lisp/org/org-entities.el

   1 ;;; org-entities.el --- Support for special entities in Org-mode
   2
   3 ;; Copyright (C) 2010-2012 Free Software Foundation, Inc.
   4
   5 ;; Author: Carsten Dominik <carsten at orgmode dot org>,
   6 ;;         Ulf Stegemann <ulf at zeitform dot de>
   7 ;; Keywords: outlines, calendar, wp
   8 ;; Homepage: http://orgmode.org
   9 ;;
  10 ;; This file is part of GNU Emacs.
  11 ;;
  12 ;; GNU Emacs is free software: you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation, either version 3 of the License, or
  15 ;; (at your option) any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  24 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  25 ;;
  26 ;;; Commentary:
  27
  28 ;;; Code:
  29
  30 (require 'org-macs)
  31
  32 (declare-function org-table-align "org-table" ())
  33
  34 (eval-when-compile
  35   (require 'cl))
  36
  37 (defgroup org-entities nil
  38   "Options concerning entities in Org-mode."
  39   :tag "Org Entities"
  40   :group 'org)
  41
  42 (defcustom org-entities-ascii-explanatory nil
  43   "Non-nil means replace special entities in ASCII.
  44 For example, this will replace \"\\nsup\" with \"[not a superset of]\"
  45 in backends where the corresponding character is not available."
  46   :group 'org-entities
  47   :version "24.1"
  48   :type 'boolean)
  49
  50 (defcustom org-entities-user nil
  51   "User-defined entities used in Org-mode to produce special characters.
  52 Each entry in this list is a list of strings.  It associates the name
  53 of the entity that can be inserted into an Org file as \\name with the
  54 appropriate replacements for the different export backends.  The order
  55 of the fields is the following
  56
  57 name                 As a string, without the leading backslash
  58 LaTeX replacement    In ready LaTeX, no further processing will take place
  59 LaTeX mathp          A Boolean, either t or nil.  t if this entity needs
  60                      to be in math mode.
  61 HTML replacement     In ready HTML, no further processing will take place.
  62                      Usually this will be an &...; entity.
  63 ASCII replacement    Plain ASCII, no extensions.  Symbols that cannot be
  64                      represented will be left as they are, but see the.
  65                      variable `org-entities-ascii-explanatory'.
  66 Latin1 replacement   Use the special characters available in latin1.
  67 utf-8 replacement    Use the special characters available in utf-8.
  68
  69 If you define new entities here that require specific LaTeX packages to be
  70 loaded, add these packages to `org-export-latex-packages-alist'."
  71   :group 'org-entities
  72   :version "24.1"
  73   :type '(repeat
  74           (list
  75            (string :tag "name  ")
  76            (string :tag "LaTeX ")
  77            (boolean :tag "Require LaTeX math?")
  78            (string :tag "HTML  ")
  79            (string :tag "ASCII ")
  80            (string :tag "Latin1")
  81            (string :tag "utf-8 "))))
  82
  83 (defconst org-entities
  84   '(
  85     "* Letters"
  86     "** Latin"
  87     ("Agrave" "\\`{A}" nil "&Agrave;" "A" "À" "À")
  88     ("agrave" "\\`{a}" nil "&agrave;" "a" "à" "à")
  89     ("Aacute" "\\'{A}" nil "&Aacute;" "A" "Á" "Á")
  90     ("aacute" "\\'{a}" nil "&aacute;" "a" "á" "á")
  91     ("Acirc" "\\^{A}" nil "&Acirc;" "A" "Â" "Â")
  92     ("acirc" "\\^{a}" nil "&acirc;" "a" "â" "â")
  93     ("Atilde" "\\~{A}" nil "&Atilde;" "A" "Ã" "Ã")
