<!-- 
     Portions (C) International Organization for Standardization 1986
     Permission to copy in any form is granted for use with
     conforming SGML systems and applications as defined in
     ISO 8879, provided this notice is included in all copies.
-->

<!-- 
     Character entity set.
-->

<!-- Latin A -->
<!ENTITY nbsp     "&#160;">  <!-- U+00A0 ISOnum    - no-break space = non-breaking space                                   -->
<!ENTITY iexcl    "&#161;">  <!-- U+00A1 ISOnum    - inverted exclamation mark                                             -->
<!ENTITY cent     "&#162;">  <!-- U+00A2 ISOnum    - cent sign                                                             -->
<!ENTITY pound    "&#163;">  <!-- U+00A3 ISOnum    - pound sign                                                            -->
<!ENTITY curren   "&#164;">  <!-- U+00A4 ISOnum    - currency sign                                                         -->
<!ENTITY yen      "&#165;">  <!-- U+00A5 ISOnum    - yen sign = yuan sign                                                  -->
<!ENTITY brvbar   "&#166;">  <!-- U+00A6 ISOnum    - broken bar = broken vertical bar                                      -->
<!ENTITY sect     "&#167;">  <!-- U+00A7 ISOnum    - section sign                                                          -->
<!ENTITY uml      "&#168;">  <!-- U+00A8 ISOdia    - diaeresis = spacing diaeresis                                         -->
<!ENTITY copy     "&#169;">  <!-- U+00A9 ISOnum    - copyright sign                                                        -->
<!ENTITY ordf     "&#170;">  <!-- U+00AA ISOnum    - feminine ordinal indicator                                            -->
<!ENTITY laquo    "&#171;">  <!-- U+00AB ISOnum    - left-pointing double angle quotation mark = left pointing guillemet   -->
<!ENTITY not      "&#172;">  <!-- U+00AC ISOnum    - not sign                                                              -->
<!ENTITY shy      "&#173;">  <!-- U+00AD ISOnum    - soft hyphen = discretionary hyphen                                    -->
<!ENTITY reg      "&#174;">  <!-- U+00AE ISOnum    - registered sign = registered trade mark sign                          -->
<!ENTITY macr     "&#175;">  <!-- U+00AF ISOdia    - macron = spacing macron = overline = APL overbar                      -->
<!ENTITY deg      "&#176;">  <!-- U+00B0 ISOnum    - degree sign                                                           -->
<!ENTITY plusmn   "&#177;">  <!-- U+00B1 ISOnum    - plus-minus sign = plus-or-minus sign                                  -->
<!ENTITY sup2     "&#178;">  <!-- U+00B2 ISOnum    - superscript two = superscript digit two = squared                     -->
<!ENTITY sup3     "&#179;">  <!-- U+00B3 ISOnum    - superscript three = superscript digit three = cubed                   -->
<!ENTITY acute    "&#180;">  <!-- U+00B4 ISOdia    - acute accent = spacing acute                                          -->
<!ENTITY micro    "&#181;">  <!-- U+00B5 ISOnum    - micro sign                                                            -->
<!ENTITY para     "&#182;">  <!-- U+00B6 ISOnum    - pilcrow sign = paragraph sign                                         -->
<!ENTITY middot   "&#183;">  <!-- U+00B7 ISOnum    - middle dot = Georgian comma = Greek middle dot                        -->
<!ENTITY cedil    "&#184;">  <!-- U+00B8 ISOdia    - cedilla = spacing cedilla                                             -->
<!ENTITY sup1     "&#185;">  <!-- U+00B9 ISOnum    - superscript one = superscript digit one                               -->
<!ENTITY ordm     "&#186;">  <!-- U+00BA ISOnum    - masculine ordinal indicator                                           -->
<!ENTITY raquo    "&#187;">  <!-- U+00BB ISOnum    - right-pointing double angle quotation mark = right pointing guillemet -->
<!ENTITY frac14   "&#188;">  <!-- U+00BC ISOnum    - vulgar fraction one quarter = fraction one quarter                    -->
<!ENTITY frac12   "&#189;">  <!-- U+00BD ISOnum    - vulgar fraction one half = fraction one half                          -->
