diff --git a/Lib/htmlentitydefs.py b/Lib/htmlentitydefs.py
index 55aefaa5ed1..3edb27e8814 100644
--- a/Lib/htmlentitydefs.py
+++ b/Lib/htmlentitydefs.py
@@ -1,105 +1,255 @@
-# Proposed entity definitions for HTML, taken from
-# http://www.w3.org/hypertext/WWW/MarkUp/html-spec/html-spec_14.html
-
entitydefs = {
- 'lt': '<',
- 'gt': '>',
- 'amp': '&',
- 'quot': '"',
- 'nbsp': chr(160), # no-break space
- 'iexcl': chr(161), # inverted exclamation mark
- 'cent': chr(162), # cent sign
- 'pound': chr(163), # pound sterling sign
- 'curren': chr(164), # general currency sign
- 'yen': chr(165), # yen sign
- 'brvbar': chr(166), # broken (vertical) bar
- 'sect': chr(167), # section sign
- 'uml': chr(168), # umlaut (dieresis)
- 'copy': chr(169), # copyright sign
- 'ordf': chr(170), # ordinal indicator, feminine
- 'laquo': chr(171), # angle quotation mark, left
- 'not': chr(172), # not sign
- 'shy': chr(173), # soft hyphen
- 'reg': chr(174), # registered sign
- 'macr': chr(175), # macron
- 'deg': chr(176), # degree sign
- 'plusmn': chr(177), # plus-or-minus sign
- 'sup2': chr(178), # superscript two
- 'sup3': chr(179), # superscript three
- 'acute': chr(180), # acute accent
- 'micro': chr(181), # micro sign
- 'para': chr(182), # pilcrow (paragraph sign)
- 'middot': chr(183), # middle dot
- 'cedil': chr(184), # cedilla
- 'sup1': chr(185), # superscript one
- 'ordm': chr(186), # ordinal indicator, masculine
- 'raquo': chr(187), # angle quotation mark, right
- 'frac14': chr(188), # fraction one-quarter
- 'frac12': chr(189), # fraction one-half
- 'frac34': chr(190), # fraction three-quarters
- 'iquest': chr(191), # inverted question mark
- 'Agrave': chr(192), # capital A, grave accent
- 'Aacute': chr(193), # capital A, acute accent
- 'Acirc': chr(194), # capital A, circumflex accent
- 'Atilde': chr(195), # capital A, tilde
- 'Auml': chr(196), # capital A, dieresis or umlaut mark
- 'Aring': chr(197), # capital A, ring
- 'AElig': chr(198), # capital AE diphthong (ligature)
- 'Ccedil': chr(199), # capital C, cedilla
- 'Egrave': chr(200), # capital E, grave accent
- 'Eacute': chr(201), # capital E, acute accent
- 'Ecirc': chr(202), # capital E, circumflex accent
- 'Euml': chr(203), # capital E, dieresis or umlaut mark
- 'Igrave': chr(204), # capital I, grave accent
- 'Iacute': chr(205), # capital I, acute accent
- 'Icirc': chr(206), # capital I, circumflex accent
- 'Iuml': chr(207), # capital I, dieresis or umlaut mark
- 'ETH': chr(208), # capital Eth, Icelandic
- 'Ntilde': chr(209), # capital N, tilde
- 'Ograve': chr(210), # capital O, grave accent
- 'Oacute': chr(211), # capital O, acute accent
- 'Ocirc': chr(212), # capital O, circumflex accent
- 'Otilde': chr(213), # capital O, tilde
- 'Ouml': chr(214), # capital O, dieresis or umlaut mark
- 'times': chr(215), # multiply sign
- 'Oslash': chr(216), # capital O, slash
- 'Ugrave': chr(217), # capital U, grave accent