  94     ("atilde" "\\~{a}" nil "&atilde;" "a" "ã" "ã")
  95     ("Auml" "\\\"{A}" nil "&Auml;" "Ae" "Ä" "Ä")
  96     ("auml" "\\\"{a}" nil "&auml;" "ae" "ä" "ä")
  97     ("Aring" "\\AA{}" nil "&Aring;" "A" "Å" "Å")
  98     ("AA" "\\AA{}" nil "&Aring;" "A" "Å" "Å")
  99     ("aring" "\\aa{}" nil "&aring;" "a" "å" "å")
 100     ("AElig" "\\AE{}" nil "&AElig;" "AE" "Æ" "Æ")
 101     ("aelig" "\\ae{}" nil "&aelig;" "ae" "æ" "æ")
 102     ("Ccedil" "\\c{C}" nil "&Ccedil;" "C" "Ç" "Ç")
 103     ("ccedil" "\\c{c}" nil "&ccedil;" "c" "ç" "ç")
 104     ("Egrave" "\\`{E}" nil "&Egrave;" "E" "È" "È")
 105     ("egrave" "\\`{e}" nil "&egrave;" "e" "è" "è")
 106     ("Eacute" "\\'{E}" nil "&Eacute;" "E" "É" "É")
 107     ("eacute" "\\'{e}" nil "&eacute;" "e" "é" "é")
 108     ("Ecirc" "\\^{E}" nil "&Ecirc;" "E" "Ê" "Ê")
 109     ("ecirc" "\\^{e}" nil "&ecirc;" "e" "ê" "ê")
 110     ("Euml" "\\\"{E}" nil "&Euml;" "E" "Ë" "Ë")
 111     ("euml" "\\\"{e}" nil "&euml;" "e" "ë" "ë")
 112     ("Igrave" "\\`{I}" nil "&Igrave;" "I" "Ì" "Ì")
 113     ("igrave" "\\`{i}" nil "&igrave;" "i" "ì" "ì")
 114     ("Iacute" "\\'{I}" nil "&Iacute;" "I" "Í" "Í")
 115     ("iacute" "\\'{i}" nil "&iacute;" "i" "í" "í")
 116     ("Icirc" "\\^{I}" nil "&Icirc;" "I" "Î" "Î")
 117     ("icirc" "\\^{i}" nil "&icirc;" "i" "î" "î")
 118     ("Iuml" "\\\"{I}" nil "&Iuml;" "I" "Ï" "Ï")
 119     ("iuml" "\\\"{i}" nil "&iuml;" "i" "ï" "ï")
 120     ("Ntilde" "\\~{N}" nil "&Ntilde;" "N" "Ñ" "Ñ")
 121     ("ntilde" "\\~{n}" nil "&ntilde;" "n" "ñ" "ñ")
 122     ("Ograve" "\\`{O}" nil "&Ograve;" "O" "Ò" "Ò")
 123     ("ograve" "\\`{o}" nil "&ograve;" "o" "ò" "ò")
 124     ("Oacute" "\\'{O}" nil "&Oacute;" "O" "Ó" "Ó")
 125     ("oacute" "\\'{o}" nil "&oacute;" "o" "ó" "ó")
 126     ("Ocirc" "\\^{O}" nil "&Ocirc;" "O" "Ô" "Ô")
 127     ("ocirc" "\\^{o}" nil "&ocirc;" "o" "ô" "ô")
 128     ("Otilde" "\\~{O}" nil "&Otilde;" "O" "Õ" "Õ")
 129     ("otilde" "\\~{o}" nil "&otilde;" "o" "õ" "õ")
 130     ("Ouml" "\\\"{O}" nil "&Ouml;" "Oe" "Ö" "Ö")
 131     ("ouml" "\\\"{o}" nil "&ouml;" "oe" "ö" "ö")
 132     ("Oslash" "\\O" nil "&Oslash;" "O" "Ø" "Ø")
 133     ("oslash" "\\o{}" nil "&oslash;" "o" "ø" "ø")
 134     ("OElig" "\\OE{}" nil "&OElig;" "OE" "OE" "Œ")
 135     ("oelig" "\\oe{}" nil "&oelig;" "oe" "oe" "œ")
 136     ("Scaron" "\\v{S}" nil "&Scaron;" "S" "S" "Š")
 137     ("scaron" "\\v{s}" nil "&scaron;" "s" "s" "š")
 138     ("szlig" "\\ss{}" nil "&szlig;" "ss" "ß" "ß")
 139     ("Ugrave" "\\`{U}" nil "&Ugrave;" "U" "Ù" "Ù")
 140     ("ugrave" "\\`{u}" nil "&ugrave;" "u" "ù" "ù")
 141     ("Uacute" "\\'{U}" nil "&Uacute;" "U" "Ú" "Ú")
 142     ("uacute" "\\'{u}" nil "&uacute;" "u" "ú" "ú")
 143     ("Ucirc" "\\^{U}" nil "&Ucirc;" "U" "Û" "Û")
 144     ("ucirc" "\\^{u}" nil "&ucirc;" "u" "û" "û")
 145     ("Uuml" "\\\"{U}" nil "&Uuml;" "Ue" "Ü" "Ü")
 146     ("uuml" "\\\"{u}" nil "&uuml;" "ue" "ü" "ü")
 147     ("Yacute" "\\'{Y}" nil "&Yacute;" "Y" "Ý" "Ý")
 148     ("yacute" "\\'{y}" nil "&yacute;" "y" "ý" "ý")
 149     ("Yuml" "\\\"{Y}" nil "&Yuml;" "Y" "Y" "Ÿ")
 150     ("yuml" "\\\"{y}" nil "&yuml;" "y" "ÿ" "ÿ")
 151
 152     "** Latin (special face)"
 153     ("fnof" "\\textit{f}" nil "&fnof;" "f" "f" "ƒ")
 154     ("real" "\\Re" t "&real;" "R" "R" "ℜ")
 155     ("image" "\\Im" t "&image;" "I" "I" "ℑ")
 156     ("weierp" "\\wp" t "&weierp;" "P" "P" "℘")
 157
 158     "** Greek"
 159     ("Alpha" "A" nil "&Alpha;" "Alpha" "Alpha" "Α")
