|
382 (put 'sgml-default-dtd-file 'sgml-desc "Default (saved) DTD File")
|
|
|
383
|
|
|
384 (defvar sgml-exposed-tags '()
|
|
|
385 "*The list of tag names that remain visible, despite \\[sgml-hide-tags].
|
|
|
386 Each name is a lowercase string, and start-tags and end-tags must be
|
|
|
387 listed individually.
|
|
|
388
|
|
|
389 `sgml-exposed-tags' is local to each buffer in which it has been set;
|
|
|
390 use `setq-default' to set it to a value that is shared among buffers.")
|
|
|
391 (make-variable-buffer-local 'sgml-exposed-tags)
|
|
|
392 (put 'sgml-exposed-tags 'sgml-type 'list)
|
|
|
393
|
|
|
394
|
|
|
395 (defvar sgml-custom-markup nil
|
|
|
396 "*Menu entries to be added to the Markup menu.
|
|
|
397 The value should be a list of lists of two strings. The first is a
|
|
|
398 string is the menu line and the second string is the text inserted
|
|
|
399 when the menu item is chosen. The second string can contain a \\r
|
|
|
400 where the cursor should be left. Also if a selection is made
|
|
|
401 according the same rules as for the Tags menu, the selection is
|
|
|
402 replaced with the second string and \\r is replaced with the
|
|
|
403 selection.
|
|
|
404
|
|
|
405 Example:
|
|
|
406
|
|
|
407 ((\"Version1\" \"<![%Version1[\\r]]>\")
|
|
|
408 (\"New page\" \"<?NewPage>\"))
|
|
|
409 ")
|
|
|
410
|
|
|
411 (defvar sgml-custom-dtd nil
|
|
|
412 "Menu entries to be added to the DTD menu.
|
|
|
413 The value should be a list of entrys to be added to the DTD menu.
|
|
|
414 Every entry should be a list. The first element of the entry is a string
|
|
|
415 used as the menu entry. The second element is a string containing a
|
|
|
416 doctype declaration (this can be nil if no doctype). The rest of the
|
|
|
417 list should be a list of variables and values. For backward
|
|
|
418 compatibility a singel string instead of a variable is assigned to
|
|
|
419 sgml-default-dtd-file. All variables are made buffer local and are also
|
|
|
420 added to the buffers local variables list.
|
|
|
421
|
|
|
422 Example:
|
|
|
423 ((\"HTML\" nil
|
|
|
424 sgml-default-dtd-file \"~/sgml/html.ced\"
|
|
|
425 sgml-omittag nil sgml-shorttag nil)
|
|
|
426 (\"HTML+\" \"<!doctype htmlplus system 'htmlplus.dtd'>\"
|
|
|
427 \"~/sgml/htmlplus.ced\"
|
|
|
428 sgml-omittag t sgml-shorttag nil)
|
|
|
429 (\"DOCBOOK\" \"<!doctype docbook system 'docbook.dtd'>\"
|
|
|
430 \"~/sgml/docbook.ced\"
|
|
|
431 sgml-omittag nil sgml-shorttag t)))
|
|
|
432 ")
|
|
|
433
|
|
|
434
|
|
|
435 ;;; Faces used in edit attribute buffer:
|
|
|
436 (put 'sgml-default 'face 'underline) ; Face for #DEFAULT
|
|
|
437 (put 'sgml-fixed 'face 'underline) ; Face of #FIXED "..."
|
|
|
438
|
|
|
439
|
|
|
440 ;;; sgmls is a free SGML parser available from
|
|
|
441 ;;; ftp.uu.net:pub/text-processing/sgml
|
|
|
442 ;;; Its error messages can be parsed by next-error.
|
|
|
443 ;;; The -s option suppresses output.
|
|
|
444
|
|
|
445 (defvar sgml-validate-command "sgmls -s %s %s"
|
|
|
446 "*The shell command to validate an SGML document.
|
|
|
447
|
|
|
448 This is a `format' control string that by default should contain two
|
|
|
449 `%s' conversion specifications: the first will be replaced by the
|
|
|
450 value of `sgml-declaration' \(or the empty string, if nil\); the
|
|
|
451 second will be replaced by the current buffer's file name \(or the
|
|
|
452 empty string, if nil\).
|
|
|
453
|
|
|
454 If `sgml-validate-files' is non-nil, the format string should contain
|
|
|
455 one `%s' conversion specification for each element of its result.
|
|
|
456
|
|
|
457 If sgml-validate-command is a list, then every element should be a
|
|
|
458 string. The strings will be tried in order and %-sequences in the
|
|
|
459 string will be replaced according to the list below, if the string contains
|
|
|
460 %-sequences with no replacement value the next string will be tried.
|
|
|
461
|
|
|
462 %b means the visited file of the current buffer
|
|
|
463 %s means the SGML declaration specified in the sgml-declaration variable
|
|
|
464 %d means the file containing the DOCTYPE declaration, if not in the buffer
|
|
|
465 ")
|
|
|
466
|
|
|
467 (defvar sgml-validate-files nil
|
|
|
468 "If non-nil, a function of no arguments that returns a list of file names.
|
|
|
469 These file names will serve as the arguments to the `sgml-validate-command'
|
|
|
470 format control string instead of the defaults.")
|
|
|
471
|
|
|
472 (defvar sgml-validate-error-regexps
|
|
|
473 '(("\\(error\\|warning\\) at \\([^,]+\\), line \\([0-9]+\\)" 2 3)
|
|
|
474 ("^\\(.+\\):\\([0-9]+\\):\\([0-9]+\\):E: " 1 2 3))
|
|
|
475 "Alist of regexps to recognize error messages from `sgml-validate'.
|
|
|
476 See `compilation-error-regexp-alist'.")
|
|
|
477
|
|
|
478 (defvar sgml-declaration nil
|
|
|
479 "*If non-nil, this is the name of the SGML declaration file.")
|
|
|
480 (put 'sgml-declaration 'sgml-type 'string)
|
|
|
481
|
|
|
482 (defvar sgml-mode-hook nil
|
|
|
483 "A hook or list of hooks to be run when entering sgml-mode")
|
|
|
484
|
|
|
485 (defconst sgml-file-options
|
|
|
486 '(
|
|
|
487 sgml-omittag
|
|
|
488 sgml-shorttag
|
|
|
489 sgml-minimize-attributes
|
|
|
490 sgml-always-quote-attributes
|
|
|
491 sgml-indent-step
|
|
|
492 sgml-indent-data
|
|
|
493 sgml-doctype
|
|
|
494 sgml-parent-document
|
|
|
495 sgml-default-dtd-file
|
|
|
496 sgml-exposed-tags
|
|
|
497 sgml-local-catalogs
|
|
|
498 sgml-local-ecat-files
|
|
|
499 )
|
|
|
500 "Options for the current file, can be saved or set from menu."
