===================================================================
RCS file: /cvs/mandoc/mandoc_char.7,v
retrieving revision 1.4
retrieving revision 1.21
diff -u -p -r1.4 -r1.21
--- mandoc/mandoc_char.7	2009/04/12 19:45:26	1.4
+++ mandoc/mandoc_char.7	2009/09/23 09:06:44	1.21
@@ -1,6 +1,6 @@
-.\"	$Id: mandoc_char.7,v 1.4 2009/04/12 19:45:26 kristaps Exp $
+.\"	$Id: mandoc_char.7,v 1.21 2009/09/23 09:06:44 kristaps Exp $
 .\"
-.\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+.\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
 .\"
 .\" Permission to use, copy, modify, and distribute this software for any
 .\" purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\" 
-.Dd $Mdocdate: April 12 2009 $
+.Dd $Mdocdate: September 23 2009 $
 .Dt MANDOC_CHAR 7
 .Os
 .\" SECTION
@@ -23,7 +23,7 @@
 .Nd mandoc special characters
 .\" SECTION
 .Sh DESCRIPTION
-This documents the special characters accepted by 
+This documents the special characters and predefined strings accepted by 
 .Xr mandoc 1
 to format
 .Xr mdoc 7
@@ -34,441 +34,496 @@ documents.  Specific output devices of
 dictated by the
 .Fl T Ns Ar output
 argument, will properly render these sequences.
+.\" PARAGRAPH
 .Pp
 Both
 .Xr mdoc 7
 and
 .Xr man 7
-encode special characters with slightly different semantics; consult the
-respective manuals for these escapes.
+encode special characters with 
+.Sq \eX
+.Pq for a one-character escape ,
+.Sq \e(XX
+.Pq two-character ,
+and
+.Sq \e[N]
+.Pq N-character .
+One may generalise
+.Sq \e(XX
+as
+.Sq \e[XX]
+and
+.Sq \eX
+as
+.Sq \e[X] .
+Predefined strings are functionally similar to special characters, using 
+.Sq \e*X
+.Pq for a one-character escape ,
+.Sq \e*(XX
+.Pq two-character ,
+and
+.Sq \e*[N]
+.Pq N-character .
+One may generalise
+.Sq \e*(XX
+as
+.Sq \e*[XX]
+and
+.Sq \e*X
+as
+.Sq \e*[X] .
+.\" SECTION
+.Sh Special Characters
+These are the preferred input symbols for producing special characters.
+.\" PARAGRAPH
 .Pp
-Grammatic:
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e(em
-.Pq em-dash
-.It \e(en
-.Pq en-dash
-.It \e-
-.Pq hyphen
-.It \e\e
-.Pq back-slash
-.It \e'
-.Pq apostrophe
-.It \e`
-.Pq back-tick
+Typographic:
+.Bl -tag -width Ds -offset indent -compact
+.It \e~
+.Pq non-breaking space
 .It \e
 .Pq space
-.It \e.
-.Pq period
-.It \e(r!
-.Pq upside-down exclamation
-.It \e(r?
-.Pq upside-down question
+.It \e^
+.Pq zero-width space
+.It \e%
+.Pq zero-width space
+.It \e&
+.Pq zero-width space
+.It \e|
+.Pq zero-width space
+.It \e0
+.Pq white-space
 .El
 .\" PARAGRAPH
 .Pp
-Enclosures:
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e(lh
-.Pq left hand
-.It \e(rh
-.Pq right hand
-.It \e(Fo
-.Pq left guillemet
-.It \e(Fc
-.Pq right guillemet
-.It \e(fo
-.Pq left guilsing
-.It \e(fc
-.Pq right guilsing
-.It \e(rC
-.Pq right brace
-.It \e(lC
-.Pq left brace
-.It \e(ra
-.Pq right angle
-.It \e(la
-.Pq left angle
-.It \e(rB
-.Pq right bracket
-.It \e(lB
-.Pq left bracket
-.It \eq
-.Pq double-quote
-.It \e(lq
-.Pq left double-quote
-.It \e(Lq
-.Pq left double-quote, deprecated
-.It \e(rq
-.Pq right double-quote
-.It \e(Rq