 160     ("alpha" "\\alpha" t "&alpha;" "alpha" "alpha" "α")
 161     ("Beta" "B" nil "&Beta;" "Beta" "Beta" "Β")
 162     ("beta" "\\beta" t "&beta;" "beta" "beta" "β")
 163     ("Gamma" "\\Gamma" t "&Gamma;" "Gamma" "Gamma" "Γ")
 164     ("gamma" "\\gamma" t "&gamma;" "gamma" "gamma" "γ")
 165     ("Delta" "\\Delta" t "&Delta;" "Delta" "Gamma" "Δ")
 166     ("delta" "\\delta" t "&delta;" "delta" "delta" "δ")
 167     ("Epsilon" "E" nil "&Epsilon;" "Epsilon" "Epsilon" "Ε")
 168     ("epsilon" "\\epsilon" t "&epsilon;" "epsilon" "epsilon" "ε")
 169     ("varepsilon" "\\varepsilon" t "&epsilon;" "varepsilon" "varepsilon" "ε")
 170     ("Zeta" "Z" nil "&Zeta;" "Zeta" "Zeta" "Ζ")
 171     ("zeta" "\\zeta" t "&zeta;" "zeta" "zeta" "ζ")
 172     ("Eta" "H" nil "&Eta;" "Eta" "Eta" "Η")
 173     ("eta" "\\eta" t "&eta;" "eta" "eta" "η")
 174     ("Theta" "\\Theta" t "&Theta;" "Theta" "Theta" "Θ")
 175     ("theta" "\\theta" t "&theta;" "theta" "theta" "θ")
 176     ("thetasym" "\\vartheta" t "&thetasym;" "theta" "theta" "ϑ")
 177     ("vartheta" "\\vartheta" t "&thetasym;" "theta" "theta" "ϑ")
 178     ("Iota" "I" nil "&Iota;" "Iota" "Iota" "Ι")
 179     ("iota" "\\iota" t "&iota;" "iota" "iota" "ι")
 180     ("Kappa" "K" nil "&Kappa;" "Kappa" "Kappa" "Κ")
 181     ("kappa" "\\kappa" t "&kappa;" "kappa" "kappa" "κ")
 182     ("Lambda" "\\Lambda" t "&Lambda;" "Lambda" "Lambda" "Λ")
 183     ("lambda" "\\lambda" t "&lambda;" "lambda" "lambda" "λ")
 184     ("Mu" "M" nil "&Mu;" "Mu" "Mu" "Μ")
 185     ("mu" "\\mu" t "&mu;" "mu" "mu" "μ")
 186     ("nu" "\\nu" t "&nu;" "nu" "nu" "ν")
 187     ("Nu" "N" nil "&Nu;" "Nu" "Nu" "Ν")
 188     ("Xi" "\\Xi" t "&Xi;" "Xi" "Xi" "Ξ")
 189     ("xi" "\\xi" t "&xi;" "xi" "xi" "ξ")
 190     ("Omicron" "O" nil "&Omicron;" "Omicron" "Omicron" "Ο")
 191     ("omicron" "\\textit{o}" nil "&omicron;" "omicron" "omicron" "ο")
 192     ("Pi" "\\Pi" t "&Pi;" "Pi" "Pi" "Π")
 193     ("pi" "\\pi" t "&pi;" "pi" "pi" "π")
 194     ("Rho" "P" nil "&Rho;" "Rho" "Rho" "Ρ")
 195     ("rho" "\\rho" t "&rho;" "rho" "rho" "ρ")
 196     ("Sigma" "\\Sigma" t "&Sigma;" "Sigma" "Sigma" "Σ")
 197     ("sigma" "\\sigma" t "&sigma;" "sigma" "sigma" "σ")
 198     ("sigmaf" "\\varsigma" t "&sigmaf;" "sigmaf" "sigmaf" "ς")
 199     ("varsigma" "\\varsigma" t "&sigmaf;" "varsigma" "varsigma" "ς")
 200     ("Tau" "T" nil "&Tau;" "Tau" "Tau" "Τ")
 201     ("Upsilon" "\\Upsilon" t "&Upsilon;" "Upsilon" "Upsilon" "Υ")
 202     ("upsih" "\\Upsilon" t "&upsih;" "upsilon" "upsilon" "ϒ")
 203     ("upsilon" "\\upsilon" t "&upsilon;" "upsilon" "upsilon" "υ")
 204     ("Phi" "\\Phi" t "&Phi;" "Phi" "Phi" "Φ")
 205     ("phi" "\\phi" t "&phi;" "phi" "phi" "φ")
 206     ("Chi" "X" nil "&Chi;" "Chi" "Chi" "Χ")
 207     ("chi" "\\chi" t "&chi;" "chi" "chi" "χ")
 208     ("acutex" "\\acute x" t "&acute;x" "'x" "'x" "𝑥́")
 209     ("Psi" "\\Psi" t "&Psi;" "Psi" "Psi" "Ψ")
 210     ("psi" "\\psi" t "&psi;" "psi" "psi" "ψ")
 211     ("tau" "\\tau" t "&tau;" "tau" "tau" "τ")
 212     ("Omega" "\\Omega" t "&Omega;" "Omega" "Omega" "Ω")
 213     ("omega" "\\omega" t "&omega;" "omega" "omega" "ω")
 214     ("piv" "\\varpi" t "&piv;" "omega-pi" "omega-pi" "ϖ")
 215     ("partial" "\\partial" t "&part;" "[partial differential]" "[partial differential]" "∂")
 216
 217     "** Hebrew"
 218     ("alefsym" "\\aleph" t "&alefsym;" "aleph" "aleph" "ℵ")
 219
 220     "** Dead languages"
 221     ("ETH" "\\DH{}" nil "&ETH;" "D" "Ð" "Ð")
 222     ("eth" "\\dh{}" nil "&eth;" "dh" "ð" "ð")
 223     ("THORN" "\\TH{}" nil "&THORN;" "TH" "Þ" "Þ")