|
|
|
501 )
|
|
|
502
|
|
|
503 (defconst sgml-user-options
|
|
|
504 '(
|
|
|
505 sgml-set-face
|
|
|
506 sgml-live-element-indicator
|
|
|
507 sgml-auto-activate-dtd
|
|
|
508 sgml-offer-save
|
|
|
509 sgml-tag-region-if-active
|
|
|
510 sgml-normalize-trims
|
|
|
511 sgml-auto-insert-required-elements
|
|
|
512 sgml-balanced-tag-edit
|
|
|
513 sgml-omittag-transparent
|
|
|
514 sgml-leave-point-after-insert
|
|
|
515 sgml-warn-about-undefined-elements
|
|
|
516 sgml-warn-about-undefined-entities
|
|
|
517 sgml-ignore-undefined-elements
|
|
|
518 sgml-recompile-out-of-date-cdtd
|
|
|
519 sgml-default-doctype-name
|
|
|
520 sgml-declaration
|
|
|
521 sgml-validate-command
|
|
|
522 sgml-markup-faces
|
|
|
523 sgml-system-identifiers-are-preferred
|
|
|
524 sgml-system-path
|
|
|
525 sgml-public-map
|
|
|
526 sgml-catalog-files
|
|
|
527 sgml-ecat-files
|
|
|
528 )
|
|
|
529 "User options that can be saved or set from menu."
|
|
|
530 )
|
|
|
531
|
|
|
532 ;;; Internal variables
|
|
|
533
|
|
|
534 (defvar sgml-validate-command-history nil
|
|
|
535 "The minibuffer history list for `sgml-validate''s COMMAND argument.")
|
|
|
536
|
|
|
537 (defvar sgml-mode-map nil "Keymap for SGML mode")
|
|
|
538
|
|
|
539 (defvar sgml-active-dtd-indicator nil
|
|
|
540 "Displayed in the mode line")
|
|
|
541
|
|
|
542
|
|
|
543 ;;;; User options handling
|
|
|
544
|
|
|
545 (defun sgml-variable-description (var)
|
|
|
546 (or (get var 'sgml-desc)
|
|
|
547 (let ((desc (symbol-name var)))
|
|
|
548 (if (string= "sgml-" (substring desc 0 5))
|
|
|
549 (setq desc (substring desc 5)))
|
|
|
550 (loop for c across-ref desc
|
|
|
551 do (if (eq c ?-) (setf c ? )))
|
|
|
552 (capitalize desc))))
|
|
|
553
|
|
|
554 (defun sgml-variable-type (var)
|
|
|
555 (or (get var 'sgml-type)
|
|
|
556 (if (memq (symbol-value var) '(t nil))
|
|
|
557 'toggle)))
|
|
|
558
|
|
|
559 (defun sgml-set-local-variable (var val)
|
|
|
560 "Set the value of variable VAR to VAL in buffer and local variables list."
|
|
|
561 (set (make-local-variable var) val)
|
|
|
562 (save-excursion
|
|
|
563 (let ((prefix "")
|
|
|
564 (suffix "")
|
|
|
565 (case-fold-search t))
|
|
|
566 (goto-char (max (point-min) (- (point-max) 3000)))
|
|
|
567 (cond ((search-forward "Local Variables:" nil t)
|
|
|
568 (setq suffix (buffer-substring (point)
|
|
|
569 (save-excursion (end-of-line 1)
|
|
|
570 (point))))
|
|
|
571 (setq prefix
|
|
|
572 (buffer-substring (save-excursion (beginning-of-line 1)
|
|
|
573 (point))
|
|
|
574 (match-beginning 0))))
|
|
|
575 (t
|
|
|
576 (goto-char (point-max))
|
|
|
577 (unless (bolp)
|
|
|
578 (insert ?\n))
|
|
|
579 (insert
|
|
|
580 "<!-- Keep this comment at the end of the file\n"
|
|
|
581 "Local variables:\n"
|
|
|
582 "mode: sgml\n"
|
|
|
583 "End:\n"
|
|
|
584 "-->\n")
|
|
|
585 (forward-line -3)))
|
|
|
586 (let* ((endpos (save-excursion
|
|
|
587 (search-forward (format "\n%send:" prefix))))
|
|
|
588 (varpos (search-forward (format "\n%s%s:" prefix var) endpos t)))
|
|
|
589 (cond (varpos
|
|
|
590 (delete-region (point)
|
|
|
591 (save-excursion (end-of-line 1)
|
|
|
592 (point)))
|
|
|
593 (insert (format "%S" val) suffix))
|
|
|
594 (t
|
|
|
595 (goto-char endpos)
|
|
|
596 (beginning-of-line 1)
|
|
|
597 (insert prefix (format "%s:%S" var val) suffix ?\n)))))))
|
|
|
598
|
|
|
599 (defun sgml-valid-option (var)
|
|
|
600 (let ((type (sgml-variable-type var))
|
|
|
601 (val (symbol-value var)))
|
|
|
602 (cond ((eq 'string type)
|
|
|
603 (stringp val))
|
|
|
604 ((eq 'list-or-string type)
|
|
|
605 (or (stringp val)
|
|
|
606 (consp val)))
|
|
|
607 (t
|
|
|
608 t))))
|
|
|
609
|
|
|
610 (defun sgml-save-options ()
|
|
|
611 "Save user options for sgml-mode that have buffer local values."
|
|
|
612 (interactive)
|
|
|
613 (let ((l sgml-file-options))
|
|
|
614 (loop for var in sgml-file-options do
|
|
|
615 (when (sgml-valid-option var)
|
|
|
616 (sgml-set-local-variable var (symbol-value var))))))
|
|
|
617
|
|
|
618
|
|
|
619 ;;;; Run hook with args
|
|
|
620
|
|
|
621 (unless (fboundp 'run-hook-with-args)
|
|
|
622 (defun run-hook-with-args (hook &rest args)
|
|
|
623 "Run HOOK with the specified arguments ARGS.
|
|
|
624 HOOK should be a symbol, a hook variable. If HOOK has a non-nil
|
|
|
625 value, that value may be a function or a list of functions to be
|
|
|
626 called to run the hook. If the value is a function, it is called with
|
|
|
627 the given arguments and its return value is returned. If it is a list
|
|
|
628 of functions, those functions are called, in order,
|
|
|
629 with the given arguments ARGS.
|
|
|
630 It is best not to depend on the value return by `run-hook-with-args',
|
|
|
631 as that may change."