- 'Uacute': chr(218), # capital U, acute accent
- 'Ucirc': chr(219), # capital U, circumflex accent
- 'Uuml': chr(220), # capital U, dieresis or umlaut mark
- 'Yacute': chr(221), # capital Y, acute accent
- 'THORN': chr(222), # capital THORN, Icelandic
- 'szlig': chr(223), # small sharp s, German (sz ligature)
- 'agrave': chr(224), # small a, grave accent
- 'aacute': chr(225), # small a, acute accent
- 'acirc': chr(226), # small a, circumflex accent
- 'atilde': chr(227), # small a, tilde
- 'auml': chr(228), # small a, dieresis or umlaut mark
- 'aring': chr(229), # small a, ring
- 'aelig': chr(230), # small ae diphthong (ligature)
- 'ccedil': chr(231), # small c, cedilla
- 'egrave': chr(232), # small e, grave accent
- 'eacute': chr(233), # small e, acute accent
- 'ecirc': chr(234), # small e, circumflex accent
- 'euml': chr(235), # small e, dieresis or umlaut mark
- 'igrave': chr(236), # small i, grave accent
- 'iacute': chr(237), # small i, acute accent
- 'icirc': chr(238), # small i, circumflex accent
- 'iuml': chr(239), # small i, dieresis or umlaut mark
- 'eth': chr(240), # small eth, Icelandic
- 'ntilde': chr(241), # small n, tilde
- 'ograve': chr(242), # small o, grave accent
- 'oacute': chr(243), # small o, acute accent
- 'ocirc': chr(244), # small o, circumflex accent
- 'otilde': chr(245), # small o, tilde
- 'ouml': chr(246), # small o, dieresis or umlaut mark
- 'divide': chr(247), # divide sign
- 'oslash': chr(248), # small o, slash
- 'ugrave': chr(249), # small u, grave accent
- 'uacute': chr(250), # small u, acute accent
- 'ucirc': chr(251), # small u, circumflex accent
- 'uuml': chr(252), # small u, dieresis or umlaut mark
- 'yacute': chr(253), # small y, acute accent
- 'thorn': chr(254), # small thorn, Icelandic
- 'yuml': chr(255), # small y, dieresis or umlaut mark
+ 'AElig': '\306', # latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1
+ 'Aacute': '\301', # latin capital letter A with acute, U+00C1 ISOlat1
+ 'Acirc': '\302', # latin capital letter A with circumflex, U+00C2 ISOlat1
+ 'Agrave': '\300', # latin capital letter A with grave = latin capital letter A grave, U+00C0 ISOlat1
+ 'Alpha': 'Α', # greek capital letter alpha, U+0391
+ 'Aring': '\305', # latin capital letter A with ring above = latin capital letter A ring, U+00C5 ISOlat1
+ 'Atilde': '\303', # latin capital letter A with tilde, U+00C3 ISOlat1
+ 'Auml': '\304', # latin capital letter A with diaeresis, U+00C4 ISOlat1
+ 'Beta': 'Β', # greek capital letter beta, U+0392
+ 'Ccedil': '\307', # latin capital letter C with cedilla, U+00C7 ISOlat1
+ 'Chi': 'Χ', # greek capital letter chi, U+03A7
+ 'Dagger': '‡', # double dagger, U+2021 ISOpub
+ 'Delta': 'Δ', # greek capital letter delta, U+0394 ISOgrk3
+ 'ETH': '\320', # latin capital letter ETH, U+00D0 ISOlat1
+ 'Eacute': '\311', # latin capital letter E with acute, U+00C9 ISOlat1
+ 'Ecirc': '\312', # latin capital letter E with circumflex, U+00CA ISOlat1