 224     ("thorn" "\\th{}" nil "&thorn;" "th" "þ" "þ")
 225
 226     "* Punctuation"
 227     "** Dots and Marks"
 228     ("dots" "\\dots{}" nil "&hellip;" "..." "..." "…")
 229     ("hellip" "\\dots{}" nil "&hellip;" "..." "..." "…")
 230     ("middot" "\\textperiodcentered{}" nil "&middot;" "." "·" "·")
 231     ("iexcl" "!`" nil "&iexcl;" "!" "¡" "¡")
 232     ("iquest" "?`" nil "&iquest;" "?" "¿" "¿")
 233
 234     "** Dash-like"
 235     ("shy" "\\-" nil "&shy;" "" "" "")
 236     ("ndash" "--" nil "&ndash;" "-" "-" "–")
 237     ("mdash" "---" nil "&mdash;" "--" "--" "—")
 238
 239     "** Quotations"
 240     ("quot" "\\textquotedbl{}" nil "&quot;" "\"" "\"" "\"")
 241     ("acute" "\\textasciiacute{}" nil "&acute;" "'" "´" "´")
 242     ("ldquo" "\\textquotedblleft{}" nil "&ldquo;" "\"" "\"" "“")
 243     ("rdquo" "\\textquotedblright{}" nil "&rdquo;" "\"" "\"" "”")
 244     ("bdquo" "\\quotedblbase{}" nil "&bdquo;" "\"" "\"" "„")
 245     ("lsquo" "\\textquoteleft{}" nil "&lsquo;" "`" "`" "‘")
 246     ("rsquo" "\\textquoteright{}" nil "&rsquo;" "'" "'" "’")
 247     ("sbquo" "\\quotesinglbase{}" nil "&sbquo;" "," "," "‚")
 248     ("laquo" "\\guillemotleft{}" nil "&laquo;" "<<" "«" "«")
 249     ("raquo" "\\guillemotright{}" nil "&raquo;" ">>" "»" "»")
 250     ("lsaquo" "\\guilsinglleft{}" nil "&lsaquo;" "<" "<" "‹")
 251     ("rsaquo" "\\guilsinglright{}" nil "&rsaquo;" ">" ">" "›")
 252
 253     "* Other"
 254     "** Misc. (often used)"
 255     ("circ" "\\^{}" nil "&circ;" "^" "^" "ˆ")
 256     ("vert" "\\vert{}" t "&#124;" "|" "|" "|")
 257     ("brvbar" "\\textbrokenbar{}" nil "&brvbar;" "|" "¦" "¦")
 258     ("sect" "\\S" nil "&sect;" "paragraph" "§" "§")
 259     ("amp" "\\&" nil "&amp;" "&" "&" "&")
 260     ("lt" "\\textless{}" nil "&lt;" "<" "<" "<")
 261     ("gt" "\\textgreater{}" nil "&gt;" ">" ">" ">")
 262     ("tilde" "\\~{}" nil "&tilde;" "~" "~" "~")
 263     ("slash" "/" nil "/" "/" "/" "/")
 264     ("plus" "+" nil "+" "+" "+" "+")
 265     ("under" "\\_" nil "_" "_" "_" "_")
 266     ("equal" "=" nil "=" "=" "=" "=")
 267     ("asciicirc" "\\textasciicircum{}" nil "^" "^" "^" "^")
 268     ("dagger" "\\textdagger{}" nil "&dagger;" "[dagger]" "[dagger]" "†")
 269     ("Dagger" "\\textdaggerdbl{}" nil "&Dagger;" "[doubledagger]" "[doubledagger]" "‡")
 270
 271     "** Whitespace"
 272     ("nbsp" "~" nil "&nbsp;" " " " " " ")
 273     ("ensp" "\\hspace*{.5em}" nil "&ensp;" " " " " " ")
 274     ("emsp" "\\hspace*{1em}" nil "&emsp;" " " " " " ")
 275     ("thinsp" "\\hspace*{.2em}" nil "&thinsp;" " " " " " ")
 276
 277     "** Currency"
 278     ("curren" "\\textcurrency{}" nil "&curren;" "curr." "¤" "¤")
 279     ("cent" "\\textcent{}" nil "&cent;" "cent" "¢" "¢")
 280     ("pound" "\\pounds{}" nil "&pound;" "pound" "£" "£")
 281     ("yen" "\\textyen{}" nil "&yen;" "yen" "¥" "¥")
 282     ("euro" "\\texteuro{}" nil "&euro;" "EUR" "EUR" "€")
 283     ("EUR" "\\EUR{}" nil "&euro;" "EUR" "EUR" "€")
 284     ("EURdig" "\\EURdig{}" nil "&euro;" "EUR" "EUR" "€")
 285     ("EURhv" "\\EURhv{}" nil "&euro;" "EUR" "EUR" "€")
 286     ("EURcr" "\\EURcr{}" nil "&euro;" "EUR" "EUR" "€")
 287     ("EURtm" "\\EURtm{}" nil "&euro;" "EUR" "EUR" "€")
 288
 289     "** Property Marks"
 290     ("copy" "\\textcopyright{}" nil "&copy;" "(c)" "©" "©")
 291     ("reg" "\\textregistered{}" nil "&reg;" "(r)" "®" "®")
 292     ("trade" "\\texttrademark{}" nil "&trade;" "TM" "TM" "™")
 293
 294     "** Science et al."
