1 <!ENTITY % inline "#PCDATA | emph | strong | code | remark | sub | sup | label | ref | page | reference | index | newline | newpage | LaTeX">
3 <!ENTITY % block "para | quote | itemize | enumerate | description | verbatim | footnote | picture | include | table">
5 <!ELEMENT doc (book | article | report)>
8 latexoptions CDATA "a4paper"
11 <!ELEMENT book (titlepage?, toc?, (chapter|include)*)>
12 <!ELEMENT article (titlepage?, toc?, (section|include)*)>
13 <!ELEMENT report (titlepage?, toc?, (chapter|include)*)>
15 <!ELEMENT titlepage (title, subtitle*, author+, date?, docinfo?, abstract?)>
17 <!ELEMENT title (%inline;)*>
18 <!ELEMENT subtitle (%inline;)*>
19 <!ELEMENT author (%inline;)*>
20 <!ELEMENT date (%inline;)*>
21 <!ELEMENT docinfo (infoitem)+>
22 <!ELEMENT infoitem (%inline;)*>
27 <!ELEMENT abstract (%inline;)*>
31 <!-- Document structure: chapters and sections -->
33 <!ELEMENT chapter (heading, (%block;)*, section*)>
34 <!ELEMENT section (heading, (%block;)*, subsection*)>
35 <!ELEMENT subsection (heading, (%block;)*, subsubsection*)>
36 <!ELEMENT subsubsection (heading, (%block;)*, paragraph*)>
37 <!ELEMENT paragraph (heading, (%block;)*, subparagraph*)>
38 <!ELEMENT subparagraph (heading, (%block;)*)>
39 <!ELEMENT heading (%inline;)*>
41 <!-- Block level content -->
43 <!ELEMENT para (%inline;|%block;)*>
44 <!ELEMENT quote (%inline;|%block;)*>
45 <!ELEMENT itemize (item)*>
46 <!ELEMENT enumerate (item)*>
47 <!ELEMENT description (item)*>
48 <!ELEMENT item (%inline;|%block;)*>
52 <!ELEMENT verbatim (#PCDATA)>
53 <!ELEMENT footnote (%inline;)*>
55 <!-- Inline content: type styles -->
57 <!ELEMENT emph (%inline;)*>
58 <!ELEMENT strong (%inline;)*>
59 <!ELEMENT code (%inline;)*>
60 <!ELEMENT remark (%inline;)*>
61 <!ELEMENT sub (%inline;)*>
62 <!ELEMENT sup (%inline;)*>
64 <!ELEMENT newline EMPTY>
65 <!ELEMENT newpage EMPTY>
67 <!-- Internal and external references -->
69 <!ELEMENT label EMPTY>
74 <!ELEMENT index (#PCDATA)>
76 <!ELEMENT ref (%inline;)*>
81 <!ELEMENT page (%inline;)*>
86 <!ELEMENT reference (%inline;)*>
89 xml:link CDATA #IMPLIED
94 <!ELEMENT table (thead?,row)+>
96 <!ELEMENT thead (col)+>
97 <!ELEMENT col (%inline;|%block;)*>
103 <!ELEMENT picture EMPTY>
110 <!ELEMENT include EMPTY>
115 <!ELEMENT LaTeX EMPTY>
117 command CDATA #REQUIRED
123 The entities define most of the well known unicode characters
127 <!ENTITY nbsp " "> <!-- no-break space = non-breaking space,
129 <!ENTITY iexcl "¡"> <!-- inverted exclamation mark, U+00A1 ISOnum -->
130 <!ENTITY cent "¢"> <!-- cent sign, U+00A2 ISOnum -->
131 <!ENTITY pound "£"> <!-- pound sign, U+00A3 ISOnum -->
132 <!ENTITY curren "¤"> <!-- currency sign, U+00A4 ISOnum -->
133 <!ENTITY yen "¥"> <!-- yen sign = yuan sign, U+00A5 ISOnum -->
134 <!ENTITY brvbar "¦"> <!-- broken bar = broken vertical bar,
136 <!ENTITY sect "§"> <!-- section sign, U+00A7 ISOnum -->
137 <!ENTITY uml "¨"> <!-- diaeresis = spacing diaeresis,
139 <!ENTITY copy "©"> <!-- copyright sign, U+00A9 ISOnum -->
140 <!ENTITY ordf "ª"> <!-- feminine ordinal indicator, U+00AA ISOnum -->
141 <!ENTITY laquo "«"> <!-- left-pointing double angle quotation mark
142 = left pointing guillemet, U+00AB ISOnum -->
143 <!ENTITY not "¬"> <!-- not sign, U+00AC ISOnum -->