-.Pq right double-quote, deprecated
-.It \e(oq
-.Pq left single-quote
-.It \e(aq
-.Pq right single-quote
-.It \e(Bq
-.Pq right low double-quote
-.It \e(bq
-.Pq right low single-quote
+Grammatic:
+.Bl -offset indent -column 10n 10n 10n
+.It \e(em      Ta \(em     Ta em-dash
+.It \e(en      Ta \(en     Ta en-dash
+.It \e(hy      Ta \(hy     Ta hyphen
+.It \e\e       Ta \\       Ta back-slash
+.It \\e        Ta \e       Ta back-slash
+.It \e'        Ta \'       Ta apostrophe
+.It \e`        Ta \`       Ta back-tick
+.It \e.        Ta \.       Ta period
+.It \e(r!      Ta \(r!     Ta upside-down exclamation
+.It \e(r?      Ta \(r?     Ta upside-down question
 .El
 .\" PARAGRAPH
 .Pp
-Indicatives:
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e(<-
-.Pq left arrow
-.It \e(->
-.Pq right arrow
-.It \e(ua
-.Pq up arrow
-.It \e(da
-.Pq down arrow
-.It \e(<>
-.Pq left-right arrow
-.It \e(lA
-.Pq left double-arrow
-.It \e(rA
-.Pq right double-arrow
-.It \e(uA
-.Pq up double-arrow
-.It \e(dA
-.Pq down double-arrow
-.It \e(hA
-.Pq left-right double-arrow
+Quotes:
+.Bl -offset indent -column 10n 10n 10n
+.It \e(Bq      Ta \(Bq     Ta right low double-quote
+.It \e(bq      Ta \(bq     Ta right low single-quote
+.It \e(lq      Ta \(lq     Ta left double-quote
+.It \e(rq      Ta \(rq     Ta right double-quote
+.It \e(oq      Ta \(oq     Ta left single-quote
+.It \e(cq      Ta \(cq     Ta right single-quote
+.It \e(aq      Ta \(aq     Ta apostrophe quote (text)
+.It \e(dq      Ta \(dq     Ta double quote (text)
+.It \e(Fo      Ta \(Fo     Ta left guillemet
+.It \e(Fc      Ta \(Fc     Ta right guillemet
+.It \e(fo      Ta \(fo     Ta left single guillemet
+.It \e(fc      Ta \(fc     Ta right single guillemet
 .El
 .\" PARAGRAPH
 .Pp
+Brackets:
+.Bl -offset indent -column 10n 10n 10n
+.It \e(lB      Ta \(lB     Ta left bracket
+.It \e(rB      Ta \(rB     Ta right bracket
+.It \e(lC      Ta \(lC     Ta left brace
+.It \e(rC      Ta \(rC     Ta right brace
+.It \e(la      Ta \(la     Ta left angle
+.It \e(ra      Ta \(ra     Ta right angle
+.It \e(bv      Ta \(bv     Ta brace extension
+.It \e[braceex] Ta \[braceex] Ta brace extension
+.It \e[bracketlefttp] Ta \[bracketlefttp] Ta top-left hooked bracket
+.It \e[bracketleftbp] Ta \[bracketleftbp] Ta bottom-left hooked bracket
+.It \e[bracketleftex] Ta \[bracketleftex] Ta left hooked bracket extension
+.It \e[bracketrighttp] Ta \[bracketrighttp] Ta top-right hooked bracket
+.It \e[bracketrightbp] Ta \[bracketrightbp] Ta bottom-right hooked bracket
+.It \e[bracketrightex] Ta \[bracketrightex] Ta right hooked bracket extension
+.It \e(lt      Ta \(lt     Ta top-left hooked brace
+.It \e[bracelefttp] Ta \[bracelefttp] Ta top-left hooked brace
+.It \e(lk      Ta \(lk     Ta mid-left hooked brace
+.It \e[braceleftmid] Ta \[braceleftmid] Ta mid-left hooked brace
+.It \e(lb      Ta \(lb     Ta bottom-left hooked brace
+.It \e[braceleftbp] Ta \[braceleftbp] Ta bottom-left hooked brace
+.It \e[braceleftex] Ta \[braceleftex] Ta left hooked brace extension
+.It \e(rt      Ta \(rt     Ta top-left hooked brace