 295     ("minus" "\\minus" t "&minus;" "-" "-" "−")
 296     ("pm" "\\textpm{}" nil "&plusmn;" "+-" "±" "±")
 297     ("plusmn" "\\textpm{}" nil "&plusmn;" "+-" "±" "±")
 298     ("times" "\\texttimes{}" nil "&times;" "*" "×" "×")
 299     ("frasl" "/" nil "&frasl;" "/" "/" "⁄")
 300     ("div" "\\textdiv{}" nil "&divide;" "/" "÷" "÷")
 301     ("frac12" "\\textonehalf{}" nil "&frac12;" "1/2" "½" "½")
 302     ("frac14" "\\textonequarter{}" nil "&frac14;" "1/4" "¼" "¼")
 303     ("frac34" "\\textthreequarters{}" nil "&frac34;" "3/4" "¾" "¾")
 304     ("permil" "\\textperthousand{}" nil "&permil;" "per thousand" "per thousand" "‰")
 305     ("sup1" "\\textonesuperior{}" nil "&sup1;" "^1" "¹" "¹")
 306     ("sup2" "\\texttwosuperior{}" nil "&sup2;" "^2" "²" "²")
 307     ("sup3" "\\textthreesuperior{}" nil "&sup3;" "^3" "³" "³")
 308     ("radic" "\\sqrt{\\,}" t "&radic;" "[square root]" "[square root]" "√")
 309     ("sum" "\\sum" t "&sum;" "[sum]" "[sum]" "∑")
 310     ("prod" "\\prod" t "&prod;" "[product]" "[n-ary product]" "∏")
 311     ("micro" "\\textmu{}" nil "&micro;" "micro" "µ" "µ")
 312     ("macr" "\\textasciimacron{}" nil "&macr;" "[macron]" "¯" "¯")
 313     ("deg" "\\textdegree{}" nil "&deg;" "degree" "°" "°")
 314     ("prime" "\\prime" t "&prime;" "'" "'" "′")
 315     ("Prime" "\\prime{}\\prime" t "&Prime;" "''" "''" "″")
 316     ("infin" "\\propto" t "&infin;" "[infinity]" "[infinity]" "∞")
 317     ("infty" "\\infty" t "&infin;" "[infinity]" "[infinity]" "∞")
 318     ("prop" "\\propto" t "&prop;" "[proportional to]" "[proportional to]" "∝")
 319     ("proptp" "\\propto" t "&prop;" "[proportional to]" "[proportional to]" "∝")
 320     ("not" "\\textlnot{}" nil "&not;" "[angled dash]" "¬" "¬")
 321     ("land" "\\land" t "&and;" "[logical and]" "[logical and]" "∧")
 322     ("wedge" "\\wedge" t "&and;" "[logical and]" "[logical and]" "∧")
 323     ("lor" "\\lor" t "&or;" "[logical or]" "[logical or]" "∨")
 324     ("vee" "\\vee" t "&or;" "[logical or]" "[logical or]" "∨")
 325     ("cap" "\\cap" t "&cap;" "[intersection]" "[intersection]" "∩")
 326     ("cup" "\\cup" t "&cup;" "[union]" "[union]" "∪")
 327     ("int" "\\int" t "&int;" "[integral]" "[integral]" "∫")
 328     ("there4" "\\therefore" t "&there4;" "[therefore]" "[therefore]" "∴")
 329     ("sim" "\\sim" t "&sim;" "~" "~" "∼")
 330     ("cong" "\\cong" t "&cong;" "[approx. equal to]" "[approx. equal to]" "≅")
 331     ("simeq" "\\simeq" t "&cong;"  "[approx. equal to]" "[approx. equal to]" "≅")
 332     ("asymp" "\\asymp" t "&asymp;" "[almost equal to]" "[almost equal to]" "≈")
 333     ("approx" "\\approx" t "&asymp;" "[almost equal to]" "[almost equal to]" "≈")
 334     ("ne" "\\ne" t "&ne;" "[not equal to]" "[not equal to]" "≠")
 335     ("neq" "\\neq" t "&ne;" "[not equal to]" "[not equal to]" "≠")
 336     ("equiv" "\\equiv" t "&equiv;" "[identical to]" "[identical to]" "≡")
 337     ("le" "\\le" t "&le;" "<=" "<=" "≤")
 338     ("ge" "\\ge" t "&ge;" ">=" ">=" "≥")
 339     ("sub" "\\subset" t "&sub;" "[subset of]" "[subset of]" "⊂")
 340     ("subset" "\\subset" t "&sub;" "[subset of]" "[subset of]" "⊂")
 341     ("sup" "\\supset" t "&sup;" "[superset of]" "[superset of]" "⊃")
 342     ("supset" "\\supset" t "&sup;" "[superset of]" "[superset of]" "⊃")
 343     ("nsub" "\\not\\subset" t "&nsub;" "[not a subset of]" "[not a subset of" "⊄")
 344     ("sube" "\\subseteq" t "&sube;" "[subset of or equal to]" "[subset of or equal to]" "⊆")
 345     ("nsup" "\\not\\supset" t "&nsup;" "[not a superset of]" "[not a superset of]" "⊅")
 346     ("supe" "\\supseteq" t "&supe;" "[superset of or equal to]" "[superset of or equal to]" "⊇")