144 <!ENTITY shy "­"> <!-- soft hyphen = discretionary hyphen,
146 <!ENTITY reg "®"> <!-- registered sign = registered trade mark sign,
148 <!ENTITY macr "¯"> <!-- macron = spacing macron = overline
149 = APL overbar, U+00AF ISOdia -->
150 <!ENTITY deg "°"> <!-- degree sign, U+00B0 ISOnum -->
151 <!ENTITY plusmn "±"> <!-- plus-minus sign = plus-or-minus sign,
153 <!ENTITY sup2 "²"> <!-- superscript two = superscript digit two
154 = squared, U+00B2 ISOnum -->
155 <!ENTITY sup3 "³"> <!-- superscript three = superscript digit three
156 = cubed, U+00B3 ISOnum -->
157 <!ENTITY acute "´"> <!-- acute accent = spacing acute,
159 <!ENTITY micro "µ"> <!-- micro sign, U+00B5 ISOnum -->
160 <!ENTITY para "¶"> <!-- pilcrow sign = paragraph sign,
162 <!ENTITY middot "·"> <!-- middle dot = Georgian comma
163 = Greek middle dot, U+00B7 ISOnum -->
164 <!ENTITY cedil "¸"> <!-- cedilla = spacing cedilla, U+00B8 ISOdia -->
165 <!ENTITY sup1 "¹"> <!-- superscript one = superscript digit one,
167 <!ENTITY ordm "º"> <!-- masculine ordinal indicator,
169 <!ENTITY raquo "»"> <!-- right-pointing double angle quotation mark
170 = right pointing guillemet, U+00BB ISOnum -->
171 <!ENTITY frac14 "¼"> <!-- vulgar fraction one quarter
172 = fraction one quarter, U+00BC ISOnum -->
173 <!ENTITY frac12 "½"> <!-- vulgar fraction one half
174 = fraction one half, U+00BD ISOnum -->
175 <!ENTITY frac34 "¾"> <!-- vulgar fraction three quarters
176 = fraction three quarters, U+00BE ISOnum -->
177 <!ENTITY iquest "¿"> <!-- inverted question mark
178 = turned question mark, U+00BF ISOnum -->
179 <!ENTITY Agrave "À"> <!-- latin capital letter A with grave
180 = latin capital letter A grave,
182 <!ENTITY Aacute "Á"> <!-- latin capital letter A with acute,
184 <!ENTITY Acirc "Â"> <!-- latin capital letter A with circumflex,
186 <!ENTITY Atilde "Ã"> <!-- latin capital letter A with tilde,
188 <!ENTITY Auml "Ä"> <!-- latin capital letter A with diaeresis,
190 <!ENTITY Aring "Å"> <!-- latin capital letter A with ring above
191 = latin capital letter A ring,
193 <!ENTITY AElig "Æ"> <!-- latin capital letter AE
194 = latin capital ligature AE,
196 <!ENTITY Ccedil "Ç"> <!-- latin capital letter C with cedilla,
198 <!ENTITY Egrave "È"> <!-- latin capital letter E with grave,
200 <!ENTITY Eacute "É"> <!-- latin capital letter E with acute,
202 <!ENTITY Ecirc "Ê"> <!-- latin capital letter E with circumflex,
204 <!ENTITY Euml "Ë"> <!-- latin capital letter E with diaeresis,
206 <!ENTITY Igrave "Ì"> <!-- latin capital letter I with grave,
208 <!ENTITY Iacute "Í"> <!-- latin capital letter I with acute,
210 <!ENTITY Icirc "Î"> <!-- latin capital letter I with circumflex,
212 <!ENTITY Iuml "Ï"> <!-- latin capital letter I with diaeresis,
214 <!ENTITY ETH "Ð"> <!-- latin capital letter ETH, U+00D0 ISOlat1 -->
215 <!ENTITY Ntilde "Ñ"> <!-- latin capital letter N with tilde,
217 <!ENTITY Ograve "Ò"> <!-- latin capital letter O with grave,
219 <!ENTITY Oacute "Ó"> <!-- latin capital letter O with acute,
221 <!ENTITY Ocirc "Ô"> <!-- latin capital letter O with circumflex,
223 <!ENTITY Otilde "Õ"> <!-- latin capital letter O with tilde,
225 <!ENTITY Ouml "Ö"> <!-- latin capital letter O with diaeresis,