<!ENTITY frac34   "&#190;">  <!-- U+00BE ISOnum    - vulgar fraction three quarters = fraction three quarters              -->
<!ENTITY iquest   "&#191;">  <!-- U+00BF ISOnum    - inverted question mark = turned question mark                         -->
<!ENTITY Agrave   "&#192;">  <!-- U+00C0 ISOlat1   - latin capital letter A with grave = latin capital letter A grave      -->
<!ENTITY Aacute   "&#193;">  <!-- U+00C1 ISOlat1   - latin capital letter A with acute                                     -->
<!ENTITY Acirc    "&#194;">  <!-- U+00C2 ISOlat1   - latin capital letter A with circumflex                                -->
<!ENTITY Atilde   "&#195;">  <!-- U+00C3 ISOlat1   - latin capital letter A with tilde                                     -->
<!ENTITY Auml     "&#196;">  <!-- U+00C4 ISOlat1   - latin capital letter A with diaeresis                                 -->
<!ENTITY Aring    "&#197;">  <!-- U+00C5 ISOlat1   - latin capital letter A with ring above = latin capital letter A ring  -->
<!ENTITY AElig    "&#198;">  <!-- U+00C6 ISOlat1   - latin capital letter AE = latin capital ligature AE                   -->
<!ENTITY Ccedil   "&#199;">  <!-- U+00C7 ISOlat1   - latin capital letter C with cedilla                                   -->
<!ENTITY Egrave   "&#200;">  <!-- U+00C8 ISOlat1   - latin capital letter E with grave                                     -->
<!ENTITY Eacute   "&#201;">  <!-- U+00C9 ISOlat1   - latin capital letter E with acute                                     -->
<!ENTITY Ecirc    "&#202;">  <!-- U+00CA ISOlat1   - latin capital letter E with circumflex                                -->
<!ENTITY Euml     "&#203;">  <!-- U+00CB ISOlat1   - latin capital letter E with diaeresis                                 -->
<!ENTITY Igrave   "&#204;">  <!-- U+00CC ISOlat1   - latin capital letter I with grave                                     -->
<!ENTITY Iacute   "&#205;">  <!-- U+00CD ISOlat1   - latin capital letter I with acute                                     -->
<!ENTITY Icirc    "&#206;">  <!-- U+00CE ISOlat1   - latin capital letter I with circumflex                                -->
<!ENTITY Iuml     "&#207;">  <!-- U+00CF ISOlat1   - latin capital letter I with diaeresis                                 -->
<!ENTITY ETH      "&#208;">  <!-- U+00D0 ISOlat1   - latin capital letter ETH                                              -->
<!ENTITY Ntilde   "&#209;">  <!-- U+00D1 ISOlat1   - latin capital letter N with tilde                                     -->
<!ENTITY Ograve   "&#210;">  <!-- U+00D2 ISOlat1   - latin capital letter O with grave                                     -->
<!ENTITY Oacute   "&#211;">  <!-- U+00D3 ISOlat1   - latin capital letter O with acute                                     -->
<!ENTITY Ocirc    "&#212;">  <!-- U+00D4 ISOlat1   - latin capital letter O with circumflex                                -->
<!ENTITY Otilde   "&#213;">  <!-- U+00D5 ISOlat1   - latin capital letter O with tilde                                     -->
<!ENTITY Ouml     "&#214;">  <!-- U+00D6 ISOlat1   - latin capital letter O with diaeresis                                 -->
<!ENTITY times    "&#215;">  <!-- U+00D7 ISOnum    - multiplication sign                                                   -->
<!ENTITY Oslash   "&#216;">  <!-- U+00D8 ISOlat1   - latin capital letter O with stroke = latin capital letter O slash     -->
<!ENTITY Ugrave   "&#217;">  <!-- U+00D9 ISOlat1   - latin capital letter U with grave                                     -->
<!ENTITY Uacute   "&#218;">  <!-- U+00DA ISOlat1   - latin capital letter U with acute                                     -->
<!ENTITY Ucirc    "&#219;">  <!-- U+00DB ISOlat1   - latin capital letter U with circumflex                                -->
<!ENTITY Uuml     "&#220;">  <!-- U+00DC ISOlat1   - latin capital letter U with diaeresis                                 -->
<!ENTITY Yacute   "&#221;">  <!-- U+00DD ISOlat1   - latin capital letter Y with acute                                     -->
<!ENTITY THORN    "&#222;">  <!-- U+00DE ISOlat1   - latin capital letter THORN                                            -->