 347     ("forall" "\\forall" t "&forall;" "[for all]" "[for all]" "∀")
 348     ("exist" "\\exists" t "&exist;" "[there exists]" "[there exists]" "∃")
 349     ("exists" "\\exists" t "&exist;" "[there exists]" "[there exists]" "∃")
 350     ("empty" "\\empty" t "&empty;" "[empty set]" "[empty set]" "∅")
 351     ("emptyset" "\\emptyset" t "&empty;" "[empty set]" "[empty set]" "∅")
 352     ("isin" "\\in" t "&isin;" "[element of]" "[element of]" "∈")
 353     ("in" "\\in" t "&isin;" "[element of]" "[element of]" "∈")
 354     ("notin" "\\notin" t "&notin;" "[not an element of]" "[not an element of]" "∉")
 355     ("ni" "\\ni" t "&ni;" "[contains as member]" "[contains as member]" "∋")
 356     ("nabla" "\\nabla" t "&nabla;" "[nabla]" "[nabla]" "∇")
 357     ("ang" "\\angle" t "&ang;" "[angle]" "[angle]" "∠")
 358     ("angle" "\\angle" t "&ang;" "[angle]" "[angle]" "∠")
 359     ("perp" "\\perp" t "&perp;" "[up tack]" "[up tack]" "⊥")
 360     ("sdot" "\\cdot" t "&sdot;" "[dot]" "[dot]" "⋅")
 361     ("cdot" "\\cdot" t "&sdot;" "[dot]" "[dot]" "⋅")
 362     ("lceil" "\\lceil" t "&lceil;" "[left ceiling]" "[left ceiling]" "⌈")
 363     ("rceil" "\\rceil" t "&rceil;" "[right ceiling]" "[right ceiling]" "⌉")
 364     ("lfloor" "\\lfloor" t "&lfloor;" "[left floor]" "[left floor]" "⌊")
 365     ("rfloor" "\\rfloor" t "&rfloor;" "[right floor]" "[right floor]" "⌋")
 366     ("lang" "\\langle" t "&lang;" "<" "<" "⟨")
 367     ("rang" "\\rangle" t "&rang;" ">" ">" "⟩")
 368
 369     "** Arrows"
 370     ("larr" "\\leftarrow" t "&larr;" "<-" "<-" "←")
 371     ("leftarrow" "\\leftarrow" t "&larr;"  "<-" "<-" "←")
 372     ("gets" "\\gets" t "&larr;"  "<-" "<-" "←")
 373     ("lArr" "\\Leftarrow" t "&lArr;" "<=" "<=" "⇐")
 374     ("Leftarrow" "\\Leftarrow" t "&lArr;" "<=" "<=" "⇐")
 375     ("uarr" "\\uparrow" t "&uarr;" "[uparrow]" "[uparrow]" "↑")
 376     ("uparrow" "\\uparrow" t "&uarr;" "[uparrow]" "[uparrow]" "↑")
 377     ("uArr" "\\Uparrow" t "&uArr;" "[dbluparrow]" "[dbluparrow]" "⇑")
 378     ("Uparrow" "\\Uparrow" t "&uArr;" "[dbluparrow]" "[dbluparrow]" "⇑")
 379     ("rarr" "\\rightarrow" t "&rarr;" "->" "->" "→")
 380     ("to" "\\to" t "&rarr;" "->" "->" "→")
 381     ("rightarrow" "\\rightarrow" t "&rarr;"  "->" "->" "→")
 382     ("rArr" "\\Rightarrow" t "&rArr;" "=>" "=>" "⇒")
 383     ("Rightarrow" "\\Rightarrow" t "&rArr;" "=>" "=>" "⇒")
 384     ("darr" "\\downarrow" t "&darr;" "[downarrow]" "[downarrow]" "↓")
 385     ("downarrow" "\\downarrow" t "&darr;" "[downarrow]" "[downarrow]" "↓")
 386     ("dArr" "\\Downarrow" t "&dArr;" "[dbldownarrow]" "[dbldownarrow]" "⇓")
 387     ("Downarrow" "\\Downarrow" t "&dArr;" "[dbldownarrow]" "[dbldownarrow]" "⇓")
 388     ("harr" "\\leftrightarrow" t "&harr;" "<->" "<->" "↔")
 389     ("leftrightarrow" "\\leftrightarrow" t "&harr;"  "<->" "<->" "↔")
 390     ("hArr" "\\Leftrightarrow" t "&hArr;" "<=>" "<=>" "⇔")
 391     ("Leftrightarrow" "\\Leftrightarrow" t "&hArr;" "<=>" "<=>" "⇔")
 392     ("crarr" "\\hookleftarrow" t "&crarr;" "<-'" "<-'" "↵")
 393     ("hookleftarrow" "\\hookleftarrow" t "&crarr;"  "<-'" "<-'" "↵")
 394
 395     "** Function names"
 396     ("arccos" "\\arccos" t "arccos" "arccos" "arccos" "arccos")
 397     ("arcsin" "\\arcsin" t "arcsin" "arcsin" "arcsin" "arcsin")
 398     ("arctan" "\\arctan" t "arctan" "arctan" "arctan" "arctan")
 399     ("arg" "\\arg" t "arg" "arg" "arg" "arg")
 400     ("cos" "\\cos" t "cos" "cos" "cos" "cos")
 401     ("cosh" "\\cosh" t "cosh" "cosh" "cosh" "cosh")
 402     ("cot" "\\cot" t "cot" "cot" "cot" "cot")
 403     ("coth" "\\coth" t "coth" "coth" "coth" "coth")