+.It \e[bracerighttp] Ta \[bracerighttp] Ta top-right hooked brace
+.It \e(rk      Ta \(rk     Ta mid-right hooked brace
+.It \e[bracerightmid] Ta \[bracerightmid] Ta mid-right hooked brace
+.It \e(rb      Ta \(rb     Ta bottom-right hooked brace
+.It \e[bracerightbp] Ta \[bracerightbp] Ta bottom-right hooked brace
+.It \e[bracerightex] Ta \[bracerightex] Ta right hooked brace extension
+.It \e[parenlefttp] Ta \[parenlefttp] Ta top-left hooked parenthesis
+.It \e[parenleftbp] Ta \[parenleftbp] Ta bottom-left hooked parenthesis
+.It \e[parenleftex] Ta \[parenleftex] Ta left hooked parenthesis extension
+.It \e[parenrighttp] Ta \[parenrighttp] Ta top-right hooked parenthesis
+.It \e[parenrightbp] Ta \[parenrightbp] Ta bottom-right hooked parenthesis
+.It \e[parenrightex] Ta \[parenrightex] Ta right hooked parenthesis extension
+.El
+.\" PARAGRAPH
+.Pp
+Arrows:
+.Bl -offset indent -column 10n 10n 10n
+.It \e(<-      Ta \(<-     Ta left arrow
+.It \e(->      Ta \(->     Ta right arrow
+.It \e(<>      Ta \(<>     Ta left-right arrow
+.It \e(da      Ta \(da     Ta down arrow
+.It \e(ua      Ta \(ua     Ta up arrow
+.It \e(va      Ta \(va     Ta up-down arrow
+.It \e(lA      Ta \(lA     Ta left double-arrow
+.It \e(rA      Ta \(rA     Ta right double-arrow
+.It \e(hA      Ta \(hA     Ta left-right double-arrow
+.It \e(uA      Ta \(uA     Ta up double-arrow
+.It \e(dA      Ta \(dA     Ta down double-arrow
+.It \e(vA      Ta \(vA     Ta up-down double-arrow
+.El
+.\" PARAGRAPH
+.Pp
+Logical:
+.Bl -offset indent -column 10n 10n 10n
+.It \e(AN      Ta \(AN     Ta logical and
+.It \e(OR      Ta \(OR     Ta logical or
+.It \e(no      Ta \(no     Ta logical not
+.It \e[tno]    Ta \[tno]   Ta logical not (text)
+.It \e(te      Ta \(te     Ta existential quantifier
+.It \e(fa      Ta \(fa     Ta universal quantifier
+.It \e(st      Ta \(st     Ta such that
+.It \e(tf      Ta \(tf     Ta therefore
+.It \e(3d      Ta \(3d     Ta therefore
+.It \e(or      Ta \(or     Ta bitwise or
+.El
+.\" PARAGRAPH
+.Pp
 Mathematical:
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e(es
-.Pq empty set
-.It \e(ca
-.Pq intersection
-.It \e(cu
-.Pq union
-.It \e(gr
-.Pq gradient
-.It \e(pd
-.Pq partial differential
-.It \e(ap
-.Pq similarity
-.It \e(=)
-.Pq proper superset
-.It \e((=
-.Pq proper subset
-.It \e(eq
-.Pq equals
-.It \e(di
-.Pq division
-.It \e(mu
-.Pq multiplication
-.It \e(pl
-.Pq addition
-.It \e(nm
-.Pq not element
-.It \e(mo
-.Pq element
-.It \e(Im
-.Pq imaginary
-.It \e(Re
-.Pq real
-.It \e(Ah
-.Pq aleph
-.It \e(te
-.Pq existential quantifier
-.It \e(fa
-.Pq universal quantifier
-.It \e(AN
-.Pq logical AND
-.It \e(OR
-.Pq logical OR
-.It \e(no
-.Pq logical NOT
-.It \e(st
-.Pq such that
-.It \e(tf
-.Pq therefore
-.It \e(~~
-.Pq approximate
-.It \e(~=
-.Pq approximately equals
-.It \e(=~
-.Pq congruent
-.It \e(Gt
-.Pq greater-than, deprecated
-.It \e(Lt
-.Pq less-than, deprecated
-.It \e(<=
-.Pq less-than-equal
-.It \e(Le
-.Pq less-than-equal, deprecated
-.It \e(>=
-.Pq greater-than-equal
-.It \e(Ge
-.Pq greater-than-equal
-.It \e(==
-.Pq equal
-.It \e(!=
-.Pq not equal
-.It \e(Ne