<!ENTITY szlig    "&#223;">  <!-- U+00DF ISOlat1   - latin small letter sharp s = ess-zed                                  -->
<!ENTITY agrave   "&#224;">  <!-- U+00E0 ISOlat1   - latin small letter a with grave = latin small letter a grave          -->
<!ENTITY aacute   "&#225;">  <!-- U+00E1 ISOlat1   - latin small letter a with acute                                       -->
<!ENTITY acirc    "&#226;">  <!-- U+00E2 ISOlat1   - latin small letter a with circumflex                                  -->
<!ENTITY atilde   "&#227;">  <!-- U+00E3 ISOlat1   - latin small letter a with tilde                                       -->
<!ENTITY auml     "&#228;">  <!-- U+00E4 ISOlat1   - latin small letter a with diaeresis                                   -->
<!ENTITY aring    "&#229;">  <!-- U+00E5 ISOlat1   - latin small letter a with ring above = latin small letter a ring      -->
<!ENTITY aelig    "&#230;">  <!-- U+00E6 ISOlat1   - latin small letter ae = latin small ligature ae                       -->
<!ENTITY ccedil   "&#231;">  <!-- U+00E7 ISOlat1   - latin small letter c with cedilla                                     -->
<!ENTITY egrave   "&#232;">  <!-- U+00E8 ISOlat1   - latin small letter e with grave                                       -->
<!ENTITY eacute   "&#233;">  <!-- U+00E9 ISOlat1   - latin small letter e with acute                                       -->
<!ENTITY ecirc    "&#234;">  <!-- U+00EA ISOlat1   - latin small letter e with circumflex                                  -->
<!ENTITY euml     "&#235;">  <!-- U+00EB ISOlat1   - latin small letter e with diaeresis                                   -->
<!ENTITY igrave   "&#236;">  <!-- U+00EC ISOlat1   - latin small letter i with grave                                       -->
<!ENTITY iacute   "&#237;">  <!-- U+00ED ISOlat1   - latin small letter i with acute                                       -->
<!ENTITY icirc    "&#238;">  <!-- U+00EE ISOlat1   - latin small letter i with circumflex                                  -->
<!ENTITY iuml     "&#239;">  <!-- U+00EF ISOlat1   - latin small letter i with diaeresis                                   -->
<!ENTITY eth      "&#240;">  <!-- U+00F0 ISOlat1   - latin small letter eth                                                -->
<!ENTITY ntilde   "&#241;">  <!-- U+00F1 ISOlat1   - latin small letter n with tilde                                       -->
<!ENTITY ograve   "&#242;">  <!-- U+00F2 ISOlat1   - latin small letter o with grave                                       -->
<!ENTITY oacute   "&#243;">  <!-- U+00F3 ISOlat1   - latin small letter o with acute                                       -->
<!ENTITY ocirc    "&#244;">  <!-- U+00F4 ISOlat1   - latin small letter o with circumflex                                  -->
<!ENTITY otilde   "&#245;">  <!-- U+00F5 ISOlat1   - latin small letter o with tilde                                       -->
<!ENTITY ouml     "&#246;">  <!-- U+00F6 ISOlat1   - latin small letter o with diaeresis                                   -->
<!ENTITY divide   "&#247;">  <!-- U+00F7 ISOnum    - division sign                                                         -->
<!ENTITY oslash   "&#248;">  <!-- U+00F8 ISOlat1   - latin small letter o with stroke = latin small letter o slash         -->
<!ENTITY ugrave   "&#249;">  <!-- U+00F9 ISOlat1   - latin small letter u with grave                                       -->
<!ENTITY uacute   "&#250;">  <!-- U+00FA ISOlat1   - latin small letter u with acute                                       -->
<!ENTITY ucirc    "&#251;">  <!-- U+00FB ISOlat1   - latin small letter u with circumflex                                  -->
<!ENTITY uuml     "&#252;">  <!-- U+00FC ISOlat1   - latin small letter u with diaeresis                                   -->
<!ENTITY yacute   "&#253;">  <!-- U+00FD ISOlat1   - latin small letter y with acute                                       -->
<!ENTITY thorn    "&#254;">  <!-- U+00FE ISOlat1   - latin small letter thorn                                              -->
<!ENTITY yuml     "&#255;">  <!-- U+00FF ISOlat1   - latin small letter y with diaeresis                                   -->