+ 'Egrave': '\310', # latin capital letter E with grave, U+00C8 ISOlat1
+ 'Epsilon': 'Ε', # greek capital letter epsilon, U+0395
+ 'Eta': 'Η', # greek capital letter eta, U+0397
+ 'Euml': '\313', # latin capital letter E with diaeresis, U+00CB ISOlat1
+ 'Gamma': 'Γ', # greek capital letter gamma, U+0393 ISOgrk3
+ 'Iacute': '\315', # latin capital letter I with acute, U+00CD ISOlat1
+ 'Icirc': '\316', # latin capital letter I with circumflex, U+00CE ISOlat1
+ 'Igrave': '\314', # latin capital letter I with grave, U+00CC ISOlat1
+ 'Iota': 'Ι', # greek capital letter iota, U+0399
+ 'Iuml': '\317', # latin capital letter I with diaeresis, U+00CF ISOlat1
+ 'Kappa': 'Κ', # greek capital letter kappa, U+039A
+ 'Lambda': 'Λ', # greek capital letter lambda, U+039B ISOgrk3
+ 'Mu': 'Μ', # greek capital letter mu, U+039C
+ 'Ntilde': '\321', # latin capital letter N with tilde, U+00D1 ISOlat1
+ 'Nu': 'Ν', # greek capital letter nu, U+039D
+ 'OElig': 'Œ', # latin capital ligature OE, U+0152 ISOlat2
+ 'Oacute': '\323', # latin capital letter O with acute, U+00D3 ISOlat1
+ 'Ocirc': '\324', # latin capital letter O with circumflex, U+00D4 ISOlat1
+ 'Ograve': '\322', # latin capital letter O with grave, U+00D2 ISOlat1
+ 'Omega': 'Ω', # greek capital letter omega, U+03A9 ISOgrk3
+ 'Omicron': 'Ο', # greek capital letter omicron, U+039F
+ 'Oslash': '\330', # latin capital letter O with stroke = latin capital letter O slash, U+00D8 ISOlat1
+ 'Otilde': '\325', # latin capital letter O with tilde, U+00D5 ISOlat1
+ 'Ouml': '\326', # latin capital letter O with diaeresis, U+00D6 ISOlat1
+ 'Phi': 'Φ', # greek capital letter phi, U+03A6 ISOgrk3
+ 'Pi': 'Π', # greek capital letter pi, U+03A0 ISOgrk3
+ 'Prime': '″', # double prime = seconds = inches, U+2033 ISOtech
+ 'Psi': 'Ψ', # greek capital letter psi, U+03A8 ISOgrk3
+ 'Rho': 'Ρ', # greek capital letter rho, U+03A1
+ 'Scaron': 'Š', # latin capital letter S with caron, U+0160 ISOlat2
+ 'Sigma': 'Σ', # greek capital letter sigma, U+03A3 ISOgrk3
+ 'THORN': '\336', # latin capital letter THORN, U+00DE ISOlat1
+ 'Tau': 'Τ', # greek capital letter tau, U+03A4
+ 'Theta': 'Θ', # greek capital letter theta, U+0398 ISOgrk3
+ 'Uacute': '\332', # latin capital letter U with acute, U+00DA ISOlat1
+ 'Ucirc': '\333', # latin capital letter U with circumflex, U+00DB ISOlat1
+ 'Ugrave': '\331', # latin capital letter U with grave, U+00D9 ISOlat1
+ 'Upsilon': 'Υ', # greek capital letter upsilon, U+03A5 ISOgrk3
+ 'Uuml': '\334', # latin capital letter U with diaeresis, U+00DC ISOlat1
+ 'Xi': 'Ξ', # greek capital letter xi, U+039E ISOgrk3
+ 'Yacute': '\335', # latin capital letter Y with acute, U+00DD ISOlat1
+ 'Yuml': 'Ÿ', # latin capital letter Y with diaeresis, U+0178 ISOlat2
+ 'Zeta': 'Ζ', # greek capital letter zeta, U+0396
+ 'aacute': '\341', # latin small letter a with acute, U+00E1 ISOlat1
+ 'acirc': '\342', # latin small letter a with circumflex, U+00E2 ISOlat1