-.Pq not equal, deprecated
-.It \e(if
-.Pq infinity
-.It \e(If
-.Pq infinity, deprecated
-.It \e(na
-.Pq NaN , an extension
-.It \e(Na
-.Pq NaN, deprecated
-.It \e(+-
-.Pq plus-minus
-.It \e(Pm
-.Pq plus-minus, deprecated
-.It \e(**
-.Pq asterisk
+.Bl -offset indent -column 10n 10n 10n
+.It \e(pl      Ta \(pl     Ta plus
+.It \e(mi      Ta \(mi     Ta minus
+.It \e-        Ta \-       Ta minus (text)
+.It \e(-+      Ta \(-+     Ta minus-plus
+.It \e(+-      Ta \(+-     Ta plus-minus
+.It \e[t+-]    Ta \[t+-]   Ta plus-minus (text)
+.It \e(pc      Ta \(pc     Ta centre-dot
+.It \e(mu      Ta \(mu     Ta multiply
+.It \e[tmu]    Ta \[tmu]   Ta multiply (text)
+.It \e(c*      Ta \(c*     Ta circle-multiply
+.It \e(c+      Ta \(c+     Ta circle-plus
+.It \e(di      Ta \(di     Ta divide
+.It \e[tdi]    Ta \[tdi]   Ta divide (text)
+.It \e(f/      Ta \(f/     Ta fraction
+.It \e(**      Ta \(**     Ta asterisk
+.It \e(<=      Ta \(<=     Ta less-than-equal
+.It \e(>=      Ta \(>=     Ta greater-than-equal
+.It \e(<<      Ta \(<<     Ta much less
+.It \e(>>      Ta \(>>     Ta much greater
+.It \e(eq      Ta \(eq     Ta equal
+.It \e(!=      Ta \(!=     Ta not equal
+.It \e(==      Ta \(==     Ta equivalent
+.It \e(ne      Ta \(ne     Ta not equivalent
+.It \e(=~      Ta \(=~     Ta congruent
+.It \e(-~      Ta \(-~     Ta asymptotically congruent
+.It \e(ap      Ta \(ap     Ta asymptotically similar
+.It \e(~~      Ta \(~~     Ta approximately similar
+.It \e(~=      Ta \(~=     Ta approximately equal
+.It \e(pt      Ta \(pt     Ta proportionate
+.It \e(es      Ta \(es     Ta empty set
+.It \e(mo      Ta \(mo     Ta element
+.It \e(nm      Ta \(nm     Ta not element
+.It \e(sb      Ta \(sb     Ta proper subset
+.It \e(nb      Ta \(nb     Ta not subset
+.It \e(sp      Ta \(sp     Ta proper superset
+.It \e(nc      Ta \(nc     Ta not superset
+.It \e(ib      Ta \(ib     Ta reflexive subset
+.It \e(ip      Ta \(ip     Ta reflexive superset
+.It \e(ca      Ta \(ca     Ta intersection
+.It \e(cu      Ta \(cu     Ta union
+.It \e(/_      Ta \(/_     Ta angle
+.It \e(pp      Ta \(pp     Ta perpendicular
+.It \e(is      Ta \(is     Ta integral
+.It \e[integral] Ta \[integral] Ta integral
+.It \e[sum]    Ta \[sum]   Ta summation
+.It \e[product] Ta \[product] Ta product
+.It \e[coproduct] Ta \[coproduct] Ta coproduct
+.It \e(gr      Ta \(gr     Ta gradient
+.It \e(sr      Ta \(sr     Ta square root
+.It \e[sqrt]   Ta \[sqrt]  Ta square root
+.It \e(lc      Ta \(lc     Ta left-ceiling
+.It \e(rc      Ta \(rc     Ta right-ceiling
+.It \e(lf      Ta \(lf     Ta left-floor
+.It \e(rf      Ta \(rf     Ta right-floor
+.It \e(if      Ta \(if     Ta infinity
+.It \e(Ah      Ta \(Ah     Ta aleph
+.It \e(Im      Ta \(Im     Ta imaginary
+.It \e(Re      Ta \(Re     Ta real
+.It \e(pd      Ta \(pd     Ta partial differential
+.It \e(-h      Ta \(-h     Ta Planck constant over 2\(*p
 .El
 .\" PARAGRAPH
 .Pp
 Ligatures:
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e(ss
-.Pq German eszett
-.It \e(AE
-.Pq upper-case AE
-.It \e(ae
-.Pq lower-case AE
-.It \e(OE
-.Pq upper-case OE
-.It \e(oe
