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11
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1 ;;; -*- Emacs-Lisp -*-
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2 ;;; YaTeX interface for math-mode.
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3 ;;; yatexmth.el rev.0
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4 ;;; (C)1993 by HIROSE Yuuji [yuuji@ae.keio.ac.jp]
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5 ;;; Last modified Tue Aug 3 23:37:07 1993 on 98fa
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6 ;;; $Id$
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7
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8 (setq
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9 YaTeX-math-key-alist-default
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10 '(
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11 ;frequently used
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12 ("||" "|" ("||" "a"))
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13 ("sum" "sum" ("\\-+\n >\n/-+" ""))
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14 ("sigma" "sum" ("\\-+\n >\n/-+" ""))
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15 ("integral" "int" " /\\\n \\\n\\/")
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16 ("ointegral" "oint" " /\\\n(\\)\n\\/")
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17 ("A" "forall" "|_|\nV")
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18 ("E" "exists" "-+\n-+\n-+")
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19 ("!" "neg" "--+\n |")
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20 ("oo" "infty" ("oo" ""))
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21 ("\\" "backslash" ("\\" "_"))
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22
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23 ;;binary operators
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24 ("+-" "pm" ("+\n-" "}"))
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25 ("-+" "mp" "-\n+")
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26 ("x" "times" ("x" "~"))
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27 ("/" "div" (",\n-\n'" ""))
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28 ("*" "ast" "*")
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29 ("#" "star" ("_/\\_\n\\ /\n//\\\\" ""))
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30 ("o" "circ" "o")
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31 ("o*" "bullet" " _\n(*)\n ~")
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32 ("." "cdot" ".")
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33 ("cap" "cap" "/-\\\n| |")
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34 ("cup" "cup" "| |\n\\-/")
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35 ("u+" "uplus" "|+|\n\\-/")
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36 ("|~|" "sqcap" "|~|")
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37 ("|_|" "sqcup" "|_|")
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38 ("v" "vee" "v")
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39 ("^" "wedge" "^")
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40 ("\\\\" "setminus" "\\")
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41 (")(" "wr" " )\n(")
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42 ("<>" "diamond" "<>")
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43 ("/\-" "bigtriangleup" ("/\\\n~~" ""))
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44 ("-\\/" "bigtriangledown" ("__\n\\/" ""))
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45 ("<|" "triangleleft" "<|")
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46 ("|>" "triangleright" "|>")
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47 ("<||" "lhd" "/|\n\\|")
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48 ("||>" "rhd" "|\\\n|/")
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49 ("<|-" "unlhd" "<|\n~~")
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50 ("|>-" "unrhd" "|>\n~~")
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51 ("o+" "oplus" " _\n(+)\n ~")
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52 ("o-" "ominus" " _\n(-)\n ~")
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53 ("ox" "otimes" " _\n(x)\n ~")
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54 ("o/" "oslash" " _\n(/)\n ~")
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55 ("o." "odot" "(.)")
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56 ("O" "bigcirc" "O")
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57 ("t" "dagger" "+\n|")
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58 ("tt" "ddagger" "+\n+\n|")
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59 ("II" "amalg" "II")
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60 ; :
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61 ;;relational operators
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62 ("<" "leq" ("<\n-" ""))
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63 (">" "geq" (">\n-" ""))
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64 ("-=" "equiv" "=\n-")
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65 ("=-" "equiv" "=\n-")
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66 ("---" "equiv" "=\n-")
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67 ("(" "subset" " _\n(\n ~")
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68 ("(-" "subseteq" " _\n(_\n~")
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69 (")" "supset" "_\n )\n~")
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70 (")-" "supseteq" "_\n_)\n~")
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71 ("[" "sqsubset" "[")
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72 ("[-" "sqsubseteq" "[\n~")
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73 ("]" "sqsupset" "]")
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74 ("]-" "sqsupseteq" "]\n~")
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75 ("{" "in" "(-")
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76 ("}" "ni" "-)")
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77 ("|-" "vdash" "|-")
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78 ("-|" "dashv" "-|")
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79 ("~" "sim" "~(tild)")
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80 ("~-" "simeq" "~\n-")
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81 ("asymp" "asymp" "v\n^")
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82 ("~~" "approx" "~\n~")
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83 ("~=" "cong" "~\n=")
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84 ("=/" "neq" ("=/=" ""))
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85 (".=" "doteq" ".\n=")
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86 ("o<" "propto" "o<")
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87 ("|=" "models" "|=")
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88 ("_|_" "perp" "_|_")
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89 ("|" "mid" "|")
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90 ("||" "parallel" "||")