<!-- Latin Extended-A -->
<!ENTITY OElig    "&#338;">  <!-- U+0152 ISOlat2   - latin capital ligature OE                                             -->
<!ENTITY oelig    "&#339;">  <!-- U+0153 ISOlat2   - latin small ligature oe                                               -->

<!-- ligature is a misnomer, this is a separate character in some languages -->
<!ENTITY Scaron   "&#352;">  <!-- U+0160 ISOlat2   - latin capital letter S with caron                                     -->
<!ENTITY scaron   "&#353;">  <!-- U+0161 ISOlat2   - latin small letter s with caron                                       -->
<!ENTITY Yuml     "&#376;">  <!-- U+0178 ISOlat2   - latin capital letter Y with diaeresis                                 -->

<!-- Spacing Modifier Letters -->
<!ENTITY circ     "&#710;">  <!-- U+02C6 ISOpub    - modifier letter circumflex accent                                     -->
<!ENTITY tilde    "&#732;">  <!-- U+02DC ISOdia    - small tilde                                                           -->

<!-- General Punctuation -->
<!ENTITY ensp     "&#8194;"> <!-- U+2002 ISOpub    - en space                                                              -->
<!ENTITY emsp     "&#8195;"> <!-- U+2003 ISOpub    - em space                                                              -->
<!ENTITY thinsp   "&#8201;"> <!-- U+2009 ISOpub    - thin space                                                            -->
<!ENTITY zwnj     "&#8204;"> <!-- U+200C RFC 2070  - zero width non-joiner                                                 -->
<!ENTITY zwj      "&#8205;"> <!-- U+200D RFC 2070  - zero width joiner                                                     -->
<!ENTITY lrm      "&#8206;"> <!-- U+200E RFC 2070  - left-to-right mark                                                    -->
<!ENTITY rlm      "&#8207;"> <!-- U+200F RFC 2070  - right-to-left mark                                                    -->
<!ENTITY ndash    "&#8211;"> <!-- U+2013 ISOpub    - en dash                                                               -->
<!ENTITY mdash    "&#8212;"> <!-- U+2014 ISOpub    - em dash                                                               -->
<!ENTITY lsquo    "&#8216;"> <!-- U+2018 ISOnum    - left single quotation mark                                            -->
<!ENTITY rsquo    "&#8217;"> <!-- U+2019 ISOnum    - right single quotation mark                                           -->
<!ENTITY sbquo    "&#8218;"> <!-- U+201A NEW       - single low-9 quotation mark                                           -->
<!ENTITY ldquo    "&#8220;"> <!-- U+201C ISOnum    - left double quotation mark                                            -->
<!ENTITY rdquo    "&#8221;"> <!-- U+201D ISOnum    - right double quotation mark,                                          -->
<!ENTITY bdquo    "&#8222;"> <!-- U+201E NEW       - double low-9 quotation mark                                           -->
<!ENTITY dagger   "&#8224;"> <!-- U+2020 ISOpub    - dagger                                                                -->
<!ENTITY Dagger   "&#8225;"> <!-- U+2021 ISOpub    - double dagger                                                         -->
<!ENTITY permil   "&#8240;"> <!-- U+2030 ISOtech   - per mille sign                                                        -->
<!ENTITY lsaquo   "&#8249;"> <!-- U+2039 ISO prop. - single left-pointing angle quotation mark                             -->