227 <!ENTITY times "×"> <!-- multiplication sign, U+00D7 ISOnum -->
228 <!ENTITY Oslash "Ø"> <!-- latin capital letter O with stroke
229 = latin capital letter O slash,
231 <!ENTITY Ugrave "Ù"> <!-- latin capital letter U with grave,
233 <!ENTITY Uacute "Ú"> <!-- latin capital letter U with acute,
235 <!ENTITY Ucirc "Û"> <!-- latin capital letter U with circumflex,
237 <!ENTITY Uuml "Ü"> <!-- latin capital letter U with diaeresis,
239 <!ENTITY Yacute "Ý"> <!-- latin capital letter Y with acute,
241 <!ENTITY THORN "Þ"> <!-- latin capital letter THORN,
243 <!ENTITY szlig "ß"> <!-- latin small letter sharp s = ess-zed,
245 <!ENTITY agrave "à"> <!-- latin small letter a with grave
246 = latin small letter a grave,
248 <!ENTITY aacute "á"> <!-- latin small letter a with acute,
250 <!ENTITY acirc "â"> <!-- latin small letter a with circumflex,
252 <!ENTITY atilde "ã"> <!-- latin small letter a with tilde,
254 <!ENTITY auml "ä"> <!-- latin small letter a with diaeresis,
256 <!ENTITY aring "å"> <!-- latin small letter a with ring above
257 = latin small letter a ring,
259 <!ENTITY aelig "æ"> <!-- latin small letter ae
260 = latin small ligature ae, U+00E6 ISOlat1 -->
261 <!ENTITY ccedil "ç"> <!-- latin small letter c with cedilla,
263 <!ENTITY egrave "è"> <!-- latin small letter e with grave,
265 <!ENTITY eacute "é"> <!-- latin small letter e with acute,
267 <!ENTITY ecirc "ê"> <!-- latin small letter e with circumflex,
269 <!ENTITY euml "ë"> <!-- latin small letter e with diaeresis,
271 <!ENTITY igrave "ì"> <!-- latin small letter i with grave,
273 <!ENTITY iacute "í"> <!-- latin small letter i with acute,
275 <!ENTITY icirc "î"> <!-- latin small letter i with circumflex,
277 <!ENTITY iuml "ï"> <!-- latin small letter i with diaeresis,
279 <!ENTITY eth "ð"> <!-- latin small letter eth, U+00F0 ISOlat1 -->
280 <!ENTITY ntilde "ñ"> <!-- latin small letter n with tilde,
282 <!ENTITY ograve "ò"> <!-- latin small letter o with grave,
284 <!ENTITY oacute "ó"> <!-- latin small letter o with acute,
286 <!ENTITY ocirc "ô"> <!-- latin small letter o with circumflex,
288 <!ENTITY otilde "õ"> <!-- latin small letter o with tilde,
290 <!ENTITY ouml "ö"> <!-- latin small letter o with diaeresis,
292 <!ENTITY divide "÷"> <!-- division sign, U+00F7 ISOnum -->
293 <!ENTITY oslash "ø"> <!-- latin small letter o with stroke,
294 = latin small letter o slash,
296 <!ENTITY ugrave "ù"> <!-- latin small letter u with grave,
298 <!ENTITY uacute "ú"> <!-- latin small letter u with acute,
300 <!ENTITY ucirc "û"> <!-- latin small letter u with circumflex,
302 <!ENTITY uuml "ü"> <!-- latin small letter u with diaeresis,
304 <!ENTITY yacute "ý"> <!-- latin small letter y with acute,
306 <!ENTITY thorn "þ"> <!-- latin small letter thorn with,
308 <!ENTITY yuml "ÿ"> <!-- latin small letter y with diaeresis,
311 <!-- Latin Extended-A -->
312 <!ENTITY OElig "Œ"> <!-- latin capital ligature OE,
314 <!ENTITY oelig "œ"> <!-- latin small ligature oe, U+0153 ISOlat2 -->
315 <!-- ligature is a misnomer, this is a separate character in some languages -->
316 <!ENTITY Scaron "Š"> <!-- latin capital letter S with caron,
318 <!ENTITY scaron "š"> <!-- latin small letter s with caron,