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91 ("bowtie" "bowtie" "|><|(wide)")
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92 ("|><|" "join" "|><|")
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93 ("\\_/" "smile" "\\_/")
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94 ("/~\\" "frown" "/~~\\")
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95 ("-<" "prec" ("-<" ""))
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96 ("-<=" "preceq" ("-<\n-" "\n="))
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97 ("<<" "ll" ("<<" "s"))
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98 ; :
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99 ;;arrows
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100 ("<-" "leftarrow" ("<-" ""))
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101 ("<--" "longleftarrow" ("<-" "--"))
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102 ("<=" "Leftarrow" "<=")
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103 ("<==" "Longleftarrow" "<==")
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104 ("->" "rightarrow" ("->" ""))
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105 ("-->" "longrightarrow" ("-->" "--"))
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106 ("==>" "Longrightarrow" "==>")
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107 ("<->" "leftrightarrow" ("<->" ""))
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108 ("<-->" "longleftrightarrow" ("<---->" "--"))
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109 ("<=>" "leftrightarrow" "<=>")
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110 ("<==>" "Longleftrightarrow" "<==>")
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111 ("^|" "uparrow" ("^\n|" ""))
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112 ("^||" "Uparrow" "/\\\n||")
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113 ("\C-n" "downarrow" ("|\nv" ""))
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114 ("^|" "uparrow" ("^\n|" ""))
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115 ("|->" "mapsto" ("|->" "|"))
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116 ("<-)" "hookleftarrow" (" ,\n<--+" " R\n<--/"))
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117 ("/-" "leftharpoonup" "/\n~~~")
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118 ("\\-" "leftharpoondown" "__\n\\")
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119 ("-/" "rightharpoondown" "__\n/")
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120 ("-\\" "rightharpoonup" "~~\n\\")
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121 ;other marks
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122 ("Z" "aleph" "|\\|")
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123 ("|\\|" "aleph" "|\\|")
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124 ("h-" "hbar" "_\nh")
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125 ("i" "imath" "i")
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126 ("j" "jmath" "j")
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127 ("l" "ell" "l")
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128 ("wp" "wp" "???")
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129 ("R" "Re" ")R")
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130 ("Im" "Im" "???")
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131 ("mho" "mho" "~|_|~")
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132 ("'" "prime" "'")
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133 ("0" "emptyset" "0")
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134 ("nabla" "nabla" "___\n\\\\/")
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135 ("\\/" "surd" "-\\/")
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136 ("surd" "surd" "-\\/")
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137 ("top" "top" "T")
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138 ("bot" "bot" "_|_")
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139 ("b" "flat" "b")
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140 ("LT" "natural" "|\nLT\n |")
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141 ("6" "partial" " -+\n+-+\n+-+")
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142 ("partial" "partial" " -+\n+-+\n+-+")
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143 ("round" "partial" " -+\n+-+\n+-+")
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144 ("[]" "box" "[]")
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145 ("Diamond" "Diamond" "/\\\n\\/")
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146 ("3" "triangle" "/\\\n~~")
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147 ("C" "clubsuit" " o\no+o\n |")
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148 ("D" "diamondsuit" "/\\\n\\/")
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149 ("H" "heartsuit" "<^^>\n \\/")
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150 ("S" "spadesuit" " /\\\n<++>\n /\\")
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151
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152 ))
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153
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154 (defvar YaTeX-math-key-alist-private nil
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155 "*User definable key vs LaTeX-math-command alist.")
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156
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157 (defvar YaTeX-math-quit-with-strict-match nil
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158 "*T for quitting completion as soon as strict-match is found.")
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159 (setq YaTeX-math-key-alist
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160 (append YaTeX-math-key-alist-private YaTeX-math-key-alist-default))
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161
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162 (setq YaTeX-math-key-array
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163 (let ((array (make-vector (length YaTeX-math-key-alist) ""))
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164 (list YaTeX-math-key-alist) (i 0))
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165 (while list
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166 (aset array i (car (car list)))
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167 (setq i (1+ i) list (cdr list)))
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168 array))
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169
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170 (defvar YaTeX-ec "\\" "Escape character of mark-up language.")
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171 (setq YaTeX-math-indicator
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172 "KEY\tLaTeX sequence\t\tsign")
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173
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174 (defvar YaTeX-math-need-image t
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175 "*T for displaying pseudo image momentarily.")