-.Pq lower-case OE
-.It \e(ff
-.Pq ff ligature
-.It \e(fi
-.Pq fi ligature
-.It \e(fl
-.Pq fl ligature
-.It \e(Fi
-.Pq ffi ligature
-.It \e(Fl
-.Pq ffl ligature
+.Bl -offset indent -column 10n 10n 10n
+.It \e(ff      Ta \(ff     Ta ff ligature
+.It \e(fi      Ta \(fi     Ta fi ligature
+.It \e(fl      Ta \(fl     Ta fl ligature
+.It \e(Fi      Ta \(Fi     Ta ffi ligature
+.It \e(Fl      Ta \(Fl     Ta ffl ligature
+.It \e(AE      Ta \(AE     Ta AE
+.It \e(ae      Ta \(ae     Ta ae
+.It \e(OE      Ta \(OE     Ta OE
+.It \e(oe      Ta \(oe     Ta oe
+.It \e(ss      Ta \(ss     Ta German eszett
+.It \e(IJ      Ta \(IJ     Ta IJ ligature
+.It \e(ij      Ta \(ij     Ta ij ligature
 .El
 .\" PARAGRAPH
 .Pp
-Diacritics and letters:
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e(ga
-.Pq grave accent
-.It \e(aa
-.Pq accute accent
-.It \e(a"
-.Pq umlaut accent
-.It \e(ad
-.Pq dieresis accent
-.It \e(a~
-.Pq tilde accent
-.It \e(a^
-.Pq circumflex accent
-.It \e(ac
-.Pq cedilla accent
-.It \e(ad
-.Pq dieresis accent
-.It \e(ah
-.Pq caron accent
-.It \e(ao
-.Pq ring accent
-.It \e(ho
-.Pq hook accent
-.It \e(ab
-.Pq breve accent
-.It \e(a-
-.Pq macron accent
-.It \e(-D
-.Pq upper-case eth
-.It \e(Sd
-.Pq lower-case eth
-.It \e(TP
-.Pq upper-case thorn
-.It \e(Tp
-.Pq lower-case thorn
-.It \e('A
-.Pq upper-case acute A
-.It \e('E
-.Pq upper-case acute E
-.It \e('I
-.Pq upper-case acute I
-.It \e('O
-.Pq upper-case acute O
-.It \e('U
-.Pq upper-case acute U
-.It \e('a
-.Pq lower-case acute a
-.It \e('e
-.Pq lower-case acute e
-.It \e('i
-.Pq lower-case acute i
-.It \e('o
-.Pq lower-case acute o
-.It \e('u
-.Pq lower-case acute u
-.It \e(`A
-.Pq upper-case grave A
-.It \e(`E
-.Pq upper-case grave E
-.It \e(`I
-.Pq upper-case grave I
-.It \e(`O
-.Pq upper-case grave O
-.It \e(`U
-.Pq upper-case grave U
-.It \e(`a
-.Pq lower-case grave a
-.It \e(`e
-.Pq lower-case grave e
-.It \e(`i
-.Pq lower-case grave i
-.It \e(`o
-.Pq lower-case grave o
-.It \e(`u
-.Pq lower-case grave u
-.It \e(~A
-.Pq upper-case tilde A
-.It \e(~N
-.Pq upper-case tilde N
-.It \e(~O
-.Pq upper-case tilde O
-.It \e(~a
-.Pq lower-case tilde a
-.It \e(~n
-.Pq lower-case tilde n
-.It \e(~o
-.Pq lower-case tilde o
-.It \e(:A
-.Pq upper-case dieresis A
-.It \e(:E
-.Pq upper-case dieresis E
-.It \e(:I
-.Pq upper-case dieresis I
-.It \e(:O
-.Pq upper-case dieresis O
-.It \e(:U
-.Pq upper-case dieresis U
-.It \e(:a
-.Pq lower-case dieresis a
-.It \e(:e
-.Pq lower-case dieresis e
-.It \e(:i
-.Pq lower-case dieresis i
-.It \e(:o
-.Pq lower-case dieresis o
-.It \e(:u
-.Pq lower-case dieresis u
-.It \e(:y
-.Pq lower-case dieresis y
-.It \e(^A
-.Pq upper-case circumflex A
-.It \e(^E
-.Pq upper-case circumflex E
-.It \e(^I
-.Pq upper-case circumflex I
-.It \e(^O
-.Pq upper-case circumflex O
-.It \e(^U
-.Pq upper-case circumflex U
-.It \e(^a
-.Pq lower-case circumflex a
-.It \e(^e
-.Pq lower-case circumflex e
-.It \e(^i
-.Pq lower-case circumflex i
-.It \e(^o
-.Pq lower-case circumflex o
-.It \e(^u
-.Pq lower-case circumflex u
-.It \e(,C
-.Pq upper-case cedilla C
-.It \e(,c
-.Pq lower-case cedilla c
-.It \e(/L