+ 'acute': '\264', # acute accent = spacing acute, U+00B4 ISOdia
+ 'aelig': '\346', # latin small letter ae = latin small ligature ae, U+00E6 ISOlat1
+ 'agrave': '\340', # latin small letter a with grave = latin small letter a grave, U+00E0 ISOlat1
+ 'alefsym': 'ℵ', # alef symbol = first transfinite cardinal, U+2135 NEW
+ 'alpha': 'α', # greek small letter alpha, U+03B1 ISOgrk3
+ 'amp': '\46', # ampersand, U+0026 ISOnum
+ 'and': '∧', # logical and = wedge, U+2227 ISOtech
+ 'ang': '∠', # angle, U+2220 ISOamso
+ 'aring': '\345', # latin small letter a with ring above = latin small letter a ring, U+00E5 ISOlat1
+ 'asymp': '≈', # almost equal to = asymptotic to, U+2248 ISOamsr
+ 'atilde': '\343', # latin small letter a with tilde, U+00E3 ISOlat1
+ 'auml': '\344', # latin small letter a with diaeresis, U+00E4 ISOlat1
+ 'bdquo': '„', # double low-9 quotation mark, U+201E NEW
+ 'beta': 'β', # greek small letter beta, U+03B2 ISOgrk3
+ 'brvbar': '\246', # broken bar = broken vertical bar, U+00A6 ISOnum
+ 'bull': '•', # bullet = black small circle, U+2022 ISOpub
+ 'cap': '∩', # intersection = cap, U+2229 ISOtech
+ 'ccedil': '\347', # latin small letter c with cedilla, U+00E7 ISOlat1
+ 'cedil': '\270', # cedilla = spacing cedilla, U+00B8 ISOdia
+ 'cent': '\242', # cent sign, U+00A2 ISOnum
+ 'chi': 'χ', # greek small letter chi, U+03C7 ISOgrk3
+ 'circ': 'ˆ', # modifier letter circumflex accent, U+02C6 ISOpub
+ 'clubs': '♣', # black club suit = shamrock, U+2663 ISOpub
+ 'cong': '≅', # approximately equal to, U+2245 ISOtech
+ 'copy': '\251', # copyright sign, U+00A9 ISOnum
+ 'crarr': '↵', # downwards arrow with corner leftwards = carriage return, U+21B5 NEW
+ 'cup': '∪', # union = cup, U+222A ISOtech
+ 'curren': '\244', # currency sign, U+00A4 ISOnum
+ 'dArr': '⇓', # downwards double arrow, U+21D3 ISOamsa
+ 'dagger': '†', # dagger, U+2020 ISOpub
+ 'darr': '↓', # downwards arrow, U+2193 ISOnum
+ 'deg': '\260', # degree sign, U+00B0 ISOnum
+ 'delta': 'δ', # greek small letter delta, U+03B4 ISOgrk3
+ 'diams': '♦', # black diamond suit, U+2666 ISOpub
+ 'divide': '\367', # division sign, U+00F7 ISOnum
+ 'eacute': '\351', # latin small letter e with acute, U+00E9 ISOlat1
+ 'ecirc': '\352', # latin small letter e with circumflex, U+00EA ISOlat1
+ 'egrave': '\350', # latin small letter e with grave, U+00E8 ISOlat1
+ 'empty': '∅', # empty set = null set = diameter, U+2205 ISOamso
+ 'emsp': ' ', # em space, U+2003 ISOpub
+ 'ensp': ' ', # en space, U+2002 ISOpub
+ 'epsilon': 'ε', # greek small letter epsilon, U+03B5 ISOgrk3
+ 'equiv': '≡', # identical to, U+2261 ISOtech
+ 'eta': 'η', # greek small letter eta, U+03B7 ISOgrk3
+ 'eth': '\360', # latin small letter eth, U+00F0 ISOlat1
+ 'euml': '\353', # latin small letter e with diaeresis, U+00EB ISOlat1
+ 'euro': '€', # euro sign, U+20AC NEW
+ 'exist': '∃', # there exists, U+2203 ISOtech