320 <!ENTITY Yuml "Ÿ"> <!-- latin capital letter Y with diaeresis,
324 <!ENTITY Alpha "Α"> <!-- greek capital letter alpha, U+0391 -->
325 <!ENTITY Beta "Β"> <!-- greek capital letter beta, U+0392 -->
326 <!ENTITY Gamma "Γ"> <!-- greek capital letter gamma,
328 <!ENTITY Delta "Δ"> <!-- greek capital letter delta,
330 <!ENTITY Epsilon "Ε"> <!-- greek capital letter epsilon, U+0395 -->
331 <!ENTITY Zeta "Ζ"> <!-- greek capital letter zeta, U+0396 -->
332 <!ENTITY Eta "Η"> <!-- greek capital letter eta, U+0397 -->
333 <!ENTITY Theta "Θ"> <!-- greek capital letter theta,
335 <!ENTITY Iota "Ι"> <!-- greek capital letter iota, U+0399 -->
336 <!ENTITY Kappa "Κ"> <!-- greek capital letter kappa, U+039A -->
337 <!ENTITY Lambda "Λ"> <!-- greek capital letter lambda,
339 <!ENTITY Mu "Μ"> <!-- greek capital letter mu, U+039C -->
340 <!ENTITY Nu "Ν"> <!-- greek capital letter nu, U+039D -->
341 <!ENTITY Xi "Ξ"> <!-- greek capital letter xi, U+039E ISOgrk3 -->
342 <!ENTITY Omicron "Ο"> <!-- greek capital letter omicron, U+039F -->
343 <!ENTITY Pi "Π"> <!-- greek capital letter pi, U+03A0 ISOgrk3 -->
344 <!ENTITY Rho "Ρ"> <!-- greek capital letter rho, U+03A1 -->
345 <!-- there is no Sigmaf, and no U+03A2 character either -->
346 <!ENTITY Sigma "Σ"> <!-- greek capital letter sigma,
348 <!ENTITY Tau "Τ"> <!-- greek capital letter tau, U+03A4 -->
349 <!ENTITY Upsilon "Υ"> <!-- greek capital letter upsilon,
351 <!ENTITY Phi "Φ"> <!-- greek capital letter phi,
353 <!ENTITY Chi "Χ"> <!-- greek capital letter chi, U+03A7 -->
354 <!ENTITY Psi "Ψ"> <!-- greek capital letter psi,
356 <!ENTITY Omega "Ω"> <!-- greek capital letter omega,
359 <!ENTITY alpha "α"> <!-- greek small letter alpha,
361 <!ENTITY beta "β"> <!-- greek small letter beta, U+03B2 ISOgrk3 -->
362 <!ENTITY gamma "γ"> <!-- greek small letter gamma,
364 <!ENTITY delta "δ"> <!-- greek small letter delta,
366 <!ENTITY epsilon "ε"> <!-- greek small letter epsilon,
368 <!ENTITY zeta "ζ"> <!-- greek small letter zeta, U+03B6 ISOgrk3 -->
369 <!ENTITY eta "η"> <!-- greek small letter eta, U+03B7 ISOgrk3 -->
370 <!ENTITY theta "θ"> <!-- greek small letter theta,
372 <!ENTITY iota "ι"> <!-- greek small letter iota, U+03B9 ISOgrk3 -->
373 <!ENTITY kappa "κ"> <!-- greek small letter kappa,
375 <!ENTITY lambda "λ"> <!-- greek small letter lambda,
377 <!ENTITY mu "μ"> <!-- greek small letter mu, U+03BC ISOgrk3 -->
378 <!ENTITY nu "ν"> <!-- greek small letter nu, U+03BD ISOgrk3 -->
379 <!ENTITY xi "ξ"> <!-- greek small letter xi, U+03BE ISOgrk3 -->
380 <!ENTITY omicron "ο"> <!-- greek small letter omicron, U+03BF NEW -->
381 <!ENTITY pi "π"> <!-- greek small letter pi, U+03C0 ISOgrk3 -->
382 <!ENTITY rho "ρ"> <!-- greek small letter rho, U+03C1 ISOgrk3 -->
383 <!ENTITY sigmaf "ς"> <!-- greek small letter final sigma,
385 <!ENTITY sigma "σ"> <!-- greek small letter sigma,
387 <!ENTITY tau "τ"> <!-- greek small letter tau, U+03C4 ISOgrk3 -->
388 <!ENTITY upsilon "υ"> <!-- greek small letter upsilon,
390 <!ENTITY phi "φ"> <!-- greek small letter phi, U+03C6 ISOgrk3 -->
391 <!ENTITY chi "χ"> <!-- greek small letter chi, U+03C7 ISOgrk3 -->
392 <!ENTITY psi "ψ"> <!-- greek small letter psi, U+03C8 ISOgrk3 -->
393 <!ENTITY omega "ω"> <!-- greek small letter omega,