<!-- lsaquo is proposed but not yet ISO standardized -->
<!ENTITY rsaquo   "&#8250;"> <!-- U+203A ISO prop. -   single right-pointing angle quotation mark                          -->

<!-- rsaquo is proposed but not yet ISO standardized -->
<!ENTITY euro     "&#8364;"> <!-- U+20AC NEW       -   euro sign                                                           -->

<!-- Latin Extended-B -->
<!ENTITY fnof     "&#402;">  <!-- U+0192 ISOtech   - latin small f with hook = function = florin                           -->

<!-- Greek -->
<!ENTITY Alpha    "&#913;">  <!-- U+0391           - greek capital letter alpha                                            -->
<!ENTITY Beta     "&#914;">  <!-- U+0392           - greek capital letter beta                                             -->
<!ENTITY Gamma    "&#915;">  <!-- U+0393 ISOgrk3   - greek capital letter gamma                                            -->
<!ENTITY Delta    "&#916;">  <!-- U+0394 ISOgrk3   - greek capital letter delta                                            -->
<!ENTITY Epsilon  "&#917;">  <!-- U+0395           - greek capital letter epsilon                                          -->
<!ENTITY Zeta     "&#918;">  <!-- U+0396           - greek capital letter zeta                                             -->
<!ENTITY Eta      "&#919;">  <!-- U+0397           - greek capital letter eta                                              -->
<!ENTITY Theta    "&#920;">  <!-- U+0398 ISOgrk3   - greek capital letter theta                                            -->
<!ENTITY Iota     "&#921;">  <!-- U+0399           - greek capital letter iota                                             -->
<!ENTITY Kappa    "&#922;">  <!-- U+039A           - greek capital letter kappa                                            -->
<!ENTITY Lambda   "&#923;">  <!-- U+039B ISOgrk3   - greek capital letter lambda                                           -->
<!ENTITY Mu       "&#924;">  <!-- U+039C           - greek capital letter mu                                               -->
<!ENTITY Nu       "&#925;">  <!-- U+039D           - greek capital letter nu                                               -->
<!ENTITY Xi       "&#926;">  <!-- U+039E ISOgrk3   - greek capital letter xi                                               -->
<!ENTITY Omicron  "&#927;">  <!-- U+039F           - greek capital letter omicron                                          -->
<!ENTITY Pi       "&#928;">  <!-- U+03A0 ISOgrk3   - greek capital letter pi                                               -->
<!ENTITY Rho      "&#929;">  <!-- U+03A1           - greek capital letter rho                                              -->
<!ENTITY Sigma    "&#931;">  <!-- U+03A3 ISOgrk3   - greek capital letter sigma                                            -->
<!ENTITY Tau      "&#932;">  <!-- U+03A4           - greek capital letter tau                                              -->
<!ENTITY Upsilon  "&#933;">  <!-- U+03A5 ISOgrk3   - greek capital letter upsilon                                          -->
<!ENTITY Phi      "&#934;">  <!-- U+03A6 ISOgrk3   - greek capital letter phi                                              -->
<!ENTITY Chi      "&#935;">  <!-- U+03A7           - greek capital letter chi                                              -->
<!ENTITY Psi      "&#936;">  <!-- U+03A8 ISOgrk3   - greek capital letter psi                                              -->
<!ENTITY Omega    "&#937;">  <!-- U+03A9 ISOgrk3   - greek capital letter omega                                            -->
<!ENTITY alpha    "&#945;">  <!-- U+03B1 ISOgrk3   - greek small letter alpha                                              -->
<!ENTITY beta     "&#946;">  <!-- U+03B2 ISOgrk3   - greek small letter beta                                               -->
<!ENTITY gamma    "&#947;">  <!-- U+03B3 ISOgrk3   - greek small letter gamma                                              -->
