# syms.roff -- special characters for roff
# $Id$
# Carlos Duarte <cgd@teleweb.pt>, 980626

.nf
#char	name		[ascii aproximation / notes]

# greek 
\(*A	Alpha
\(*B	Beta
\(*C	Xi
\(*D	Delta
\(*E	Epsilon
\(*F	Phi
\(*G	Gamma
\(*H	Theta
\(*I	Iota
\(*K	Kappa
\(*L	Lambda
\(*M	Mu
\(*N	Nu
\(*O	Omicron
\(*P	Pi
\(*Q	Psi
\(*R	Rho
\(*S	Sigma
\(*T	Tau
\(*U	Upsilon
\(*W	Omega
\(*X	Chi
\(*Y	Eta
\(*Z	Zeta
\(*a	alpha
\(*b	beta
\(*c	xi
\(*d	delta
\(*e	epsilon
\(*f	phi
\(*g	gamma
\(*h	theta
\(*i	iota
\(*k	kappa
\(*l	lambda
\(*m	mu
\(*n	nu
\(*o	omicron
\(*p	pi
\(*q	psi
\(*r	rho
\(*s	sigma
\(*t	tau
\(*u	upsilon
\(*w	omega
\(*x	chi
\(*y	eta
\(*z	zeta
\(ts	terminal sigma

# accents, ceddillas, ...
\(,C	Ccedilla
\(,c	ccedilla
\(-D	Icelandic uppercase Eth
\(Sd	Icelandic lowercase eth
\(TP	Icelandic uppercase Thorn
\(Tp	Icelandic lowercase thorn
\(.i	dotlessi 			i without a dot
\(.j	dotlessj 			j without a dot
\(oA	Aring
\(oa	aring
\('A	Aacute
\('E	Eacute
\('I	Iacute
\('O	Oacute
\('U	Uacute
\('a	aacute
\('e	eacute
\('i	iacute
\('o	oacute
\('u	uacute
\(`A	Agrave
\(`E	Egrave
\(`I	Igrave
\(`O	Ograve
\(`U	Ugrave
\(`a	agrave
\(`e	egrave
\(`i	igrave
\(`o	ograve
\(`u	ugrave
\(^A	Acircumflex
\(^E	Ecircumflex
\(^I	Icircumflex
\(^O	Ocircumflex
\(^U	Ucircumflex
\(^a	acircumflex
\(^e	ecircumflex
\(^i	icircumflex
\(^o	ocircumflex
\(^u	ucircumflex
\(~A	Atilde
\(~N	Ntilde
\(~O	Otilde
\(~a	atilde
\(~n	ntilde
\(~o	otilde
\(:A	Adieresis
\(:E	Edieresis
\(:I	Idieresis
\(:O	Odieresis
\(:U	Udieresis
\(:a	adieresis
\(:e	edieresis
\(:i	idieresis
\(:o	odieresis
\(:u	udieresis
\(:y	ydieresis
\(AE	AE
\(ae	ae
\(OE	OE
\(oe	oe
\(/O	Oslash
\(/o	oslash

# fractions
\(12	onehalf				1/2
\(13	onethird			1/3
\(14	onequarter			1/4
\(18	oneeigth			1/8
\(23	twothirds			2/3
\(34	threequarters			3/4
\(38	threeeights			3/8
\(58	fiveeights			5/8
\(78	seveneights			7/8

# graphics syms
\(ba	bar				|
\(bb	brokenbar			| 
\(br	box vertical rule		|
\(bv	bold vertical			|
\(ru	baseline rule			_
\(ul	underrule			_

# arrows
\(<-	left arrow			<-
\(->	right arrow			->
\(<>	arrowboth 			<->
\(an	horizontal arrow extension 	-
\(ua	up arrow			^
\(da	down arrow			v
\(rA	arrowdblright			=>
\(lA	arrowdblleft			<=
\(hA	arrowdblboth 			<=>