|
|
|
632 (and (boundp hook)
|
|
|
633 (symbol-value hook)
|
|
|
634 (let ((value (symbol-value hook)))
|
|
|
635 (if (and (listp value) (not (eq (car value) 'lambda)))
|
|
|
636 (mapcar '(lambda (foo) (apply foo args))
|
|
|
637 value)
|
|
|
638 (apply value args))))))
|
|
|
639
|
|
|
640
|
|
|
641
|
|
|
642
|
|
|
643 ;;;; SGML mode: template functions
|
|
|
644
|
|
|
645 (defun sgml-markup (entry text)
|
|
|
646 (cons entry
|
|
|
647 (` (lambda ()
|
|
|
648 (interactive)
|
|
|
649 (sgml-insert-markup (, text))))))
|
|
|
650
|
|
|
651 (defun sgml-insert-markup (text)
|
|
|
652 (let ((end (sgml-mouse-region))
|
|
|
653 before after
|
|
|
654 old-text)
|
|
|
655 (when end
|
|
|
656 (setq old-text (buffer-substring (point) end))
|
|
|
657 (delete-region (point) end))
|
|
|
658 (setq before (point))
|
|
|
659 (if (stringp text)
|
|
|
660 (insert text)
|
|
|
661 (eval text))
|
|
|
662 (setq after (point))
|
|
|
663 (goto-char before)
|
|
|
664 (when (search-forward "\r" after t)
|
|
|
665 (delete-char -1))
|
|
|
666 (when old-text (insert old-text))))
|
|
|
667
|
|
|
668 (defun sgml-mouse-region ()
|
|
|
669 (let (start end)
|
|
|
670 (cond
|
|
|
671 (sgml-running-xemacs
|
|
|
672 (cond
|
|
|
673 ((null (mark-marker)) nil)
|
|
|
674 (t (setq start (region-beginning)
|
|
|
675 end (region-end)))))
|
|
|
676 ((and transient-mark-mode
|
|
|
677 mark-active)
|
|
|
678 (setq start (region-beginning)
|
|
|
679 end (region-end)))
|
|
|
680 ((and mouse-secondary-overlay
|
|
|
681 (eq (current-buffer)
|
|
|
682 (overlay-buffer mouse-secondary-overlay)))
|
|
|
683 (setq start (overlay-start mouse-secondary-overlay)
|
|
|
684 end (overlay-end mouse-secondary-overlay))
|
|
|
685 (delete-overlay mouse-secondary-overlay)))
|
|
|
686 (when start
|
|
|
687 (goto-char start))
|
|
|
688 end))
|
|
|
689
|
|
|
690
|
|
|
691 ;;;; SGML mode: indentation
|
|
|
692
|
|
|
693 (defun sgml-indent-or-tab ()
|
|
|
694 "Indent line in proper way for current major mode."
|
|
|
695 (interactive)
|
|
|
696 (if (null sgml-indent-step)
|
|
|
697 (insert-tab)
|
|
|
698 (funcall indent-line-function)))
|
|
|
699
|
|
|
700 ;;;; Bug reporting
|
|
|
701
|
|
|
702 (eval-and-compile
|
|
|
703 (autoload 'reporter-submit-bug-report "reporter"))
|
|
|
704
|
|
|
705 (defun sgml-submit-bug-report ()
|
|
|
706 "Submit via mail a bug report on PSGML."
|
|
|
707 (interactive)
|
|
|
708 (and (y-or-n-p "Do you really want to submit a report on PSGML? ")
|
|
|
709 (reporter-submit-bug-report
|
|
|
710 psgml-maintainer-address
|
|
|
711 (concat "psgml.el " psgml-version)
|
|
|
712 (list
|
|
|
713 'sgml-always-quote-attributes
|
|
|
714 'sgml-auto-activate-dtd
|
|
|
715 'sgml-auto-insert-required-elements
|
|
|
716 'sgml-balanced-tag-edit
|
|
|
717 'sgml-catalog-files
|
|
|
718 'sgml-declaration
|
|
|
719 'sgml-doctype
|
|
|
720 'sgml-ecat-files
|
|
|
721 'sgml-indent-data
|
|
|
722 'sgml-indent-step
|
|
|
723 'sgml-leave-point-after-insert
|
|
|
724 'sgml-live-element-indicator
|
|
|
725 'sgml-local-catalogs
|
|
|
726 'sgml-local-ecat-files
|
|
|
727 'sgml-markup-faces
|
|
|
728 'sgml-minimize-attributes
|
|
|
729 'sgml-normalize-trims
|
|
|
730 'sgml-omittag
|
|
|
731 'sgml-omittag-transparent
|
|
|
732 'sgml-parent-document
|
|
|
733 'sgml-public-map
|
|
|
734 'sgml-set-face
|
|
|
735 'sgml-shorttag
|
|
|
736 'sgml-tag-region-if-active
|
|
|
737 ))))
|
|
|
738
|
|
|
739
|
|
|
740 ;;;; SGML mode: keys and menus
|
|
|
741
|
|
|
742 (if sgml-mode-map
|
|
|
743 ()
|
|
|
744 (setq sgml-mode-map (make-sparse-keymap)))
|
|
|
745
|
|
|
746 ;;; Key commands
|
|
|
747
|
|
|
748 (define-key sgml-mode-map "\t" 'sgml-indent-or-tab)
|
|
|
749 ;(define-key sgml-mode-map "<" 'sgml-insert-tag)
|
|
|
750 (define-key sgml-mode-map ">" 'sgml-close-angle)
|
|
|
751 (define-key sgml-mode-map "/" 'sgml-slash)
|
|
|
752 (define-key sgml-mode-map "\C-c#" 'sgml-make-character-reference)
|
|
|
753 (define-key sgml-mode-map "\C-c-" 'sgml-untag-element)
|
|
|
754 (define-key sgml-mode-map "\C-c+" 'sgml-insert-attribute)
|
|
|
755 (define-key sgml-mode-map "\C-c/" 'sgml-insert-end-tag)
|
|
|
756 (define-key sgml-mode-map "\C-c<" 'sgml-insert-tag)
|
|
|
757 (define-key sgml-mode-map "\C-c=" 'sgml-change-element-name)
|
|
|
758 (define-key sgml-mode-map "\C-c\C-a" 'sgml-edit-attributes)
|
|
|
759 (define-key sgml-mode-map "\C-c\C-c" 'sgml-show-context)
|
|
|
760 (define-key sgml-mode-map "\C-c\C-d" 'sgml-next-data-field)
|
|
|
761 (define-key sgml-mode-map "\C-c\C-e" 'sgml-insert-element)
|
|
|
762 (define-key sgml-mode-map "\C-c\C-k" 'sgml-kill-markup)
|
|
|
763 (define-key sgml-mode-map "\C-c\C-l" 'sgml-show-or-clear-log)
|
|
|
764 (define-key sgml-mode-map "\C-c\C-n" 'sgml-up-element)
|
|
|
765 (define-key sgml-mode-map "\C-c\C-o" 'sgml-next-trouble-spot)
|
|
|
766 (define-key sgml-mode-map "\C-c\C-p" 'sgml-parse-prolog)
|
|
|
767 (define-key sgml-mode-map "\C-c\C-q" 'sgml-fill-element)
|
|
|
768 (define-key sgml-mode-map "\C-c\C-r" 'sgml-tag-region)
|
|
|
769 (define-key sgml-mode-map "\C-c\C-s" 'sgml-unfold-line)
|
|
|
770 (define-key sgml-mode-map "\C-c\C-t" 'sgml-list-valid-tags)
|
|
|
771 (define-key sgml-mode-map "\C-c\C-v" 'sgml-validate)
|
|
|
772 (define-key sgml-mode-map "\C-c\C-w" 'sgml-what-element)
|
|
|
773 (define-key sgml-mode-map "\C-c\C-z" 'sgml-trim-and-leave-element)
|
|
|
774 (define-key sgml-mode-map "\C-c\C-f\C-e" 'sgml-fold-element)
|
|
|
775 (define-key sgml-mode-map "\C-c\C-f\C-r" 'sgml-fold-region)
|
|
|
776 (define-key sgml-mode-map "\C-c\C-f\C-s" 'sgml-fold-subelement)
|
|
|
777 (define-key sgml-mode-map "\C-c\C-f\C-x" 'sgml-expand-element)
|
|
|
778 (define-key sgml-mode-map "\C-c\r" 'sgml-split-element)
|
|
|
779 (define-key sgml-mode-map "\C-c\C-u\C-e" 'sgml-unfold-element)