-.Pq upper-case stroke L
-.It \e(/l
-.Pq lower-case stroke l
-.It \e(/O
-.Pq upper-case stroke O
-.It \e(/o
-.Pq lower-case stroke o
-.It \e(oA
-.Pq upper-case ring A
-.It \e(oa
-.Pq lower-case ring a
+Accents:
+.Bl -offset indent -column 10n 10n 10n
+.It \e(a"      Ta \(a"     Ta Hungarian umlaut
+.It \e(a-      Ta \(a-     Ta macron
+.It \e(a.      Ta \(a.     Ta dotted
+.It \e(a^      Ta \(a^     Ta circumflex
+.It \e(aa      Ta \(aa     Ta acute
+.It \e(ga      Ta \(ga     Ta grave
+.It \e(ab      Ta \(ab     Ta breve
+.It \e(ac      Ta \(ac     Ta cedilla
+.It \e(ad      Ta \(ad     Ta dieresis
+.It \e(ah      Ta \(ah     Ta caron
+.It \e(ao      Ta \(ao     Ta ring
+.It \e(a~      Ta \(a~     Ta tilde
+.It \e(ho      Ta \(ho     Ta ogonek
+.It \e(ha      Ta \(ha     Ta hat (text)
+.It \e(ti      Ta \(ti     Ta tilde (text)
 .El
 .\" PARAGRAPH
 .Pp
+Accented letters:
+.Bl -offset indent -column 10n 10n 10n
+.It \e('A      Ta \('A     Ta acute A
+.It \e('E      Ta \('E     Ta acute E
+.It \e('I      Ta \('I     Ta acute I
+.It \e('O      Ta \('O     Ta acute O
+.It \e('U      Ta \('U     Ta acute U
+.It \e('a      Ta \('a     Ta acute a
+.It \e('e      Ta \('e     Ta acute e
+.It \e('i      Ta \('i     Ta acute i
+.It \e('o      Ta \('o     Ta acute o
+.It \e('u      Ta \('u     Ta acute u
+.It \e(`A      Ta \(`A     Ta grave A
+.It \e(`E      Ta \(`E     Ta grave E
+.It \e(`I      Ta \(`I     Ta grave I
+.It \e(`O      Ta \(`O     Ta grave O
+.It \e(`U      Ta \(`U     Ta grave U
+.It \e(`a      Ta \(`a     Ta grave a
+.It \e(`e      Ta \(`e     Ta grave e
+.It \e(`i      Ta \(`i     Ta grave i
+.It \e(`o      Ta \(`i     Ta grave o
+.It \e(`u      Ta \(`u     Ta grave u
+.It \e(~A      Ta \(~A     Ta tilde A
+.It \e(~N      Ta \(~N     Ta tilde N
+.It \e(~O      Ta \(~O     Ta tilde O
+.It \e(~a      Ta \(~a     Ta tilde a
+.It \e(~n      Ta \(~n     Ta tilde n
+.It \e(~o      Ta \(~o     Ta tilde o
+.It \e(:A      Ta \(:A     Ta dieresis A
+.It \e(:E      Ta \(:E     Ta dieresis E
+.It \e(:I      Ta \(:I     Ta dieresis I
+.It \e(:O      Ta \(:O     Ta dieresis O
+.It \e(:U      Ta \(:U     Ta dieresis U
+.It \e(:a      Ta \(:a     Ta dieresis a
+.It \e(:e      Ta \(:e     Ta dieresis e
+.It \e(:i      Ta \(:i     Ta dieresis i
+.It \e(:o      Ta \(:o     Ta dieresis o
+.It \e(:u      Ta \(:u     Ta dieresis u
+.It \e(:y      Ta \(:y     Ta dieresis y
+.It \e(^A      Ta \(^A     Ta circumflex A
+.It \e(^E      Ta \(^E     Ta circumflex E
+.It \e(^I      Ta \(^I     Ta circumflex I
+.It \e(^O      Ta \(^O     Ta circumflex O
+.It \e(^U      Ta \(^U     Ta circumflex U
+.It \e(^a      Ta \(^a     Ta circumflex a
+.It \e(^e      Ta \(^e     Ta circumflex e
+.It \e(^i      Ta \(^i     Ta circumflex i
+.It \e(^o      Ta \(^o     Ta circumflex o
+.It \e(^u      Ta \(^u     Ta circumflex u
+.It \e(,C      Ta \(,C     Ta cedilla C
+.It \e(,c      Ta \(,c     Ta cedilla c
+.It \e(/L      Ta \(/L     Ta stroke L
+.It \e(/l      Ta \(/l     Ta stroke l
+.It \e(/O      Ta \(/O     Ta stroke O
+.It \e(/o      Ta \(/o     Ta stroke o
+.It \e(oA      Ta \(oA     Ta ring A