# maths, relationships and operators
\(<=	lessequal			<=
\(>=	greaterequal			>=
\(==	identically equal		= (= with - on top)
\(=~	congruent			= (= with ~ on top)
\(ap	approximates, similar		~
\(~=	approx equal 			~ (with another ~ on top)
\(!=	not equal			!=
\(eq	math equal sign
\(+-	plus-minus
\(mi	math minus			-
\(pl	math plus
\(di	division sign
\(f/	fraction bar for fractions	/
\(mu	multiply			x
\(md	dotmath				.
\(gr	gradient
\(is	integral sign
\(pd	partial derivative

# maths, sets 
\(ca	cap (intersection)
\(cu	cup (union)
\(es	empty set
\(ib	improper subset (belongs to, or equivs)
\(ip	improper superset (contains, or equivs)
\(mo	member of
\(sb	subset of
\(sp	superset of

# maths, theory
\(if	infinity
\(fa	universal			V
\(no	logicalnot
\(or	logicalor
\(pt	proportional to
\(te	existential (there exists)
\(tf	therefore
\(**	math star

# maths, graphics
\(lB	bracketleft			[
\(rB	bracketright			]
\(lC	braceleft			{
\(rC	braceright			}
\(la	left angle bracket		<
\(ra	angleright 			>
\(lb	left bottom of big {
\(lk	left center of big {
\(lt	left top of big {
\(rb	right bottom of }
\(rk	right center of }
\(rt	right top of }
\(lc	left ceiling (top of big [ )
\(lf	left floor (bottom of big [ )
\(rc	right ceiling (top of big [ )
\(rf	right floor (bottom of big [ )
\(sr	square root
\(rn	root en extender

# punctuation and misc symbols 
\(r!	exclamdown
\(r?	questiondown
\(sl	slash 				/
\(rs	backslash (match with slash)	\
\(de	degree
\(Of	ordfeminine
\(Om	ordmasculine
\(S1	onesuperior
\(S2	twosuperior
\(S3	threesuperior
\(at	at				@
\(Po	sterling
\(sh	numbersign			#
\(Do	dollar				$
\(sc	section
\(fm	minute (footmark)		'
\(sd	second				''
\(ci	circle				O
\(sq	square				[]
\(Fo	guillemotleft			<<
\(Fc	guillemotright			>>
\(fo	guilsinglleft			<
\(fc	guilsinglright			>
\(dg	dagger
\(dd	double dagger
\(co	copyright
\(rg	registered
\(tm	trademark serif
\(bu	bullet				.
\(ps	paragraph
\(Ye	yen
\(ct	cent sign
\(bs	Bell System logo (typesetter-dependent)
\(hy	hyphen				-
\(en	en dash				-
\(em	em dash				--
\(pp	perpendicular
\(ss	german dbls

# special symbols
\(lh	handleft
\(rh	handright
\(AL	apple
\(Cc	club
\(Cd	diamond
\(Ch	heart
\(Cs	spade
\(OK	ok, check mark

# accents and quotes
\(a"	Hungarian umlaut
\(a-	macron or bar accent
\(a.	dot accent
\(a^	circumflex accent
\(aa	acute accent
\(ga	grave accent			`
\(ac	cedilla accent
\(ao	ring or circle accent
\(a~	tilde accent
\(ab 	breve accent
\(ad	dieresis umlaut or dieresis
\(ah	havcek accent
\(ho	hook or ogonek accent
\(lq	left quotedbl			"
\(rq	right quotedbl			"
\(oq	single open quote		`
\(aq	apostrophe quote		'
\(bq	quotesinglbase			low single comma quote

# some special interpreted chars
^	circumflex accent
\(ha	ASCII circumflex, hat, caret	^
~	tilde accent
\(ti	ASCII tilde, large tilde	~
`	single open quote 
\`	acute apostrophe
\&'	single close quote
\'	grave apostrophe
\-	current font minus		-
-	hyphen				-
\_	underscore on current font
_	underscore