<!ENTITY delta    "&#948;">  <!-- U+03B4 ISOgrk3   - greek small letter delta                                              -->
<!ENTITY epsilon  "&#949;">  <!-- U+03B5 ISOgrk3   - greek small letter epsilon                                            -->
<!ENTITY zeta     "&#950;">  <!-- U+03B6 ISOgrk3   - greek small letter zeta                                               -->
<!ENTITY eta      "&#951;">  <!-- U+03B7 ISOgrk3   - greek small letter eta                                                -->
<!ENTITY theta    "&#952;">  <!-- U+03B8 ISOgrk3   - greek small letter theta                                              -->
<!ENTITY iota     "&#953;">  <!-- U+03B9 ISOgrk3   - greek small letter iota                                               -->
<!ENTITY kappa    "&#954;">  <!-- U+03BA ISOgrk3   - greek small letter kappa                                              -->
<!ENTITY lambda   "&#955;">  <!-- U+03BB ISOgrk3   - greek small letter lambda                                             -->
<!ENTITY mu       "&#956;">  <!-- U+03BC ISOgrk3   - greek small letter mu                                                 -->
<!ENTITY nu       "&#957;">  <!-- U+03BD ISOgrk3   - greek small letter nu                                                 -->
<!ENTITY xi       "&#958;">  <!-- U+03BE ISOgrk3   - greek small letter xi                                                 -->
<!ENTITY omicron  "&#959;">  <!-- U+03BF NEW       - greek small letter omicron                                            -->
<!ENTITY pi       "&#960;">  <!-- U+03C0 ISOgrk3   - greek small letter pi                                                 -->
<!ENTITY rho      "&#961;">  <!-- U+03C1 ISOgrk3   - greek small letter rho                                                -->
<!ENTITY sigmaf   "&#962;">  <!-- U+03C2 ISOgrk3   - greek small letter final sigma                                        -->
<!ENTITY sigma    "&#963;">  <!-- U+03C3 ISOgrk3   - greek small letter sigma                                              -->
<!ENTITY tau      "&#964;">  <!-- U+03C4 ISOgrk3   - greek small letter tau                                                -->
<!ENTITY upsilon  "&#965;">  <!-- U+03C5 ISOgrk3   - greek small letter upsilon                                            -->
<!ENTITY phi      "&#966;">  <!-- U+03C6 ISOgrk3   - greek small letter phi                                                -->
<!ENTITY chi      "&#967;">  <!-- U+03C7 ISOgrk3   - greek small letter chi                                                -->
<!ENTITY psi      "&#968;">  <!-- U+03C8 ISOgrk3   - greek small letter psi                                                -->
<!ENTITY omega    "&#969;">  <!-- U+03C9 ISOgrk3   - greek small letter omega                                              -->
<!ENTITY thetasym "&#977;">  <!-- U+03D1 NEW       - greek small letter theta symbol                                       -->
<!ENTITY upsih    "&#978;">  <!-- U+03D2 NEW       - greek upsilon with hook symbol                                        -->
<!ENTITY piv      "&#982;">  <!-- U+03D6 ISOgrk3   - greek pi symbol                                                       -->

<!-- General Punctuation -->
<!ENTITY bull     "&#8226;"> <!-- U+2022 ISOpub    - bullet = black small circle                                           -->
<!ENTITY hellip   "&#8230;"> <!-- U+2026 ISOpub    - horizontal ellipsis = three dot leader                                -->
<!ENTITY prime    "&#8242;"> <!-- U+2032 ISOtech   - prime = minutes = feet                                                -->
<!ENTITY Prime    "&#8243;"> <!-- U+2033 ISOtech   - double prime = seconds = inches                                       -->
<!ENTITY oline    "&#8254;"> <!-- U+203E NEW       - overline = spacing overscore                                          -->
<!ENTITY frasl    "&#8260;"> <!-- U+2044 NEW       - fraction slash                                                        -->