|
|
|
780 (define-key sgml-mode-map "\C-c\C-u\C-a" 'sgml-unfold-all)
|
|
|
781 (define-key sgml-mode-map "\C-c\C-u\C-l" 'sgml-unfold-line)
|
|
|
782 (define-key sgml-mode-map "\C-c\C-u\C-d" 'sgml-custom-dtd)
|
|
|
783 (define-key sgml-mode-map "\C-c\C-u\C-m" 'sgml-custom-markup)
|
|
|
784
|
|
|
785 (define-key sgml-mode-map "\e\C-a" 'sgml-beginning-of-element)
|
|
|
786 (define-key sgml-mode-map "\e\C-e" 'sgml-end-of-element)
|
|
|
787 (define-key sgml-mode-map "\e\C-f" 'sgml-forward-element)
|
|
|
788 (define-key sgml-mode-map "\e\C-b" 'sgml-backward-element)
|
|
|
789 (define-key sgml-mode-map "\e\C-d" 'sgml-down-element)
|
|
|
790 (define-key sgml-mode-map "\e\C-u" 'sgml-backward-up-element)
|
|
|
791 (define-key sgml-mode-map "\e\C-k" 'sgml-kill-element)
|
|
|
792 (define-key sgml-mode-map "\e\C-@" 'sgml-mark-element)
|
|
|
793 ;;(define-key sgml-mode-map [?\M-\C-\ ] 'sgml-mark-element)
|
|
|
794 (define-key sgml-mode-map "\e\C-h" 'sgml-mark-current-element)
|
|
|
795 (define-key sgml-mode-map "\e\C-t" 'sgml-transpose-element)
|
|
|
796 (define-key sgml-mode-map "\M-\t" 'sgml-complete)
|
|
|
797
|
|
|
798 ;;; Menu bar
|
|
|
799
|
|
|
800 (eval-when-compile
|
|
|
801 (autoload 'sgml-build-custom-menus "psgml-other")) ; Avoid compiler warnings
|
|
|
802
|
|
|
803 ;; load menu file at the end
|
|
|
804
|
|
|
805 ;;;; Post command hook
|
|
|
806
|
|
|
807 (defvar sgml-auto-activate-dtd-tried nil)
|
|
|
808 (make-variable-buffer-local 'sgml-auto-activate-dtd-tried)
|
|
|
809
|
|
|
810 (defvar sgml-buffer-parse-state nil
|
|
|
811 "If the buffers DTD has been activated this contains the parser state.
|
|
|
812 The parser state has been created with `sgml-make-pstate' and contains
|
|
|
813 the information about the DTD and the parse tree. This parse state is
|
|
|
814 actually only the state that persists between commands.")
|
|
|
815 (make-variable-buffer-local 'sgml-buffer-parse-state)
|
|
|
816
|
|
|
817 (eval-and-compile ; Interface to psgml-parse
|
|
|
818 (loop for fun in '(sgml-need-dtd sgml-update-display sgml-subst-expand
|
|
|
819 sgml-declaration)
|
|
|
820 do (autoload fun "psgml-parse")))
|
|
|
821
|
|
|
822
|
|
|
823 (defun sgml-command-post ()
|
|
|
824 (when (eq major-mode 'sgml-mode)
|
|
|
825 (when (and (null sgml-buffer-parse-state)
|
|
|
826 sgml-auto-activate-dtd
|
|
|
827 (null sgml-auto-activate-dtd-tried)
|
|
|
828 (not (zerop (buffer-size)))
|
|
|
829 (looking-at ".*<"))
|
|
|
830 (setq sgml-auto-activate-dtd-tried t)
|
|
|
831 (sgml-need-dtd))
|
|
|
832 (when sgml-buffer-parse-state
|
|
|
833 (sgml-update-display))))
|
|
|
834
|
|
|
835
|
|
|
836 ;;;; SGML mode: major mode definition
|
|
|
837
|
|
|
838 ;;; This section is mostly from sgml-mode by James Clark.
|
|
|
839
|
|
|
840 ;;;###autoload
|
|
|
841 (defun sgml-mode ()
|
|
|
842 "Major mode for editing SGML.\\<sgml-mode-map>
|
|
|
843 Makes > display the matching <. Makes / display matching /.
|
|
|
844 Use \\[sgml-validate] to validate your document with an SGML parser.
|
|
|
845
|
|
|
846 You can find information with:
|
|
|
847 \\[sgml-show-context] Show the nesting of elements at cursor position.
|
|
|
848 \\[sgml-list-valid-tags] Show the tags valid at cursor position.
|
|
|
849
|
|
|
850 Insert tags with completion of contextually valid tags with \\[sgml-insert-tag].
|
|
|
851 End the current element with \\[sgml-insert-end-tag]. Insert an element (i.e.
|
|
|
852 both start and end tag) with \\[sgml-insert-element]. Or tag a region with
|
|
|
853 \\[sgml-tag-region].
|
|
|
854
|
|
|
855 To tag a region with the mouse, use transient mark mode or secondary selection.
|
|
|
856
|
|
|
857 Structure editing:
|
|
|
858 \\[sgml-backward-element] Moves backwards over the previous element.
|
|
|
859 \\[sgml-forward-element] Moves forward over the nex element.
|
|
|
860 \\[sgml-down-element] Move forward and down one level in the element structure.
|
|
|
861 \\[sgml-backward-up-element] Move backward out of this element level.
|
|
|
862 \\[sgml-beginning-of-element] Move to after the start tag of the current element.
|
|
|
863 \\[sgml-end-of-element] Move to before the end tag of the current element.
|
|
|
864 \\[sgml-kill-element] Kill the element following the cursor.
|
|
|
865
|
|
|
866 Finding interesting positions
|
|
|
867 \\[sgml-next-data-field] Move forward to next point where data is allowed.
|
|
|
868 \\[sgml-next-trouble-spot] Move forward to next point where something is
|
|
|
869 amiss with the structure.
|
|
|
870
|
|
|
871 Folding and unfolding
|
|
|
872 \\[sgml-fold-element] Fold the lines comprising the current element, leaving
|
|
|
873 the first line visible.
|
|
|
874 \\[sgml-fold-subelement] Fold the elements in the content of the current element.
|
|
|
875 Leaving the first line of every element visible.
|
|
|
876 \\[sgml-unfold-line] Show hidden lines in current line.
|
|
|
877
|
|
|
878 User options:
|
|
|
879
|
|
|
880 sgml-omittag Set this to reflect OMITTAG in the SGML declaration.
|
|
|
881 sgml-shortag Set this to reflect SHORTTAG in the SGML declaration.
|
|
|
882 sgml-auto-insert-required-elements If non-nil, automatically insert required
|
|
|
883 elements in the content of an inserted element.
|
|
|
884 sgml-balanced-tag-edit If non-nil, always insert start-end tag pairs.
|
|
|
885 sgml-omittag-transparent If non-nil, will show legal tags inside elements
|
|
|
886 with omitable start tags and legal tags beyond omitable end tags.
|
|
|
887 sgml-leave-point-after-insert If non-nil, the point will remain after
|
|
|
888 inserted tag(s).
|
|
|
889 sgml-warn-about-undefined-elements If non-nil, print a warning when a tag
|
|
|
890 for a undefined element is found.