+ 'fnof': 'ƒ', # latin small f with hook = function = florin, U+0192 ISOtech
+ 'forall': '∀', # for all, U+2200 ISOtech
+ 'frac12': '\275', # vulgar fraction one half = fraction one half, U+00BD ISOnum
+ 'frac14': '\274', # vulgar fraction one quarter = fraction one quarter, U+00BC ISOnum
+ 'frac34': '\276', # vulgar fraction three quarters = fraction three quarters, U+00BE ISOnum
+ 'frasl': '⁄', # fraction slash, U+2044 NEW
+ 'gamma': 'γ', # greek small letter gamma, U+03B3 ISOgrk3
+ 'ge': '≥', # greater-than or equal to, U+2265 ISOtech
+ 'gt': '\76', # greater-than sign, U+003E ISOnum
+ 'hArr': '⇔', # left right double arrow, U+21D4 ISOamsa
+ 'harr': '↔', # left right arrow, U+2194 ISOamsa
+ 'hearts': '♥', # black heart suit = valentine, U+2665 ISOpub
+ 'hellip': '…', # horizontal ellipsis = three dot leader, U+2026 ISOpub
+ 'iacute': '\355', # latin small letter i with acute, U+00ED ISOlat1
+ 'icirc': '\356', # latin small letter i with circumflex, U+00EE ISOlat1
+ 'iexcl': '\241', # inverted exclamation mark, U+00A1 ISOnum
+ 'igrave': '\354', # latin small letter i with grave, U+00EC ISOlat1
+ 'image': 'ℑ', # blackletter capital I = imaginary part, U+2111 ISOamso
+ 'infin': '∞', # infinity, U+221E ISOtech
+ 'int': '∫', # integral, U+222B ISOtech
+ 'iota': 'ι', # greek small letter iota, U+03B9 ISOgrk3
+ 'iquest': '\277', # inverted question mark = turned question mark, U+00BF ISOnum
+ 'isin': '∈', # element of, U+2208 ISOtech
+ 'iuml': '\357', # latin small letter i with diaeresis, U+00EF ISOlat1
+ 'kappa': 'κ', # greek small letter kappa, U+03BA ISOgrk3
+ 'lArr': '⇐', # leftwards double arrow, U+21D0 ISOtech
+ 'lambda': 'λ', # greek small letter lambda, U+03BB ISOgrk3
+ 'lang': '〈', # left-pointing angle bracket = bra, U+2329 ISOtech
+ 'laquo': '\253', # left-pointing double angle quotation mark = left pointing guillemet, U+00AB ISOnum
+ 'larr': '←', # leftwards arrow, U+2190 ISOnum
+ 'lceil': '⌈', # left ceiling = apl upstile, U+2308 ISOamsc
+ 'ldquo': '“', # left double quotation mark, U+201C ISOnum
+ 'le': '≤', # less-than or equal to, U+2264 ISOtech
+ 'lfloor': '⌊', # left floor = apl downstile, U+230A ISOamsc
+ 'lowast': '∗', # asterisk operator, U+2217 ISOtech
+ 'loz': '◊', # lozenge, U+25CA ISOpub
+ 'lrm': '', # left-to-right mark, U+200E NEW RFC 2070
+ 'lsaquo': '‹', # single left-pointing angle quotation mark, U+2039 ISO proposed
+ 'lsquo': '‘', # left single quotation mark, U+2018 ISOnum
+ 'lt': '\74', # less-than sign, U+003C ISOnum
+ 'macr': '\257', # macron = spacing macron = overline = APL overbar, U+00AF ISOdia
+ 'mdash': '—', # em dash, U+2014 ISOpub
+ 'micro': '\265', # micro sign, U+00B5 ISOnum
+ 'middot': '\267', # middle dot = Georgian comma = Greek middle dot, U+00B7 ISOnum
+ 'minus': '−', # minus sign, U+2212 ISOtech
+ 'mu': 'μ', # greek small letter mu, U+03BC ISOgrk3
+ 'nabla': '∇', # nabla = backward difference, U+2207 ISOtech