<!-- Letterlike Symbols -->
<!ENTITY weierp   "&#8472;"> <!-- U+2118 ISOamso   - script capital P = power set = Weierstrass p                          -->
<!ENTITY image    "&#8465;"> <!-- U+2111 ISOamso   - blackletter capital I = imaginary part                                -->
<!ENTITY real     "&#8476;"> <!-- U+211C ISOamso   - blackletter capital R = real part symbol                              -->
<!ENTITY trade    "&#8482;"> <!-- U+2122 ISOnum    - trade mark sign                                                       -->
<!ENTITY alefsym  "&#8501;"> <!-- U+2135 NEW       - alef symbol = first transfinite cardinal                              -->

<!-- Arrows -->
<!ENTITY larr     "&#8592;"> <!-- U+2190 ISOnum    - leftwards arrow                                                       -->
<!ENTITY uarr     "&#8593;"> <!-- U+2191 ISOnum    - upwards arrow                                                         -->
<!ENTITY rarr     "&#8594;"> <!-- U+2192 ISOnum    - rightwards arrow                                                      -->
<!ENTITY darr     "&#8595;"> <!-- U+2193 ISOnum    - downwards arrow                                                       -->
<!ENTITY harr     "&#8596;"> <!-- U+2194 ISOamsa   - left right arrow                                                      -->
<!ENTITY crarr    "&#8629;"> <!-- U+21B5 NEW       - downwards arrow with corner leftwards = carriage return               -->
<!ENTITY lArr     "&#8656;"> <!-- U+21D0 ISOtech   - leftwards double arrow                                                -->
<!ENTITY uArr     "&#8657;"> <!-- U+21D1 ISOamsa   - upwards double arrow                                                  -->
<!ENTITY rArr     "&#8658;"> <!-- U+21D2 ISOtech   - rightwards double arrow                                               -->
<!ENTITY dArr     "&#8659;"> <!-- U+21D3 ISOamsa   - downwards double arrow                                                -->
<!ENTITY hArr     "&#8660;"> <!-- U+21D4 ISOamsa   - left right double arrow                                               -->