|
|
|
891 sgml-max-menu-size Max number of entries in Tags and Entities menus before
|
|
|
892 they are split into several panes.
|
|
|
893 sgml-always-quote-attributes If non-nil, quote all attribute values
|
|
|
894 inserted after finishing edit attributes.
|
|
|
895 sgml-minimize-attributes Determines minimization of attributes inserted by
|
|
|
896 edit-attributes.
|
|
|
897 sgml-normalize-trims If non-nil, sgml-normalize will trim off white space
|
|
|
898 from end of element when adding end tag.
|
|
|
899 sgml-indent-step How much to increament indent for every element level.
|
|
|
900 sgml-indent-data If non-nil, indent in data/mixed context also.
|
|
|
901 sgml-set-face If non-nil, psgml will set the face of parsed markup.
|
|
|
902 sgml-markup-faces The faces used when the above variable is non-nil.
|
|
|
903 sgml-system-path List of directorys used to look for system identifiers.
|
|
|
904 sgml-public-map Mapping from public identifiers to file names.
|
|
|
905 sgml-offer-save If non-nil, ask about saving modified buffers before
|
|
|
906 \\[sgml-validate] is run.
|
|
|
907
|
|
|
908 All bindings:
|
|
|
909 \\{sgml-mode-map}
|
|
|
910 "
|
|
|
911 (interactive)
|
|
|
912 (kill-all-local-variables)
|
|
|
913 (setq local-abbrev-table sgml-mode-abbrev-table)
|
|
|
914 (use-local-map sgml-mode-map)
|
|
|
915 (setq mode-name "SGML")
|
|
|
916 (setq major-mode 'sgml-mode)
|
|
|
917
|
|
|
918 ;; A start or end tag by itself on a line separates a paragraph.
|
|
|
919 ;; This is desirable because SGML discards a newline that appears
|
|
|
920 ;; immediately after a start tag or immediately before an end tag.
|
|
|
921
|
|
|
922 (set (make-local-variable 'paragraph-separate)
|
|
|
923 "^[ \t\n]*$\\|\
|
|
|
924 ^[ \t]*</?\\([A-Za-z]\\([-.A-Za-z0-9= \t\n]\\|\
|
|
|
925 \"[^\"]*\"\\|'[^']*'\\)*\\)?>$")
|
|
|
926 (set (make-local-variable 'paragraph-start)
|
|
|
927 paragraph-separate)
|
|
|
928
|
|
|
929 (set-syntax-table text-mode-syntax-table)
|
|
|
930 (make-local-variable 'comment-start)
|
|
|
931 (setq comment-start "<!-- ")
|
|
|
932 (make-local-variable 'comment-end)
|
|
|
933 (setq comment-end " -->")
|
|
|
934 (make-local-variable 'comment-indent-function)
|
|
|
935 (setq comment-indent-function 'sgml-comment-indent)
|
|
|
936 (make-local-variable 'comment-start-skip)
|
|
|
937 ;; This will allow existing comments within declarations to be
|
|
|
938 ;; recognized. [Does not work well with auto-fill, Lst/940205]
|
|
|
939 ;;(setq comment-start-skip "--[ \t]*")
|
|
|
940 (setq comment-start-skip "<!--[ \t]*")
|
|
|
941 ;; Added for psgml:
|
|
|
942 (make-local-variable 'indent-line-function)
|
|
|
943 (setq indent-line-function 'sgml-indent-line)
|
|
|
944 (make-local-variable 'mode-line-format)
|
|
|
945 ;; wing change: use `subst' rather than duplicating the whole
|
|
|
946 ;; mode-line-format. XEmacs 19.14 changes the default mode-line-format.
|
|
|
947 (setq mode-line-format
|
|
|
948 (subst '("" mode-name sgml-active-dtd-indicator) 'mode-name
|
|
|
949 mode-line-format))
|
|
|
950 (make-local-variable 'sgml-default-dtd-file)
|
|
|
951 (when (setq sgml-default-dtd-file (sgml-default-dtd-file))
|
|
|
952 (unless (file-exists-p sgml-default-dtd-file)
|
|
|
953 (setq sgml-default-dtd-file nil)))
|
|
|
954 (add-hook 'post-command-hook 'sgml-command-post 'append)
|
|
|
955 (run-hooks 'text-mode-hook 'sgml-mode-hook)
|
|
|
956 (sgml-build-custom-menus))
|
|
|
957
|
|
|
958 (defun sgml-default-dtd-file ()
|
|
|
959 (and (buffer-file-name)
|
|
|
960 (let ((base (file-name-nondirectory (buffer-file-name))))
|
|
|
961 (concat
|
|
|
962 (cond ((string-match "\\.[^.]+$" base)
|
|
|
963 (substring base 0 (match-beginning 0)))
|
|
|
964 (t
|
|
|
965 base))
|
|
|
966 ".ced"))))
|
|
|
967
|
|
|
968 (defun sgml-comment-indent ()
|
|
|
969 (if (and (looking-at "--")
|
|
|
970 (not (and (eq (char-after (1- (point))) ?!)
|
|
|
971 (eq (char-after (- (point) 2)) ?<))))
|
|
|
972 (progn
|
|
|
973 (skip-chars-backward " \t")
|
|
|
974 (max comment-column (1+ (current-column))))
|
|
|
975 0))
|
|
|
976
|
|
|
977 (defconst sgml-start-tag-regex
|
|
|
978 "<[A-Za-z]\\([-.A-Za-z0-9= \n\t]\\|\"[^\"]*\"\\|'[^']*'\\)*"
|
|
|
979 "Regular expression that matches a non-empty start tag.
|
|
|
980 Any terminating > or / is not matched.")
|
|
|
981
|
|
|
982 (defvar sgml-mode-markup-syntax-table nil
|
|
|
983 "Syntax table used for scanning SGML markup.")
|
|
|
984
|
|
|
985 (if sgml-mode-markup-syntax-table
|
|
|
986 ()
|
|
|
987 (setq sgml-mode-markup-syntax-table (make-syntax-table))
|
|
|
988 (modify-syntax-entry ?< "(>" sgml-mode-markup-syntax-table)
|
|
|
989 (modify-syntax-entry ?> ")<" sgml-mode-markup-syntax-table)
|
|
|
990 (modify-syntax-entry ?- "_ 1234" sgml-mode-markup-syntax-table)
|
|
|
991 (modify-syntax-entry ?\' "\"" sgml-mode-markup-syntax-table))
|
|
|
992
|
|
|
993 (defconst sgml-angle-distance 4000
|
|
|
994 "*If non-nil, is the maximum distance to search for matching <.")
|
|
|
995
|
|
|
996 (defun sgml-close-angle (arg)
|
|
|
997 "Insert > and display matching <."
|
|
|
998 (interactive "p")
|
|
|
999 (insert-char ?> arg)
|
|
|
1000 (if (> arg 0)
|
|
|
1001 (let ((oldpos (point))
|
|
|
1002 (blinkpos))
|
|
|
1003 (save-excursion
|
|
|
1004 (save-restriction
|
|
|
1005 (if sgml-angle-distance
|
|
|
1006 (narrow-to-region (max (point-min)
|
|
|
1007 (- (point) sgml-angle-distance))
|
|
|
1008 oldpos))
|
|
|
1009 ;; See if it's the end of a marked section.
