	'+':		(397,508),
	'-':		(374,508),
	'*':		(298,508),
	'/':		(203,508),
	'^':		(0,0),
	'_':		(0,0),
	'=':		(374,508),
	'<>':		(374,508),
	'<':		(379,508),
	'(':		(349,508),		# is for ( and )
	')':		(0,508),		# allowed for in (
	'[':		(336,508),
	']':		(0,508),
	'[[':		(395,508),
	']]':		(0,508),
	'`':		(145,508),
	'~':		(271,508),
	'abs':		(193,512),
	'acute':	(0,0),		# some attributes contribute nothing
	'aleph':	(397,526),
	'alignl':	(0,0),
	'alignr':	(0,0),
	'and':		(373,508),
	'approx':	(379,508),
	'arccos':	(1197,517),
	'arcosh':	(1232,517),
	'arccot':	(1167,517),
	'arcoth':	(1186,517),
	'arcsin':	(1137,517),
	'arsinh':	(1161,517),
	'arctan':	(1160,517),
	'artanh':	(1186,517),
	'bar':		(0,0),
	'bold':		(1.0766,0),	# 1.0766 is a scale factor
	'breve':	(0,0),
	'cdot':		(157,508),
	'check':	(0,0),
	'circ':		(269,508),
	'circle':	(0,0),
	'coprod':	(685,800),
	'cos':		(553,517),
	'cosh':		(907,517),
	'cot':		(654,517),
	'coth':		(860,517),
	'csub':		(0,200),
	'csup':		(0,200),
	'div':		(375,508),
	'divides':	(120,508),
	'dlarrow':	(441,508),
	'dlrarrow':	(488,508),
	'dot':		(0,0),
	'ddot':		(0,0),
	'dddot':	(0,0),
	'dotsaxis':	(421,508),
	'dotsdown':	(339,508),
	'dotslow':	(420,508),
	'dotsup':	(339,508),
	'dotsvert':	(144,508),
	'downarrow':	(251,508),
	'emptyset':	(423,526),
	'equiv':	(379,508),
	'exists':	(314,508),
	'exp':		(735,517),
	'fact':		(172,508),
	'forall':	(439,508),
	'grave':	(0,0),
	'hat':		(0,0),
	'hbar':		(280,526),
	'iint':		(600,637),
	'iiint':	(773,637),
	'Im':		(358,526),
	'in':		(355,508),
	'infinity':	(371,508),
	'int':		(430,637),
	'intersection':	(374,508),
	'ital':		(0,0),
	'lambdabar':	(299,526),
	'langle':	(410,508),
	'lbrace':	(410,508),
	'lceil':	(336,508),
	'ldline':	(406,508),
	'left (':	(400,0),		# height is variable
	'left [':	(279,0),
	'left langle':	(357,0),
	'left lbrace':	(300,0),
	'left lceil':   (279,0),
	'left ldbracket':  (340,0),
	'left ldline':	(345,0),
	'left ldline':	(279,0),
	'left lline':	(173,0),
	'leftarrow':	(415,508),
	'leslant':	(379,508),
	'lfloor':	(336,508),
	'lim':		(742,517),
	'lint':		(452,637),
	'lline':	(234,508),
	'llint':	(624,637),
	'lllint':	(795,637),
	'ln':		(461,517),
	'log':		(662,517),
	'nabla':	(447,508),
	'neg':		(334,508),
	'nsubset':	(374,508),
	'nsubseteq':	(374,508),
	'nsupset':	(375,508),
	'nsupseteq':	(375,508),
	'ndivides':	(271,515),
	'notin':	(355,508),
	'or':		(373,508),
	'ortho':	(390,508),
	'over':		(0,100),	# width determined by other elements
	'overline':	(0,0),
	'overstrike':	(0,0),
	'owns':		(355,508),
	'parallel':	(222,508),
	'partial':	(284,508),
	'phantom':	(0,0),
	'prod':		(685,800),
	'prop':		(388,508),
	'rangle':	(0,508),
	'rbrace':	(0,508),
	'rceil':	(0,508),
	'rdline':	(0,508),
	'Re':		(409,526),
	'rfloor':	(0,508),
	'right )':	(0,0),
	'right ]':	(0,0),
	'right rangle':	(0,0),
	'right rbrace':	(0,0),
	'right rceil':	(0,0),
	'right rdbracket': (0,0),
	'right rdline':	(0,0),
	'right rfloor':	(0,0),
	'right rline':	(0,0),
	'rightarrow':	(416,526),
	'rline':	(0,508),
	'setC':		(339,526),
	'setminus':	(295,508),
	'setN':		(386,526),
	'setQ':		(372,526),
	'setR':		(375,526),
	'setZ':		(409,526),
	'sim':		(376,508),
	'simeq':	(379,508),
	'sin':		(513,517),
	'sinh':		(825,517),
	'slash':	(203,508),
	'sqrt':		(324,547),
	'subset':	(374,508),
	'subseteq':	(374,508),
	'sum':		(620,700),
	'supset':	(375,508),
	'supseteq':	(375,508),
	'tan':		(521,517),
	'tanh':		(865,517),
	'tilde':	(0,0),
	'times':	(374,508),
	'toward':	(460,508),
	'underline':	(0,0),
	'union':	(374,508),
	'uparrow':	(251,508),
	'vec':		(2,0),
	'widebslash':	(70,1000),
	'widehat':	(0,0),
	'wideslash':	(70,1000),
	'widetilde':	(0,0),
	'widevec':	(0,0),
	'wp':		(400,526)