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176 (defvar YaTeX-math-max-key 8)
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177 (defvar YaTeX-math-max-seq
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178 (* 8 (1+ (/ (length "\\longleftrightarrow") 8))))
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179 (defvar YaTeX-math-max-sign 5)
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180 (defvar YaTeX-math-sign-width
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181 (+ YaTeX-math-max-key YaTeX-math-max-seq YaTeX-math-max-sign))
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182 (defvar YaTeX-math-display-width
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183 (* 8 (1+ (/ YaTeX-math-sign-width 8))))
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184 (defvar YaTeX-math-menu-map nil
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185 "Keymap used in YaTeX mathematical sign menu mode."
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186 )
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187 (if YaTeX-math-menu-map nil
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188 (setq YaTeX-math-menu-map (make-sparse-keymap))
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189 (define-key YaTeX-math-menu-map "n" 'next-line)
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190 (define-key YaTeX-math-menu-map "p" 'previous-line)
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191 (define-key YaTeX-math-menu-map "f" 'YaTeX-math-forward)
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192 (define-key YaTeX-math-menu-map "b" 'YaTeX-math-backward)
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193 (define-key YaTeX-math-menu-map "v" 'scroll-up)
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194 (define-key YaTeX-math-menu-map " " 'scroll-up)
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195 (define-key YaTeX-math-menu-map "c" 'scroll-up)
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196 (define-key YaTeX-math-menu-map "V" 'scroll-down)
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197 (define-key YaTeX-math-menu-map "r" 'scroll-down)
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198 (define-key YaTeX-math-menu-map "\^h" 'scroll-down)
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199 (define-key YaTeX-math-menu-map "<" 'beginning-of-buffer)
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200 (define-key YaTeX-math-menu-map ">" 'end-of-buffer)
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201 (define-key YaTeX-math-menu-map "\^m" 'exit-recursive-edit)
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202 (define-key YaTeX-math-menu-map "q" 'abort-recursive-edit))
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203
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204 (defmacro YaTeX-math-japanese-sign (list)
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205 (list 'nth 1 list))
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206
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207 (defvar YaTeX-math-cmd-regexp (concat (regexp-quote YaTeX-ec) "[A-z]"))
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208
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209 (defun YaTeX-math-forward (arg)
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210 (interactive "p")
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211 (re-search-forward YaTeX-math-cmd-regexp nil t arg))
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212
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213 (defun YaTeX-math-backward (arg)
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214 (interactive "p")
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215 (re-search-backward YaTeX-math-cmd-regexp nil t arg))
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216
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217 (defun YaTeX-math-get-sign (list)
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218 (let ((sign (car (cdr (cdr list)))))
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219 (if (listp sign)
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220 (setq sign (cond
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221 (YaTeX-japan (YaTeX-math-japanese-sign sign))
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222 (t (car sign)))))
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223 sign)
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224 )
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225
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226 (defun YaTeX-math-display-list (list cols)
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227 (goto-char (point-max))
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228 (if (= cols 0) (if (not (eolp)) (newline 1))
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229 (forward-line -1)
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230 (while (looking-at "[ \t\n]") (forward-line -1)))
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231 (end-of-line)
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232 (let ((indent (* YaTeX-math-display-width cols)) sign str to)
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233 (indent-to indent)
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234 (insert (car list))
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235 (indent-to (setq indent (+ indent YaTeX-math-max-key)))
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236 (insert "\\" (car (cdr list)))
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237 (setq indent (+ indent YaTeX-math-max-seq))
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238 (setq sign (YaTeX-math-get-sign list))
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239 (while (not (string= "" sign))
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240 (setq to (string-match "\n" sign)
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241 str (if to (substring sign 0 to) sign))
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242 (end-of-line)
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243 (indent-to indent)
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244 (insert str)
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245 (cond ((eobp) (newline 1))
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246 ((> cols 0) (forward-line 1)))
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247 (setq sign (if to (substring sign (1+ to)) "")))))
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248
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249 (defvar YaTeX-math-menu-buffer "*math-mode-signs*")
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250
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251 (defun YaTeX-math-show-menu (match-str)
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252 (save-window-excursion
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253 (pop-to-buffer YaTeX-math-menu-buffer)
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254 (let ((maxcols (max 1 (/ (screen-width) YaTeX-math-sign-width)))
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255 (case-fold-search nil)
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256 (cols 0) (list YaTeX-math-key-alist) command)
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257 (erase-buffer)
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258 (insert YaTeX-math-indicator "\t")
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259 (insert YaTeX-math-indicator)
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260 (newline 1)
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261 (insert-char ?- (1- (screen-width)))
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262 (newline 1)
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263 (while list
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264 (if (string-match match-str (car (car list)))
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265 (progn (YaTeX-math-display-list (car list) cols)
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266 (setq cols (% (1+ cols) maxcols))))
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267 (setq list (cdr list)))
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268 (goto-char (point-min))
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269 (use-local-map YaTeX-math-menu-map)
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270 (unwind-protect
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271 (recursive-edit)
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272 (skip-chars-backward "^ \t\n")
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273 (setq command
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274 (if (re-search-forward YaTeX-math-cmd-regexp nil t)
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275 (buffer-substring
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276 (match-beginning 0)
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277 (prog2 (skip-chars-forward "^ \t\n") (point)))
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278 nil))
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279 (kill-buffer YaTeX-math-menu-buffer))
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280 command))
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281 )
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282
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283 ;
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284 (defun YaTeX-math-show-image (image &optional exit-char)
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285 "Momentarily display IMAGE at the beginning of the next line;
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286 erase it on the next keystroke. The window is recentered if necessary
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287 to make the whole string visible. If the window isn't large enough,
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288 at least you get to read the beginning."