|
|
|
1010 (and (> (- (point) (point-min)) 3)
|
|
|
1011 (eq (char-after (- (point) 2)) ?\])
|
|
|
1012 (eq (char-after (- (point) 3)) ?\])
|
|
|
1013 (re-search-backward "<!\\[\\(-?[A-Za-z0-9. \t\n&;]\\|\
|
|
|
1014 --\\([^-]\\|-[^-]\\)*--\\)*\\["
|
|
|
1015 (point-min)
|
|
|
1016 t)
|
|
|
1017 (let ((msspos (point)))
|
|
|
1018 (if (and (search-forward "]]>" oldpos t)
|
|
|
1019 (eq (point) oldpos))
|
|
|
1020 (setq blinkpos msspos))))
|
|
|
1021 ;; This handles cases where the > ends one of the following:
|
|
|
1022 ;; markup declaration starting with <! (possibly including a
|
|
|
1023 ;; declaration subset); start tag; end tag; SGML declaration.
|
|
|
1024 (if blinkpos
|
|
|
1025 ()
|
|
|
1026 (goto-char oldpos)
|
|
|
1027 (condition-case ()
|
|
|
1028 (let ((oldtable (syntax-table))
|
|
|
1029 (parse-sexp-ignore-comments t))
|
|
|
1030 (unwind-protect
|
|
|
1031 (progn
|
|
|
1032 (set-syntax-table sgml-mode-markup-syntax-table)
|
|
|
1033 (setq blinkpos (scan-sexps oldpos -1)))
|
|
|
1034 (set-syntax-table oldtable)))
|
|
|
1035 (error nil))
|
|
|
1036 (and blinkpos
|
|
|
1037 (goto-char blinkpos)
|
|
|
1038 (or
|
|
|
1039 ;; Check that it's a valid delimiter in context.
|
|
|
1040 (not (looking-at
|
|
|
1041 "<\\(\\?\\|/?[A-Za-z>]\\|!\\([[A-Za-z]\\|--\\)\\)"))
|
|
|
1042 ;; Check that it's not a net-enabling start tag
|
|
|
1043 ;; nor an unclosed start-tag.
|
|
|
1044 (looking-at (concat sgml-start-tag-regex "[/<]"))
|
|
|
1045 ;; Nor an unclosed end-tag.
|
|
|
1046 (looking-at "</[A-Za-z][-.A-Za-z0-9]*[ \t]*<"))
|
|
|
1047 (setq blinkpos nil)))
|
|
|
1048 (if blinkpos
|
|
|
1049 ()
|
|
|
1050 ;; See if it's the end of a processing instruction.
|
|
|
1051 (goto-char oldpos)
|
|
|
1052 (if (search-backward "<?" (point-min) t)
|
|
|
1053 (let ((pipos (point)))
|
|
|
1054 (if (and (search-forward ">" oldpos t)
|
|
|
1055 (eq (point) oldpos))
|
|
|
1056 (setq blinkpos pipos))))))
|
|
|
1057 (if blinkpos
|
|
|
1058 (progn
|
|
|
1059 (goto-char blinkpos)
|
|
|
1060 (if (pos-visible-in-window-p)
|
|
|
1061 (sit-for 1)
|
|
|
1062 (message "Matches %s"
|
|
|
1063 (buffer-substring blinkpos
|
|
|
1064 (progn (end-of-line)
|
|
|
1065 (point)))))))))))
|
|
|
1066
|
|
|
1067 ;;; I doubt that null end tags are used much for large elements,
|
|
|
1068 ;;; so use a small distance here.
|
|
|
1069 (defconst sgml-slash-distance 1000
|
|
|
1070 "*If non-nil, is the maximum distance to search for matching /.")
|
|
|
1071
|
|
|
1072 (defun sgml-slash (arg)
|
|
|
1073 "Insert / and display any previous matching /.
|
|
|
1074 Two /s are treated as matching if the first / ends a net-enabling
|
|
|
1075 start tag, and the second / is the corresponding null end tag."
|
|
|
1076 (interactive "p")
|
|
|
1077 (insert-char ?/ arg)
|
|
|
1078 (if (> arg 0)
|
|
|
1079 (let ((oldpos (point))
|
|
|
1080 (blinkpos)
|
|
|
1081 (level 0))
|
|
|
1082 (save-excursion
|
|
|
1083 (save-restriction
|
|
|
1084 (if sgml-slash-distance
|
|
|
1085 (narrow-to-region (max (point-min)
|
|
|
1086 (- (point) sgml-slash-distance))
|
|
|
1087 oldpos))
|
|
|
1088 (if (and (re-search-backward sgml-start-tag-regex (point-min) t)
|
|
|
1089 (eq (match-end 0) (1- oldpos)))
|
|
|
1090 ()
|
|
|
1091 (goto-char (1- oldpos))
|
|
|
1092 (while (and (not blinkpos)
|
|
|
1093 (search-backward "/" (point-min) t))
|
|
|
1094 (let ((tagend (save-excursion
|
|
|
1095 (if (re-search-backward sgml-start-tag-regex
|
|
|
1096 (point-min) t)
|
|
|
1097 (match-end 0)
|
|
|
1098 nil))))
|
|
|
1099 (if (eq tagend (point))
|
|
|
1100 (if (eq level 0)
|
|
|
1101 (setq blinkpos (point))
|
|
|
1102 (setq level (1- level)))
|
|
|
1103 (setq level (1+ level)))))))
|
|
|
1104 (if blinkpos
|
|
|
1105 (progn
|
|
|
1106 (goto-char blinkpos)
|
|
|
1107 (if (pos-visible-in-window-p)
|
|
|
1108 (sit-for 1)
|
|
|
1109 (message "Matches %s"
|
|
|
1110 (buffer-substring (progn
|
|
|
1111 (beginning-of-line)
|
|
|
1112 (point))
|
|
|
1113 (1+ blinkpos))))))))))
|
|
|
1114
|
|
|
1115 (eval-and-compile
|
|
|
1116 (autoload 'compile-internal "compile" ""))
|
|
|
1117
|
|
|
1118 (defun sgml-default-validate-command ()
|
|
|
1119 (cond
|
|
|
1120 ((consp sgml-validate-command)
|
|
|
1121 (let ((validate-subst
|
|
|
1122 (list
|
|
|
1123 (cons ?b (and (buffer-file-name)
|
|
|
1124 (file-name-nondirectory (buffer-file-name))))
|
|
|
1125 (cons ?s (sgml-declaration))
|
|
|
1126 (cons ?v sgml-declaration)
|
|
|
1127 (cons ?d sgml-doctype))))
|
|
|
1128 (loop for template in sgml-validate-command
|
|
|
1129 thereis
|
|
|
1130 (sgml-subst-expand template validate-subst))))
|
|
|
1131 (t
|
|
|
1132 (apply 'format sgml-validate-command
|
|
|
1133 (if sgml-validate-files
|
|
|
1134 (funcall sgml-validate-files)
|
|
|
1135 (list (or sgml-declaration "")
|
|
|
1136 (let ((name (buffer-file-name)))
|
|
|
1137 (if name
|
|
|
1138 (file-name-nondirectory name)
|
|
|
1139 ""))))))))
|
|
|
1140
|
|
|
1141 (defun sgml-validate (command)
|
|
|
1142 "Validate an SGML document.