 404     ("csc" "\\csc" t "csc" "csc" "csc" "csc")
 405     ("deg" "\\deg" t "&deg;" "deg" "deg" "deg")
 406     ("det" "\\det" t "det" "det" "det" "det")
 407     ("dim" "\\dim" t "dim" "dim" "dim" "dim")
 408     ("exp" "\\exp" t "exp" "exp" "exp" "exp")
 409     ("gcd" "\\gcd" t "gcd" "gcd" "gcd" "gcd")
 410     ("hom" "\\hom" t "hom" "hom" "hom" "hom")
 411     ("inf" "\\inf" t "inf" "inf" "inf" "inf")
 412     ("ker" "\\ker" t "ker" "ker" "ker" "ker")
 413     ("lg" "\\lg" t "lg" "lg" "lg" "lg")
 414     ("lim" "\\lim" t "lim" "lim" "lim" "lim")
 415     ("liminf" "\\liminf" t "liminf" "liminf" "liminf" "liminf")
 416     ("limsup" "\\limsup" t "limsup" "limsup" "limsup" "limsup")
 417     ("ln" "\\ln" t "ln" "ln" "ln" "ln")
 418     ("log" "\\log" t "log" "log" "log" "log")
 419     ("max" "\\max" t "max" "max" "max" "max")
 420     ("min" "\\min" t "min" "min" "min" "min")
 421     ("Pr" "\\Pr" t "Pr" "Pr" "Pr" "Pr")
 422     ("sec" "\\sec" t "sec" "sec" "sec" "sec")
 423     ("sin" "\\sin" t "sin" "sin" "sin" "sin")
 424     ("sinh" "\\sinh" t "sinh" "sinh" "sinh" "sinh")
 425     ("sup" "\\sup" t "&sup;" "sup" "sup" "sup")
 426     ("tan" "\\tan" t "tan" "tan" "tan" "tan")
 427     ("tanh" "\\tanh" t "tanh" "tanh" "tanh" "tanh")
 428
 429     "** Signs & Symbols"
 430     ("bull" "\\textbullet{}" nil "&bull;" "*" "*" "•")
 431     ("bullet" "\\textbullet{}" nil "&bull;" "*" "*" "•")
 432     ("star" "\\star" t "*" "*" "*" "⋆")
 433     ("lowast" "\\ast" t "&lowast;" "*" "*" "∗")
 434     ("ast" "\\ast" t "&lowast;" "*" "*" "*")
 435     ("odot" "\\odot" t "o" "[circled dot]" "[circled dot]" "ʘ")
 436     ("oplus" "\\oplus" t "&oplus;" "[circled plus]" "[circled plus]" "⊕")
 437     ("otimes" "\\otimes" t "&otimes;" "[circled times]" "[circled times]" "⊗")
 438     ("checkmark" "\\checkmark" t "&#10003;" "[checkmark]" "[checkmark]" "✓")
 439
 440     "** Miscellaneous (seldom used)"
 441     ("para" "\\P{}" nil "&para;" "[pilcrow]" "¶" "¶")
 442     ("ordf" "\\textordfeminine{}" nil "&ordf;" "_a_" "ª" "ª")
 443     ("ordm" "\\textordmasculine{}" nil "&ordm;" "_o_" "º" "º")
 444     ("cedil" "\\c{}" nil "&cedil;" "[cedilla]" "¸" "¸")
 445     ("oline" "\\overline{~}" t "&oline;" "[overline]" "¯" "‾")
 446     ("uml" "\\textasciidieresis{}" nil "&uml;" "[diaeresis]" "¨" "¨")
 447     ("zwnj" "\\/{}" nil "&zwnj;" "" "" "‌")
 448     ("zwj" "" nil "&zwj;" "" "" "‍")
 449     ("lrm" "" nil "&lrm;" "" "" "‎")
 450     ("rlm" "" nil "&rlm;" "" "" "‏")
 451
 452     "** Smilies"
 453     ("smile" "\\smile" t "&#9786;" ":-)" ":-)" "⌣")
 454     ("smiley" "\\smiley{}" nil "&#9786;" ":-)" ":-)" "☺")
 455     ("blacksmile" "\\blacksmiley{}" nil "&#9787;" ":-)" ":-)" "☻")
 456     ("sad" "\\frownie{}" nil "&#9785;" ":-(" ":-(" "☹")
 457
 458     "** Suits"
 459     ("clubs" "\\clubsuit" t "&clubs;" "[clubs]" "[clubs]" "♣")
 460     ("clubsuit" "\\clubsuit" t "&clubs;" "[clubs]" "[clubs]" "♣")
 461     ("spades" "\\spadesuit" t "&spades;" "[spades]" "[spades]" "♠")
 462     ("spadesuit" "\\spadesuit" t "&spades;" "[spades]" "[spades]" "♠")
 463     ("hearts" "\\heartsuit" t "&hearts;" "[hearts]" "[hearts]" "♥")
 464     ("heartsuit" "\\heartsuit" t "&heartsuit;" "[hearts]" "[hearts]" "♥")
 465     ("diams" "\\diamondsuit" t "&diams;" "[diamonds]" "[diamonds]" "♦")
 466     ("diamondsuit" "\\diamondsuit" t "&diams;" "[diamonds]" "[diamonds]" "♦")
 467     ("Diamond" "\\diamond" t "&diamond;" "[diamond]" "[diamond]" "⋄")
 468     ("loz" "\\diamond" t "&loz;" "[lozenge]" "[lozenge]" "◊")
 469     )
 470   "Default entities used in Org-mode to produce special characters.