+ 'nbsp': '\240', # no-break space = non-breaking space, U+00A0 ISOnum
+ 'ndash': '–', # en dash, U+2013 ISOpub
+ 'ne': '≠', # not equal to, U+2260 ISOtech
+ 'ni': '∋', # contains as member, U+220B ISOtech
+ 'not': '\254', # not sign, U+00AC ISOnum
+ 'notin': '∉', # not an element of, U+2209 ISOtech
+ 'nsub': '⊄', # not a subset of, U+2284 ISOamsn
+ 'ntilde': '\361', # latin small letter n with tilde, U+00F1 ISOlat1
+ 'nu': 'ν', # greek small letter nu, U+03BD ISOgrk3
+ 'oacute': '\363', # latin small letter o with acute, U+00F3 ISOlat1
+ 'ocirc': '\364', # latin small letter o with circumflex, U+00F4 ISOlat1
+ 'oelig': 'œ', # latin small ligature oe, U+0153 ISOlat2
+ 'ograve': '\362', # latin small letter o with grave, U+00F2 ISOlat1
+ 'oline': '‾', # overline = spacing overscore, U+203E NEW
+ 'omega': 'ω', # greek small letter omega, U+03C9 ISOgrk3
+ 'omicron': 'ο', # greek small letter omicron, U+03BF NEW
+ 'oplus': '⊕', # circled plus = direct sum, U+2295 ISOamsb
+ 'or': '∨', # logical or = vee, U+2228 ISOtech
+ 'ordf': '\252', # feminine ordinal indicator, U+00AA ISOnum
+ 'ordm': '\272', # masculine ordinal indicator, U+00BA ISOnum
+ 'oslash': '\370', # latin small letter o with stroke, = latin small letter o slash, U+00F8 ISOlat1
+ 'otilde': '\365', # latin small letter o with tilde, U+00F5 ISOlat1
+ 'otimes': '⊗', # circled times = vector product, U+2297 ISOamsb
+ 'ouml': '\366', # latin small letter o with diaeresis, U+00F6 ISOlat1
+ 'para': '\266', # pilcrow sign = paragraph sign, U+00B6 ISOnum
+ 'part': '∂', # partial differential, U+2202 ISOtech
+ 'permil': '‰', # per mille sign, U+2030 ISOtech
+ 'perp': '⊥', # up tack = orthogonal to = perpendicular, U+22A5 ISOtech
+ 'phi': 'φ', # greek small letter phi, U+03C6 ISOgrk3
+ 'pi': 'π', # greek small letter pi, U+03C0 ISOgrk3
+ 'piv': 'ϖ', # greek pi symbol, U+03D6 ISOgrk3
+ 'plusmn': '\261', # plus-minus sign = plus-or-minus sign, U+00B1 ISOnum
+ 'pound': '\243', # pound sign, U+00A3 ISOnum
+ 'prime': '′', # prime = minutes = feet, U+2032 ISOtech
+ 'prod': '∏', # n-ary product = product sign, U+220F ISOamsb
+ 'prop': '∝', # proportional to, U+221D ISOtech
+ 'psi': 'ψ', # greek small letter psi, U+03C8 ISOgrk3
+ 'quot': '\42', # quotation mark = APL quote, U+0022 ISOnum
+ 'rArr': '⇒', # rightwards double arrow, U+21D2 ISOtech
+ 'radic': '√', # square root = radical sign, U+221A ISOtech
+ 'rang': '〉', # right-pointing angle bracket = ket, U+232A ISOtech
+ 'raquo': '\273', # right-pointing double angle quotation mark = right pointing guillemet, U+00BB ISOnum
+ 'rarr': '→', # rightwards arrow, U+2192 ISOnum
+ 'rceil': '⌉', # right ceiling, U+2309 ISOamsc
+ 'rdquo': '”', # right double quotation mark, U+201D ISOnum
+ 'real': 'ℜ', # blackletter capital R = real part symbol, U+211C ISOamso
+ 'reg': '\256', # registered sign = registered trade mark sign, U+00AE ISOnum
+ 'rfloor': '⌋', # right floor, U+230B ISOamsc