396 <!-- special symbols -->
398 <!ENTITY dagger "†"> <!-- dagger, U+2020 ISOpub -->
399 <!ENTITY Dagger "‡"> <!-- double dagger, U+2021 ISOpub -->
401 <!-- General Punctuation -->
402 <!ENTITY bull "•"> <!-- bullet = black small circle,
404 <!-- bullet is NOT the same as bullet operator, U+2219 -->
405 <!ENTITY hellip "…"> <!-- horizontal ellipsis = three dot leader,
407 <!ENTITY prime "′"> <!-- prime = minutes = feet, U+2032 ISOtech -->
408 <!ENTITY Prime "″"> <!-- double prime = seconds = inches,
410 <!ENTITY oline "‾"> <!-- overline = spacing overscore,
413 <!ENTITY euro "€"> <!-- euro sign, U+20AC NEW -->
415 <!-- Letterlike Symbols -->
416 <!ENTITY weierp "℘"> <!-- script capital P = power set
417 = Weierstrass p, U+2118 ISOamso -->
418 <!ENTITY image "ℑ"> <!-- blackletter capital I = imaginary part,
420 <!ENTITY real "ℜ"> <!-- blackletter capital R = real part symbol,
422 <!ENTITY trade "™"> <!-- trade mark sign, U+2122 ISOnum -->
423 <!ENTITY alefsym "ℵ"> <!-- alef symbol = first transfinite cardinal,
425 <!-- alef symbol is NOT the same as hebrew letter alef,
426 U+05D0 although the same glyph could be used to depict both characters -->
429 <!ENTITY larr "←"> <!-- leftwards arrow, U+2190 ISOnum -->
430 <!ENTITY uarr "↑"> <!-- upwards arrow, U+2191 ISOnum-->
431 <!ENTITY rarr "→"> <!-- rightwards arrow, U+2192 ISOnum -->
432 <!ENTITY darr "↓"> <!-- downwards arrow, U+2193 ISOnum -->
433 <!ENTITY harr "↔"> <!-- left right arrow, U+2194 ISOamsa -->
434 <!ENTITY crarr "↵"> <!-- downwards arrow with corner leftwards
435 = carriage return, U+21B5 NEW -->
436 <!ENTITY lArr "⇐"> <!-- leftwards double arrow, U+21D0 ISOtech -->
437 <!-- Unicode does not say that lArr is the same as the 'is implied by' arrow
438 but also does not have any other character for that function. So ? lArr can
439 be used for 'is implied by' as ISOtech suggests -->
440 <!ENTITY uArr "⇑"> <!-- upwards double arrow, U+21D1 ISOamsa -->
441 <!ENTITY rArr "⇒"> <!-- rightwards double arrow,
443 <!-- Unicode does not say this is the 'implies' character but does not have
444 another character with this function so ?
445 rArr can be used for 'implies' as ISOtech suggests -->
446 <!ENTITY dArr "⇓"> <!-- downwards double arrow, U+21D3 ISOamsa -->
447 <!ENTITY hArr "⇔"> <!-- left right double arrow,
450 <!-- Mathematical Operators -->
451 <!ENTITY forall "∀"> <!-- for all, U+2200 ISOtech -->
452 <!ENTITY part "∂"> <!-- partial differential, U+2202 ISOtech -->
453 <!ENTITY exist "∃"> <!-- there exists, U+2203 ISOtech -->
454 <!ENTITY empty "∅"> <!-- empty set = null set = diameter,
456 <!ENTITY nabla "∇"> <!-- nabla = backward difference,
458 <!ENTITY isin "∈"> <!-- element of, U+2208 ISOtech -->
459 <!ENTITY notin "∉"> <!-- not an element of, U+2209 ISOtech -->
460 <!ENTITY ni "∋"> <!-- contains as member, U+220B ISOtech -->
461 <!-- should there be a more memorable name than 'ni'? -->
462 <!ENTITY prod "∏"> <!-- n-ary product = product sign,
464 <!-- prod is NOT the same character as U+03A0 'greek capital letter pi' though
465 the same glyph might be used for both -->
466 <!ENTITY sum "∑"> <!-- n-ary sumation, U+2211 ISOamsb -->
467 <!-- sum is NOT the same character as U+03A3 'greek capital letter sigma'