 471 For details see `org-entities-user'.")
 472
 473 (defsubst org-entity-get (name)
 474   "Get the proper association for NAME from the entity lists.
 475 This first checks the user list, then the built-in list."
 476   (or (assoc name org-entities-user)
 477       (assoc name org-entities)))
 478
 479 (defun org-entity-get-representation (name kind)
 480   "Get the correct representation of entity NAME for export type KIND.
 481 Kind can be any of `latex', `html', `ascii', `latin1', or `utf8'."
 482   (let* ((e (org-entity-get name))
 483          (n (cdr (assq kind '((latex . 1) (html . 3) (ascii . 4)
 484                               (latin1 . 5) (utf8 . 6)))))
 485          (r (and e n (nth n e))))
 486     (if (and e r
 487              (not org-entities-ascii-explanatory)
 488              (memq kind '(ascii latin1 utf8))
 489              (= (string-to-char r) ?\[))
 490         (concat "\\" name)
 491       r)))
 492
 493 (defsubst org-entity-latex-math-p (name)
 494   "Does entity NAME require math mode in LaTeX?"
 495   (nth 2 (org-entity-get name)))
 496
 497 ;; Helpfunctions to create a table for orgmode.org/worg/org-symbols.org
 498
 499 (defun org-entities-create-table ()
 500   "Create an Org mode table with all entities."
 501   (interactive)
 502   (let ((pos (point)) e latex mathp html latin utf8 name ascii)
 503     (insert "|Name|LaTeX code|LaTeX|HTML code |HTML|ASCII|Latin1|UTF-8\n|-\n")
 504     (mapc (lambda (e) (when (listp e)
 505                         (setq name (car e)
 506                               latex (nth 1 e)
 507                               mathp (nth 2 e)
 508                               html (nth 3 e)
 509                               ascii (nth 4 e)
 510                               latin (nth 5 e)
 511                               utf8 (nth 6 e))
 512                         (if (equal ascii "|") (setq ascii "\\vert"))
 513                         (if (equal latin "|") (setq latin "\\vert"))
 514                         (if (equal utf8  "|") (setq utf8  "\\vert"))
 515                         (if (equal ascii "=>") (setq ascii "= >"))
 516                         (if (equal latin "=>") (setq latin "= >"))
 517                         (insert "|" name
 518                                 "|" (format "=%s=" latex)
 519                                 "|" (format (if mathp "$%s$" "$\\mbox{%s}$")
 520                                             latex)
 521                                 "|" (format "=%s=" html) "|" html
 522                                 "|" ascii "|" latin "|" utf8
 523                                 "|\n")))
 524           org-entities)
 525     (goto-char pos)
 526     (org-table-align)))
 527
 528 (defun org-entities-help ()
 529   "Create a Help buffer with all available entities."
 530   (interactive)
 531   (with-output-to-temp-buffer "*Org Entity Help*"
 532     (princ "Org-mode entities\n=================\n\n")
 533     (let ((ll (append '("* User-defined additions (variable org-entities-user)")
 534                       org-entities-user
 535                       org-entities))
 536           e latex mathp html latin utf8 name ascii
 537           (lastwasstring t)
 538           (head (concat
 539                  "\n"
 540                  "   Symbol   Org entity        LaTeX code             HTML code\n"
 541                  "   -----------------------------------------------------------\n")))
 542       (while ll
 543         (setq e (pop ll))
 544         (if (stringp e)
 545             (progn
 546               (princ e)
 547               (princ "\n")
 548               (setq lastwasstring t))
 549           (if lastwasstring (princ head))
 550           (setq lastwasstring nil)
 551           (setq name (car e)
 552                 latex (nth 1 e)
 553                 html (nth 3 e)
 554                 utf8 (nth 6 e))
 555           (princ (format "   %-8s \\%-16s %-22s %-13s\n"
 556                          utf8 name latex html))))))
 557   (with-current-buffer "*Org Entity Help*"
 558     (org-mode))
 559   (select-window (get-buffer-window "*Org Entity Help*")))
 560
 561
 562 (defun replace-amp ()
 563   "Postprocess HTML file to unescape the ampersand."
 564   (interactive)
 565   (while (re-search-forward "<td>&amp;\\([^<;]+;\\)" nil t)
 566     (replace-match (concat "<td>&" (match-string 1)) t t)))
 567
 568 (provide 'org-entities)
 569
 570 ;; Local variables:
 571 ;; coding: utf-8
 572 ;; End:
 573
 574 ;;; org-entities.el ends here