+.It \e(oa      Ta \(oa     Ta ring a
+.El
+.\" PARAGRAPH
+.Pp
+Special letters:
+.Bl -offset indent -column 10n 10n 10n
+.It \e(-D      Ta \(-D     Ta Eth
+.It \e(Sd      Ta \(Sd     Ta eth
+.It \e(TP      Ta \(TP     Ta Thorn
+.It \e(Tp      Ta \(Tp     Ta thorn
+.It \e(.i      Ta \(.i     Ta dotless i
+.It \e(.j      Ta \(.j     Ta dotless j
+.El
+.\" PARAGRAPH
+.Pp
 Monetary:
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e(Cs
-.Pq Scandinavian
-.It \e(Do
-.Pq dollar
-.It \e(Po
-.Pq pound
-.It \e(Ye
-.Pq yen
-.It \e(Fn
-.Pq florin
-.It \e(ct
-.Pq cent
+.Bl -offset indent -column 10n 10n 10n
+.It \e(Cs      Ta \(Cs     Ta Scandinavian
+.It \e(Do      Ta \(Do     Ta dollar
+.It \e(Po      Ta \(Po     Ta pound
+.It \e(Ye      Ta \(Ye     Ta yen
+.It \e(Fn      Ta \(Fn     Ta florin
+.It \e(ct      Ta \(ct     Ta cent
+.It \e(Eu      Ta \(Eu     Ta Euro character glyph
+.It \e(eu      Ta \(eu     Ta Euro symbol
 .El
 .\" PARAGRAPH
 .Pp
+Greek letters:
+.Bl -offset indent -column 10n 10n 10n
+.It \e(*A      Ta \(*A     Ta Alpha
+.It \e(*B      Ta \(*B     Ta Beta
+.It \e(*G      Ta \(*G     Ta Gamma
+.It \e(*D      Ta \(*D     Ta Delta
+.It \e(*E      Ta \(*E     Ta Epsilon
+.It \e(*Z      Ta \(*Z     Ta Zeta
+.It \e(*Y      Ta \(*Y     Ta Eta
+.It \e(*H      Ta \(*H     Ta Theta
+.It \e(*I      Ta \(*I     Ta Iota
+.It \e(*K      Ta \(*K     Ta Kappa
+.It \e(*L      Ta \(*L     Ta Lambda
+.It \e(*M      Ta \(*M     Ta Mu
+.It \e(*N      Ta \(*N     Ta Nu
+.It \e(*C      Ta \(*C     Ta Xi
+.It \e(*O      Ta \(*O     Ta Omicron
+.It \e(*P      Ta \(*P     Ta Pi
+.It \e(*R      Ta \(*R     Ta Rho
+.It \e(*S      Ta \(*S     Ta Sigma
+.It \e(*T      Ta \(*T     Ta Tau
+.It \e(*U      Ta \(*U     Ta Upsilon
+.It \e(*F      Ta \(*F     Ta Phi
+.It \e(*X      Ta \(*X     Ta Chi
+.It \e(*Q      Ta \(*Q     Ta Psi
+.It \e(*W      Ta \(*W     Ta Omega
+.It \e(*a      Ta \(*a     Ta alpha
+.It \e(*b      Ta \(*b     Ta beta
+.It \e(*g      Ta \(*g     Ta gamma
+.It \e(*d      Ta \(*d     Ta delta
+.It \e(*e      Ta \(*e     Ta epsilon
+.It \e(*z      Ta \(*z     Ta zeta
+.It \e(*y      Ta \(*y     Ta eta
+.It \e(*h      Ta \(*h     Ta theta
+.It \e(*i      Ta \(*i     Ta iota
+.It \e(*k      Ta \(*k     Ta kappa
+.It \e(*l      Ta \(*l     Ta lambda
+.It \e(*m      Ta \(*m     Ta mu
+.It \e(*n      Ta \(*n     Ta nu
+.It \e(*c      Ta \(*c     Ta xi
+.It \e(*o      Ta \(*o     Ta omicron
+.It \e(*p      Ta \(*p     Ta pi
+.It \e(*r      Ta \(*r     Ta rho
+.It \e(*s      Ta \(*s     Ta sigma
+.It \e(*t      Ta \(*t     Ta tau
+.It \e(*u      Ta \(*u     Ta upsilon
+.It \e(*f      Ta \(*f     Ta phi
+.It \e(*x      Ta \(*x     Ta chi
+.It \e(*q      Ta \(*q     Ta psi
+.It \e(*w      Ta \(*w     Ta omega
+.It \e(+h      Ta \(+h     Ta theta variant
+.It \e(+f      Ta \(+f     Ta phi variant
+.It \e(+p      Ta \(+p     Ta pi variant
+.It \e(+e      Ta \(+e     Ta epsilon variant
+.It \e(ts      Ta \(ts     Ta sigma terminal
+.El
+.\" PARAGRAPH
+.Pp
 Special symbols:
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e0
-.Pq white-space
-.It \e(de