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289 (let ((buffer-read-only nil)
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290 (modified (buffer-modified-p))
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291 (name buffer-file-name)
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292 insert-start
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293 insert-end)
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294 (unwind-protect
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295 (progn
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296 (save-excursion
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297 ;; defeat file locking... don't try this at home, kids!
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298 (setq buffer-file-name nil)
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299 (forward-line 1)
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300 (setq insert-start (point))
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301 (if (eobp) (newline))
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302 (insert image)
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303 (setq insert-end (point)))
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304 ; make sure the whole string is visible
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305 (if (not (pos-visible-in-window-p insert-end))
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306 (recenter (max 0
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307 (- (window-height)
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308 (count-lines insert-start insert-end)
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309 2))))
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310 (let ((char (read-char)))
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311 (or (eq char exit-char)
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312 (setq unread-command-char char))))
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313 (if insert-end
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314 (save-excursion
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315 (delete-region insert-start insert-end)))
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316 (setq buffer-file-name name)
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317 (set-buffer-modified-p modified))))
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318
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319 (defun YaTeX-math-insert-sequence ()
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320 (interactive)
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321 (let ((key "") regkey str last-char list i
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322 (case-fold-search nil) match
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323 (n (length YaTeX-math-key-array)) (beg (point)) result)
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324 (setq result
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325 (catch 'complete
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326 (while t
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327 (setq last-char (read-char)
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328 key (concat key (char-to-string last-char))
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329 regkey (concat "^" (regexp-quote key)) i 0)
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330 (cond
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331 ((string= key YaTeX-math-invoke-key) ;;invoke key itself
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332 (throw 'complete 'escape))
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333 ((string-match "[\C-g\C-c]" key) (throw 'complete 'abort))
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334 ((string-match "[\n\r]" key) (throw 'complete 'menu)))
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335 (if
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336 (catch 'found
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337 ;;(1)input string strictly matches with alist
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338 (setq single-command (car (cdr match))
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339 ;;remember previous match
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340 match (assoc key YaTeX-math-key-alist))
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341 ;;(2)search partial match into alist
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342 (while (< i n)
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343 (if (string-match
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344 regkey (aref YaTeX-math-key-array i))
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345 (progn
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346 (or match
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347 (setq match (nth i YaTeX-math-key-alist)))
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348 (throw 'found t)))
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349 (setq i (1+ i)))) ;catch 'found
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350 nil ;;if any match, continue reading
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351 ;;else reading of sequence has been done.
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352 (message "complete.")
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353 (throw 'complete t)
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354 )
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355 (if match
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356 (progn (delete-region beg (point))
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357 (insert YaTeX-ec (car (cdr match)))
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358 (if YaTeX-math-need-image
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359 (YaTeX-math-show-image
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360 (concat (YaTeX-math-get-sign match) "\n")))
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361 )
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362 nil)
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363 )))
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364 (cond
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365 ((eq result t)
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366 (setq YaTeX-current-completion-type 'maketitle)
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367 (if t nil
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368 (delete-region beg (point))
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369 (setq single-command (car (cdr match)))
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370 ;;(recursive-edit)
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371 (insert YaTeX-ec single-command)
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372 )
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373 (sit-for 1)
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374 (setq unread-command-char last-char)
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375 (insert (YaTeX-addin single-command)))
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376 ((eq result 'abort)
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377 (delete-region beg (point))
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378 (message "Abort."))
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379 ((eq result 'escape)
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380 (delete-region beg (point))
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381 (insert YaTeX-math-invoke-key))
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382 ((eq result 'menu)
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383 (delete-region beg (point))
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384 (setq key (concat "^" (regexp-quote (substring key 0 -1))))
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385 (insert (YaTeX-math-show-menu key)))))
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386 )
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387 ;;
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388 (provide 'yatexmth)
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