+ 'rho': 'ρ', # greek small letter rho, U+03C1 ISOgrk3
+ 'rlm': '', # right-to-left mark, U+200F NEW RFC 2070
+ 'rsaquo': '›', # single right-pointing angle quotation mark, U+203A ISO proposed
+ 'rsquo': '’', # right single quotation mark, U+2019 ISOnum
+ 'sbquo': '‚', # single low-9 quotation mark, U+201A NEW
+ 'scaron': 'š', # latin small letter s with caron, U+0161 ISOlat2
+ 'sdot': '⋅', # dot operator, U+22C5 ISOamsb
+ 'sect': '\247', # section sign, U+00A7 ISOnum
+ 'shy': '\255', # soft hyphen = discretionary hyphen, U+00AD ISOnum
+ 'sigma': 'σ', # greek small letter sigma, U+03C3 ISOgrk3
+ 'sigmaf': 'ς', # greek small letter final sigma, U+03C2 ISOgrk3
+ 'sim': '∼', # tilde operator = varies with = similar to, U+223C ISOtech
+ 'spades': '♠', # black spade suit, U+2660 ISOpub
+ 'sub': '⊂', # subset of, U+2282 ISOtech
+ 'sube': '⊆', # subset of or equal to, U+2286 ISOtech
+ 'sum': '∑', # n-ary sumation, U+2211 ISOamsb
+ 'sup': '⊃', # superset of, U+2283 ISOtech
+ 'sup1': '\271', # superscript one = superscript digit one, U+00B9 ISOnum
+ 'sup2': '\262', # superscript two = superscript digit two = squared, U+00B2 ISOnum
+ 'sup3': '\263', # superscript three = superscript digit three = cubed, U+00B3 ISOnum
+ 'supe': '⊇', # superset of or equal to, U+2287 ISOtech
+ 'szlig': '\337', # latin small letter sharp s = ess-zed, U+00DF ISOlat1
+ 'tau': 'τ', # greek small letter tau, U+03C4 ISOgrk3
+ 'there4': '∴', # therefore, U+2234 ISOtech
+ 'theta': 'θ', # greek small letter theta, U+03B8 ISOgrk3
+ 'thetasym': 'ϑ', # greek small letter theta symbol, U+03D1 NEW
+ 'thinsp': ' ', # thin space, U+2009 ISOpub
+ 'thorn': '\376', # latin small letter thorn with, U+00FE ISOlat1
+ 'tilde': '˜', # small tilde, U+02DC ISOdia
+ 'times': '\327', # multiplication sign, U+00D7 ISOnum
+ 'trade': '™', # trade mark sign, U+2122 ISOnum
+ 'uArr': '⇑', # upwards double arrow, U+21D1 ISOamsa
+ 'uacute': '\372', # latin small letter u with acute, U+00FA ISOlat1
+ 'uarr': '↑', # upwards arrow, U+2191 ISOnum
+ 'ucirc': '\373', # latin small letter u with circumflex, U+00FB ISOlat1
+ 'ugrave': '\371', # latin small letter u with grave, U+00F9 ISOlat1
+ 'uml': '\250', # diaeresis = spacing diaeresis, U+00A8 ISOdia
+ 'upsih': 'ϒ', # greek upsilon with hook symbol, U+03D2 NEW
+ 'upsilon': 'υ', # greek small letter upsilon, U+03C5 ISOgrk3
+ 'uuml': '\374', # latin small letter u with diaeresis, U+00FC ISOlat1
+ 'weierp': '℘', # script capital P = power set = Weierstrass p, U+2118 ISOamso
+ 'xi': 'ξ', # greek small letter xi, U+03BE ISOgrk3
+ 'yacute': '\375', # latin small letter y with acute, U+00FD ISOlat1
+ 'yen': '\245', # yen sign = yuan sign, U+00A5 ISOnum
+ 'yuml': '\377', # latin small letter y with diaeresis, U+00FF ISOlat1
+ 'zeta': 'ζ', # greek small letter zeta, U+03B6 ISOgrk3
+ 'zwj': '', # zero width joiner, U+200D NEW RFC 2070
+ 'zwnj': '', # zero width non-joiner, U+200C NEW RFC 2070
+
}