|
|
|
1143 Runs COMMAND, a shell command, in a separate process asynchronously
|
|
|
1144 with output going to the buffer *compilation*.
|
|
|
1145 You can then use the command \\[next-error] to find the next error message
|
|
|
1146 and move to the line in the SGML document that caused it."
|
|
|
1147 (interactive
|
|
|
1148 (list (read-from-minibuffer "Validate command: "
|
|
|
1149 (sgml-default-validate-command)
|
|
|
1150 nil nil 'sgml-validate-command-history)))
|
|
|
1151 (if sgml-offer-save
|
|
|
1152 (save-some-buffers nil nil))
|
|
|
1153 (compile-internal command "No more errors" "SGML validation"
|
|
|
1154 nil
|
|
|
1155 sgml-validate-error-regexps))
|
|
|
1156
|
|
|
1157
|
|
|
1158
|
|
|
1159 ;;;; Autoloads and hooks
|
|
|
1160
|
|
|
1161 (autoload 'sgml-doctype-insert "psgml-edit"
|
|
|
1162 nil
|
|
|
1163 nil nil)
|
|
|
1164 (autoload 'sgml-indent-line "psgml-edit" nil)
|
|
|
1165
|
|
|
1166 ;;; Generated by sgml-build-autoloads
|
|
|
1167
|
|
|
1168 (autoload 'sgml-load-dtd "psgml-parse" "Load a saved DTD from FILE." t)
|
|
|
1169 (autoload 'sgml-show-or-clear-log "psgml-parse" "Show the *SGML LOG* buffer if it is not showing, or clear and
|
|
|
1170 remove it if it is showing." t)
|
|
|
1171 (autoload 'sgml-parse-prolog "psgml-parse" "Parse the document prolog to learn the DTD." t)
|
|
|
1172 (autoload 'sgml-beginning-of-element "psgml-edit" "Move to after the start-tag of the current element.
|
|
|
1173 If the start-tag is implied, move to the start of the element." t)
|
|
|
1174 (autoload 'sgml-end-of-element "psgml-edit" "Move to before the end-tag of the current element." t)
|
|
|
1175 (autoload 'sgml-backward-up-element "psgml-edit" "Move backward out of this element level.
|
|
|
1176 That is move to before the start-tag or where a start-tag is implied." t)
|
|
|
1177 (autoload 'sgml-up-element "psgml-edit" "Move forward out of this element level.
|
|
|
1178 That is move to after the end-tag or where an end-tag is implied." t)
|
|
|
1179 (autoload 'sgml-forward-element "psgml-edit" "Move forward over next element." t)
|
|
|
1180 (autoload 'sgml-backward-element "psgml-edit" "Move backward over previous element at this level.
|
|
|
1181 With implied tags this is ambigous." t)
|
|
|
1182 (autoload 'sgml-down-element "psgml-edit" "Move forward and down one level in the element structure." t)
|
|
|
1183 (autoload 'sgml-kill-element "psgml-edit" "Kill the element following the cursor." t)
|
|
|
1184 (autoload 'sgml-transpose-element "psgml-edit" "Interchange element before point with element after point, leave point after." t)
|
|
|
1185 (autoload 'sgml-mark-element "psgml-edit" "Set mark after next element." t)
|
|
|
1186 (autoload 'sgml-mark-current-element "psgml-edit" "Set mark at end of current element, and leave point before current element." t)
|
|
|
1187 (autoload 'sgml-change-element-name "psgml-edit" "Replace the name of the current element with a new name.
|
|
|
1188 Eventual attributes of the current element will be translated if
|
|
|
1189 possible." t)
|
|
|
1190 (autoload 'sgml-untag-element "psgml-edit" "Remove tags from current element." t)
|
|
|
1191 (autoload 'sgml-kill-markup "psgml-edit" "Kill next tag, markup declaration or process instruction." t)
|
|
|
1192 (autoload 'sgml-fold-region "psgml-edit" "Hide (or if prefixarg unhide) region.
|
|
|
1193 If called from a program first two arguments are start and end of
|
|
|
1194 region. And optional third argument true unhides." t)
|
|
|
1195 (autoload 'sgml-fold-element "psgml-edit" "Fold the lines comprising the current element, leaving the first line visible.
|
|
|
1196 This uses the selective display feature." t)
|
|
|
1197 (autoload 'sgml-fold-subelement "psgml-edit" "Fold all elements current elements content, leaving the first lines visible.
|
|
|
1198 This uses the selective display feature." t)
|
|
|
1199 (autoload 'sgml-unfold-line "psgml-edit" "Show hidden lines in current line." t)
|
|
|
1200 (autoload 'sgml-unfold-element "psgml-edit" "Show all hidden lines in current element." t)
|
|
|
1201 (autoload 'sgml-expand-element "psgml-edit" "As sgml-fold-subelement, but unfold first." t)
|
|
|
1202 (autoload 'sgml-unfold-all "psgml-edit" "Show all hidden lines in buffer." t)
|
|
|
1203 (autoload 'sgml-next-data-field "psgml-edit" "Move forward to next point where data is allowed." t)
|
|
|
1204 (autoload 'sgml-next-trouble-spot "psgml-edit" "Move forward to next point where something is amiss with the structure." t)
|
|
|
1205 (autoload 'sgml-list-valid-tags "psgml-edit" "Display a list of the contextually valid tags." t)
|
|
|
1206 (autoload 'sgml-show-context "psgml-edit" "Display where the cursor is in the element hierarchy." t)
|
|
|
1207 (autoload 'sgml-what-element "psgml-edit" "Display what element is under the cursor." t)
|
|
|
1208 (autoload 'sgml-insert-tag "psgml-edit" "Insert a tag, reading tag name in minibuffer with completion.
|
|
|
1209 If the variable sgml-balanced-tag-edit is t, also inserts the
|
|
|
1210 corresponding end tag. If sgml-leave-point-after-insert is t, the point
|
|
|
1211 is left after the inserted tag(s), unless the element has som required
|
|
|
1212 content. If sgml-leave-point-after-insert is nil the point is left
|
|
|
1213 after the first tag inserted." t)
|
|
|
1214 (autoload 'sgml-insert-element "psgml-edit" "Reads element name from minibuffer and inserts start and end tags." t)
|
|
|
1215 (autoload 'sgml-tag-region "psgml-edit" "Reads element name from minibuffer and inserts start and end tags." t)
|
|
|
1216 (autoload 'sgml-insert-end-tag "psgml-edit" "Insert end-tag for the current open element." t)
|
|
|
1217 (autoload 'sgml-insert-attribute "psgml-edit" "Read attribute name and value from minibuffer and insert attribute spec." t)
|
|
|
1218 (autoload 'sgml-split-element "psgml-edit" "Split the current element at point.
|
|
|
1219 If repeated, the containing element will be split before the beginning
|
|
|
1220 of then current element." t)
|
|
|
1221 (autoload 'sgml-custom-dtd "psgml-edit" "Insert a DTD declaration from the sgml-custom-dtd alist." t)
|
|
|
1222 (autoload 'sgml-custom-markup "psgml-edit" "Insert markup from the sgml-custom-markup alist." t)
|
|
|
1223 (autoload 'sgml-tags-menu "psgml-edit" "Pop up a menu with valid tags and insert the choosen tag.