468 though the same glyph might be used for both -->
469 <!ENTITY minus "−"> <!-- minus sign, U+2212 ISOtech -->
470 <!ENTITY lowast "∗"> <!-- asterisk operator, U+2217 ISOtech -->
471 <!ENTITY radic "√"> <!-- square root = radical sign,
473 <!ENTITY prop "∝"> <!-- proportional to, U+221D ISOtech -->
474 <!ENTITY infin "∞"> <!-- infinity, U+221E ISOtech -->
475 <!ENTITY ang "∠"> <!-- angle, U+2220 ISOamso -->
476 <!ENTITY and "∧"> <!-- logical and = wedge, U+2227 ISOtech -->
477 <!ENTITY or "∨"> <!-- logical or = vee, U+2228 ISOtech -->
478 <!ENTITY cap "∩"> <!-- intersection = cap, U+2229 ISOtech -->
479 <!ENTITY cup "∪"> <!-- union = cup, U+222A ISOtech -->
480 <!ENTITY int "∫"> <!-- integral, U+222B ISOtech -->
481 <!ENTITY there4 "∴"> <!-- therefore, U+2234 ISOtech -->
482 <!ENTITY sim "∼"> <!-- tilde operator = varies with = similar to,
484 <!-- tilde operator is NOT the same character as the tilde, U+007E,
485 although the same glyph might be used to represent both -->
486 <!ENTITY cong "≅"> <!-- approximately equal to, U+2245 ISOtech -->
487 <!ENTITY asymp "≈"> <!-- almost equal to = asymptotic to,
489 <!ENTITY ne "≠"> <!-- not equal to, U+2260 ISOtech -->
490 <!ENTITY equiv "≡"> <!-- identical to, U+2261 ISOtech -->
491 <!ENTITY le "≤"> <!-- less-than or equal to, U+2264 ISOtech -->
492 <!ENTITY ge "≥"> <!-- greater-than or equal to,
494 <!ENTITY sub "⊂"> <!-- subset of, U+2282 ISOtech -->
495 <!ENTITY sup "⊃"> <!-- superset of, U+2283 ISOtech -->
496 <!-- note that nsup, 'not a superset of, U+2283' is not covered by the Symbol
497 font encoding and is not included. Should it be, for symmetry?
499 <!ENTITY nsub "⊄"> <!-- not a subset of, U+2284 ISOamsn -->
500 <!ENTITY sube "⊆"> <!-- subset of or equal to, U+2286 ISOtech -->
501 <!ENTITY supe "⊇"> <!-- superset of or equal to,
503 <!ENTITY oplus "⊕"> <!-- circled plus = direct sum,
505 <!ENTITY otimes "⊗"> <!-- circled times = vector product,
507 <!ENTITY perp "⊥"> <!-- up tack = orthogonal to = perpendicular,
509 <!ENTITY sdot "⋅"> <!-- dot operator, U+22C5 ISOamsb -->
510 <!-- dot operator is NOT the same character as U+00B7 middle dot -->
512 <!-- Miscellaneous Technical -->
513 <!ENTITY lceil "⌈"> <!-- left ceiling = apl upstile,
515 <!ENTITY rceil "⌉"> <!-- right ceiling, U+2309 ISOamsc -->
516 <!ENTITY lfloor "⌊"> <!-- left floor = apl downstile,
518 <!ENTITY rfloor "⌋"> <!-- right floor, U+230B ISOamsc -->
519 <!ENTITY lang "〈"> <!-- left-pointing angle bracket = bra,
521 <!-- lang is NOT the same character as U+003C 'less than'
522 or U+2039 'single left-pointing angle quotation mark' -->
523 <!ENTITY rang "〉"> <!-- right-pointing angle bracket = ket,
525 <!-- rang is NOT the same character as U+003E 'greater than'
526 or U+203A 'single right-pointing angle quotation mark' -->
528 <!-- Geometric Shapes -->
529 <!ENTITY loz "◊"> <!-- lozenge, U+25CA ISOpub -->
531 <!-- Miscellaneous Symbols -->
532 <!ENTITY spades "♠"> <!-- black spade suit, U+2660 ISOpub -->
533 <!-- black here seems to mean filled as opposed to hollow -->
534 <!ENTITY clubs "♣"> <!-- black club suit = shamrock,
536 <!ENTITY hearts "♥"> <!-- black heart suit = valentine,
538 <!ENTITY diams "♦"> <!-- black diamond suit, U+2666 ISOpub -->