<!-- Mathematical Operators -->
<!ENTITY forall   "&#8704;"> <!-- U+2200 ISOtech   - for all                                                               -->
<!ENTITY part     "&#8706;"> <!-- U+2202 ISOtech   - partial differential                                                  -->
<!ENTITY exist    "&#8707;"> <!-- U+2203 ISOtech   - there exists                                                          -->
<!ENTITY empty    "&#8709;"> <!-- U+2205 ISOamso   - empty set = null set = diameter                                       -->
<!ENTITY nabla    "&#8711;"> <!-- U+2207 ISOtech   - nabla = backward difference                                           -->
<!ENTITY isin     "&#8712;"> <!-- U+2208 ISOtech   - element of                                                            -->
<!ENTITY notin    "&#8713;"> <!-- U+2209 ISOtech   - not an element of                                                     -->
<!ENTITY ni       "&#8715;"> <!-- U+220B ISOtech   - contains as member                                                    -->
<!ENTITY prod     "&#8719;"> <!-- U+220F ISOamsb   - n-ary product = product sign                                          -->
<!ENTITY sum      "&#8721;"> <!-- U+2211 ISOamsb   - n-ary sumation                                                        -->
<!ENTITY minus    "&#8722;"> <!-- U+2212 ISOtech   - minus sign                                                            -->
<!ENTITY lowast   "&#8727;"> <!-- U+2217 ISOtech   - asterisk operator                                                     -->
<!ENTITY radic    "&#8730;"> <!-- U+221A ISOtech   - square root = radical sign                                            -->
<!ENTITY prop     "&#8733;"> <!-- U+221D ISOtech   - proportional to                                                       -->
<!ENTITY infin    "&#8734;"> <!-- U+221E ISOtech   - infinity                                                              -->
<!ENTITY ang      "&#8736;"> <!-- U+2220 ISOamso   - angle                                                                 -->
<!ENTITY and      "&#8743;"> <!-- U+2227 ISOtech   - logical and = wedge                                                   -->
<!ENTITY or       "&#8744;"> <!-- U+2228 ISOtech   - logical or = vee                                                      -->
<!ENTITY cap      "&#8745;"> <!-- U+2229 ISOtech   - intersection = cap                                                    -->
<!ENTITY cup      "&#8746;"> <!-- U+222A ISOtech   - union = cup                                                           -->
<!ENTITY int      "&#8747;"> <!-- U+222B ISOtech   - integral                                                              -->
<!ENTITY there4   "&#8756;"> <!-- U+2234 ISOtech   - therefore                                                             -->
<!ENTITY sim      "&#8764;"> <!-- U+223C ISOtech   - tilde operator = varies with = similar to                             -->
<!ENTITY cong     "&#8773;"> <!-- U+2245 ISOtech   - approximately equal to                                                -->
<!ENTITY asymp    "&#8776;"> <!-- U+2248 ISOamsr   - almost equal to = asymptotic to                                       -->
<!ENTITY ne       "&#8800;"> <!-- U+2260 ISOtech   - not equal to                                                          -->
<!ENTITY equiv    "&#8801;"> <!-- U+2261 ISOtech   - identical to                                                          -->
<!ENTITY le       "&#8804;"> <!-- U+2264 ISOtech   - less-than or equal to                                                 -->
<!ENTITY ge       "&#8805;"> <!-- U+2265 ISOtech   - greater-than or equal to                                              -->
<!ENTITY sub      "&#8834;"> <!-- U+2282 ISOtech   - subset of                                                             -->
<!ENTITY sup      "&#8835;"> <!-- U+2283 ISOtech   - superset of                                                           -->
<!ENTITY nsub     "&#8836;"> <!-- U+2284 ISOamsn   - not a subset of                                                       -->
<!ENTITY sube     "&#8838;"> <!-- U+2286 ISOtech   - subset of or equal to                                                 -->
<!ENTITY supe     "&#8839;"> <!-- U+2287 ISOtech   - superset of or equal to                                               -->
<!ENTITY oplus    "&#8853;"> <!-- U+2295 ISOamsb   - circled plus = direct sum                                             -->
<!ENTITY otimes   "&#8855;"> <!-- U+2297 ISOamsb   - circled times = vector product                                        -->
<!ENTITY perp     "&#8869;"> <!-- U+22A5 ISOtech   - up tack = orthogonal to = perpendicular                               -->
<!ENTITY sdot     "&#8901;"> <!-- U+22C5 ISOamsb   - dot operator                                                          -->

<!-- Miscellaneous Technical -->
<!ENTITY lceil    "&#8968;"> <!-- U+2308 ISOamsc   - left ceiling = apl upstile                                            -->
<!ENTITY rceil    "&#8969;"> <!-- U+2309 ISOamsc   - right ceiling                                                         -->
<!ENTITY lfloor   "&#8970;"> <!-- U+230A ISOamsc   - left floor = apl downstile                                            -->
<!ENTITY rfloor   "&#8971;"> <!-- U+230B ISOamsc   - right floor                                                           -->
<!ENTITY lang     "&#9001;"> <!-- U+2329 ISOtech   - left-pointing angle bracket = bra                                     -->
<!ENTITY rang     "&#9002;"> <!-- U+232A ISOtech   - right-pointing angle bracket = ket                                    -->

<!-- Geometric Shapes -->
<!ENTITY loz      "&#9674;"> <!-- U+25CA ISOpub    - lozenge                                                               -->

<!-- Miscellaneous Symbols -->
<!ENTITY spades   "&#9824;"> <!-- U+2660 ISOpub    - black spade suit                                                      -->
<!ENTITY clubs    "&#9827;"> <!-- U+2663 ISOpub    - black club suit = shamrock                                            -->
<!ENTITY hearts   "&#9829;"> <!-- U+2665 ISOpub    - black heart suit = valentine                                          -->
<!ENTITY diams    "&#9830;"> <!-- U+2666 ISOpub    - black diamond suit                                                    -->