|
|
|
1224 If the variable sgml-balanced-tag-edit is t, also inserts the
|
|
|
1225 corresponding end tag. If sgml-leave-point-after-insert is t, the point
|
|
|
1226 is left after the inserted tag(s), unless the element has som required
|
|
|
1227 content. If sgml-leave-point-after-insert is nil the point is left
|
|
|
1228 after the first tag inserted." t)
|
|
|
1229 (autoload 'sgml-element-menu "psgml-edit" "Pop up a menu with valid elements and insert choice.
|
|
|
1230 If sgml-leave-point-after-insert is nil the point is left after the first
|
|
|
1231 tag inserted." t)
|
|
|
1232 (autoload 'sgml-start-tag-menu "psgml-edit" "Pop up a menu with valid start-tags and insert choice." t)
|
|
|
1233 (autoload 'sgml-end-tag-menu "psgml-edit" "Pop up a menu with valid end-tags and insert choice." t)
|
|
|
1234 (autoload 'sgml-tag-region-menu "psgml-edit" "Pop up a menu with valid elements and tag current region with the choice." t)
|
|
|
1235 (autoload 'sgml-entities-menu "psgml-edit" nil t)
|
|
|
1236 (autoload 'sgml-attrib-menu "psgml-edit" "Pop up a menu of the attributes of the current element
|
|
|
1237 \(or the element whith start-tag before point)." t)
|
|
|
1238 (autoload 'sgml-fill-element "psgml-edit" "Fill bigest enclosing element with mixed content.
|
|
|
1239 If current element has pure element content, recursively fill the
|
|
|
1240 subelements." t)
|
|
|
1241 (autoload 'sgml-edit-attributes "psgml-edit" "Edit attributes of current element.
|
|
|
1242 Editing is done in a separate window." t)
|
|
|
1243 (autoload 'sgml-edit-attrib-finish "psgml-edit" "Finish editing and insert attribute values in original buffer." t)
|
|
|
1244 (autoload 'sgml-edit-attrib-default "psgml-edit" "Set current attribute value to default." t)
|
|
|
1245 (autoload 'sgml-edit-attrib-clear "psgml-edit" "Kill the value of current attribute." t)
|
|
|
1246 (autoload 'sgml-edit-attrib-field-start "psgml-edit" "Go to the start of the attribute value field." t)
|
|
|
1247 (autoload 'sgml-edit-attrib-field-end "psgml-edit" "Go to the end of the attribute value field." t)
|
|
|
1248 (autoload 'sgml-edit-attrib-next "psgml-edit" "Move to next attribute value." t)
|
|
|
1249 (autoload 'sgml-hide-tags "psgml-edit" "Hide all tags in buffer." t)
|
|
|
1250 (autoload 'sgml-show-tags "psgml-edit" "Show hidden tags in buffer." t)
|
|
|
1251 (autoload 'sgml-hide-attributes "psgml-edit" "Hide all attribute specifications in the buffer." t)
|
|
|
1252 (autoload 'sgml-show-attributes "psgml-edit" "Show all attribute specifications in the buffer." t)
|
|
|
1253 (autoload 'sgml-expand-all-shortrefs "psgml-edit" "Expand all short references in the buffer.
|
|
|
1254 Short references to text entities are expanded to the replacement text
|
|
|
1255 of the entity other short references are expanded into general entity
|
|
|
1256 references. If argument, TO-ENTITY, is non-nil, or if called
|
|
|
1257 interactive with numeric prefix argument, all short references are
|
|
|
1258 replaced by generaly entity references." t)
|
|
|
1259 (autoload 'sgml-normalize "psgml-edit" "Normalize buffer by filling in omitted tags and expanding empty tags.
|
|
|
1260 Argument TO-ENTITY controls how short references are expanded as with
|
|
|
1261 `sgml-expand-all-shortrefs'. An optional argument ELEMENT can be the
|
|
|
1262 element to normalize insted of the whole buffer, if used no short
|
|
|
1263 references will be expanded." t)
|
|
|
1264 (autoload 'sgml-normalize-element "psgml-edit" nil t)
|
|
|
1265 (autoload 'sgml-make-character-reference "psgml-edit" "Convert character after point into a character reference.
|
|
|
1266 If called with a numeric argument, convert a character reference back
|
|
|
1267 to a normal character. If called from a program, set optional
|
|
|
1268 argument INVERT to non-nil." t)
|
|
|
1269 (autoload 'sgml-expand-entity-reference "psgml-edit" "Insert the text of the entity referenced at point." t)
|
|
|
1270 (autoload 'sgml-complete "psgml-edit" "Complete the word/tag/entity before point.
|
|
|
1271 If it is a tag (starts with < or </) complete with valid tags.
|
|
|
1272 If it is an entity (starts with &) complete with declared entities.
|
|
|
1273 If it is a markup declaration (starts with <!) complete with markup
|
|
|
1274 declaration names.
|
|
|
1275 If it is something else complete with ispell-complete-word." t)
|
|
|
1276 (autoload 'sgml-file-options-menu "psgml-edit" nil t)
|
|
|
1277 (autoload 'sgml-user-options-menu "psgml-edit" nil t)
|
|
|
1278 (autoload 'sgml-save-dtd "psgml-dtd" "Save the parsed dtd on FILE." t)
|
|
|
1279 (autoload 'sgml-list-elements "psgml-info" "List the elements and their attributes in the current DTD." t)
|
|
|
1280 (autoload 'sgml-list-attributes "psgml-info" "List the attributes and in which elements they occur." t)
|
|
|
1281 (autoload 'sgml-list-terminals "psgml-info" "List the elements that can have data in their content." t)
|
|
|
1282 (autoload 'sgml-list-content-elements "psgml-info" "List all element types and the element types that can occur in its content." t)
|
|
|
1283 (autoload 'sgml-list-occur-in-elements "psgml-info" "List all element types and where it can occur." t)
|
|
|
1284 (autoload 'sgml-describe-entity "psgml-info" "Describe the properties of an entity as declared in the current DTD." t)
|
|
|
1285 (autoload 'sgml-describe-element-type "psgml-info" "Describe the properties of an element type as declared in the current DTD." t)
|
|
|
1286 (autoload 'sgml-general-dtd-info "psgml-info" "Display information about the current DTD." t)
|
|
|
1287 (autoload 'sgml-charent-to-display-char "psgml-charent" "Replace character entities with their display character equivalents" t)
|
|
|
1288 (autoload 'sgml-display-char-to-charent "psgml-charent" "Replace displayable characters with their character entity equivalents" t)
|
|
|
1289
|
|
|
1290
|
|
|
1291 ;;;; Last provisions
|
|
|
1292 (provide 'psgml)
|
|
|
1293 (provide 'sgml-mode)
|
|
|
1294
|
|
|
1295 (cond
|
|
|
1296 (sgml-running-xemacs
|
|
|
1297 (require 'psgml-xemacs)
|
|
|
1298 (add-hook 'sgml-mode-hook 'sgml-install-xemacs-menus))
|
|
|
1299 (t
|
|
|
1300 (require 'psgml-other)))
|
|
|
1301
|
|
|
1302 ;;; psgml.el ends HERE
|