-.Pq degree
-.It \e(ps
-.Pq paragraph
-.It \e(sc
-.Pq section
-.It \e(dg
-.Pq dagger
-.It \e(dd
-.Pq double dagger
-.It \e(ci
-.Pq circle
-.It \e(ba
-.Pq bar
-.It \e(bb
-.Pq broken bar
-.It \e(Ba
-.Pq bar, deprecated
-.It \e(co
-.Pq copyright
-.It \e(rg
-.Pq registered
-.It \e(tm
-.Pq trademarked
-.It \e&
-.Pq non-breaking space
-.It \ee
-.Pq escape
-.It \e(Am
-.Pq ampersand, deprecated
+.Bl -offset indent -column 10n 10n 10n
+.It \e(de      Ta \(de     Ta degree
+.It \e(ps      Ta \(ps     Ta paragraph
+.It \e(sc      Ta \(sc     Ta section
+.It \e(dg      Ta \(dg     Ta dagger
+.It \e(dd      Ta \(dd     Ta double dagger
+.It \e(ci      Ta \(ci     Ta circle
+.It \e(ba      Ta \(ba     Ta bar
+.It \e(bb      Ta \(bb     Ta broken bar
+.It \e(co      Ta \(co     Ta copyright
+.It \e(rg      Ta \(rg     Ta registered
+.It \e(tm      Ta \(tm     Ta trademarked
+.It \ee        Ta \e       Ta escape
+.It \e(lh      Ta \(lh     Ta left hand
+.It \e(rh      Ta \(rh     Ta right hand
 .El 
 .\" SECTION
+.Sh PREDEFINED STRINGS
+These are not recommended for use, as they differ across
+implementations:
+.Pp
+Mathematical:
+.Bl -offset indent -column 10n 10n 10n
+.It \e*(Ba     Ta \*(Ba    Ta vertical bar
+.It \e*(Ne     Ta \*(Ne    Ta not equal
+.It \e*(Ge     Ta \*(Ge    Ta greater-than-equal
+.It \e*(Le     Ta \*(Le    Ta less-than-equal
+.It \e*(Gt     Ta \*(Gt    Ta greater-than
+.It \e*(Lt     Ta \*(Lt    Ta less-than
+.It \e*(Pm     Ta \*(Pm    Ta plus-minus
+.It \e*(If     Ta \*(If    Ta infinity
+.It \e*(Pi     Ta \*(Pi    Ta pi
+.It \e*(Na     Ta \*(Na    Ta NaN
+.El
+.\" PARAGRAPH
+.Pp
+Special symbols:
+.Bl -offset indent -column 10n 10n 10n
+.It \e*(Ba     Ta \*(Ba    Ta vertical bar
+.It \e*(Am     Ta \*(Am    Ta ampersand
+.It \e*R       Ta \*R      Ta restricted mark
+.It \e*(Tm     Ta \*(Tm    Ta trade mark
+.El
+.\" PARAGRAPH
+.Pp
+Enclosures:
+.Bl -offset indent -column 10n 10n 10n
+.It \e*q       Ta \*q      Ta double-quote
+.It \e*(Rq     Ta \*(Rq    Ta right-double-quote
+.It \e*(Lq     Ta \*(Lq    Ta left-double-quote
+.It \e*(lp     Ta \*(lp    Ta right-parenthesis
+.It \e*(rp     Ta \*(rp    Ta left-parenthesis
+.El
+.\" SECTION
 .Sh COMPATIBILITY
 This section documents compatibility of
 .Nm
 with older or existing versions of
-.Xr groff 1 :
+.Xr groff 1 .
 .Pp
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e(ss
-Renders differently in
+The following render differently in
 .Fl T Ns Ar ascii
-mode.
-.El
+output mode:
+.Bd -ragged -offset indent
+\e(ss, \e(nm, \e(nb, \e(nc, \e(ib, \e(ip, \e(pp, \e[sum], \e[product],
+\e[coproduct], \e(gr, \e(-h, \e(a.
+.Ed
+.Pp
+The following render differently in
+.Fl T Ns Ar html
+output mode:
+.Bd -ragged -offset indent
+\e(~=, \e(nb, \e(nc
+.Ed
+.Pp
+Finally, the following have been omitted by being poorly documented or
+having no known representation:
+.Bd -ragged -offset indent
+\e[radicalex], \e[sqrtex]
+.Ed
 .\" SECTION
 .Sh SEE ALSO
 .Xr mandoc 1
@@ -477,4 +532,4 @@ mode.
 The
 .Nm
 utility was written by 
-.An Kristaps Dzonsons Aq kristaps@openbsd.org .
+.An Kristaps Dzonsons Aq kristaps@kth.se .