===================================================================
RCS file: /cvs/mandoc/mandoc_char.7,v
retrieving revision 1.7
retrieving revision 1.39
diff -u -p -r1.7 -r1.39
--- mandoc/mandoc_char.7	2009/07/12 08:45:56	1.7
+++ mandoc/mandoc_char.7	2010/05/12 08:29:23	1.39
@@ -1,6 +1,6 @@
-.\"	$Id: mandoc_char.7,v 1.7 2009/07/12 08:45:56 kristaps Exp $
+.\"	$Id: mandoc_char.7,v 1.39 2010/05/12 08:29:23 kristaps Exp $
 .\"
-.\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
+.\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
 .\" Permission to use, copy, modify, and distribute this software for any
 .\" purpose with or without fee is hereby granted, provided that the above
@@ -13,470 +13,547 @@
 .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-.\" 
-.Dd $Mdocdate: July 12 2009 $
+.\"
+.Dd $Mdocdate: May 12 2010 $
 .Dt MANDOC_CHAR 7
 .Os
-.\" SECTION
 .Sh NAME
 .Nm mandoc_char
 .Nd mandoc special characters
-.\" SECTION
 .Sh DESCRIPTION
-This documents the special characters accepted by 
+This page documents the special characters and predefined strings accepted by
 .Xr mandoc 1
 to format
 .Xr mdoc 7
 and
 .Xr man 7
-documents.  Specific output devices of
-.Xr mandoc 1 ,
-dictated by the
-.Fl T Ns Ar output
-argument, will properly render these sequences.
+documents.
 .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] .
 .Pp
-Grammatic:
-.Bl -tag -width 12n -offset "XXXX" -compact
-.It \e(em
-.Pq em-dash
-.It \e(en
-.Pq en-dash
-.It \e(hy
-.Pq hyphen
-.It \e\e
-.Pq back-slash
-.It \e'
-.Pq apostrophe
-.It \e`
-.Pq back-tick
-.It \e
-.Pq space
-.It \e.
-.Pq period
-.It \e(r!
-.Pq upside-down exclamation
-.It \e(r?
-.Pq upside-down question
+Note that each output mode will have a different rendering of the
+characters.
+It's guaranteed that each input symbol will correspond to a
+(more or less) meaningful output rendering, regardless the mode.
+.Sh SPECIAL CHARACTERS
+These are the preferred input symbols for producing special characters.
+.Pp
+Spacing:
+.Bl -column -compact -offset indent "Input" "Description"
+.It Em Input Ta Em Description
+.It \e~      Ta non-breaking, non-collapsing space
+.It \e       Ta breaking, non-collapsing n-width space
+.It \e^      Ta zero-width space
+.It \e%      Ta zero-width space
+.It \e&      Ta zero-width space
+.It \e|      Ta zero-width space
+.It \e0      Ta breaking, non-collapsing digit-width space
+.It \ec      Ta removes any trailing space (if applicable)
 .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
+Lines:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.It \e(ba    Ta \(ba        Ta bar
+.It \e(br    Ta \(br        Ta box rule
+.It \e(ul    Ta \(ul        Ta underscore
+.It \e(rl    Ta \(rl        Ta overline
+.It \e(bb    Ta \(bb        Ta broken bar
+.It \e(sl    Ta \(sl        Ta forward slash
+.It \e(rs    Ta \(rs        Ta backward slash
 .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
+Text markers:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.It \e(ci    Ta \(ci        Ta circle
+.It \e(bu    Ta \(bu        Ta bullet
+.It \e(dd    Ta \(dd        Ta double dagger
+.It \e(dg    Ta \(dg        Ta dagger
+.It \e(lz    Ta \(lz        Ta lozenge
+.It \e(sq    Ta \(sq        Ta white square
+.It \e(ps    Ta \(ps        Ta paragraph
+.It \e(sc    Ta \(sc        Ta section
+.It \e(lh    Ta \(lh        Ta left hand
+.It \e(rh    Ta \(rh        Ta right hand
+.It \e(at    Ta \(at        Ta at
+.It \e(sh    Ta \(sh        Ta hash (pound)
+.It \e(CR    Ta \(CR        Ta carriage return
+.It \e(OK    Ta \(OK        Ta check mark
 .El
-.\" PARAGRAPH
 .Pp
+Legal symbols:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.It \e(co    Ta \(co        Ta copyright
+.It \e(rg    Ta \(rg        Ta registered
+.It \e(tm    Ta \(tm        Ta trademarked
+.El
+.Pp
+Punctuation:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.It \e(em    Ta \(em        Ta em-dash
+.It \e(en    Ta \(en        Ta en-dash
+.It \e(hy    Ta \(hy        Ta hyphen
+.It \ee      Ta \e          Ta back-slash
+.It \e.      Ta \.          Ta period
+.It \e(r!    Ta \(r!        Ta upside-down exclamation
+.It \e(r?    Ta \(r?        Ta upside-down question
+.El
+.Pp
+Quotes:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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
+.Pp
+Brackets:
+.Bl -column -compact -offset indent "xxbracketrightbpx" Rendered Description
+.It Em Input Ta Em Rendered Ta Em Description
+.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
+.Pp
+Arrows:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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
+.Pp
+Logical:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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
+.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-
-.Pq subtraction
-.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 -column -compact -offset indent "xxcoproductxx" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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 -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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 -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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'      Ta \'          Ta acute
+.It \e(ga    Ta \(ga        Ta grave
+.It \e`      Ta \`          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
-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
+Accented letters:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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 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
-.El 
-.\" SECTION
+Special letters:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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
+.Pp
+Currency:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.It \e(Do    Ta \(Do        Ta dollar
+.It \e(ct    Ta \(ct        Ta cent
+.It \e(Eu    Ta \(Eu        Ta Euro symbol
+.It \e(eu    Ta \(eu        Ta Euro symbol
+.It \e(Ye    Ta \(Ye        Ta yen
+.It \e(Po    Ta \(Po        Ta pound
+.It \e(Cs    Ta \(Cs        Ta Scandinavian
+.It \e(Fn    Ta \(Fn        Ta florin
+.El
+.Pp
+Units:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.It \e(de    Ta \(de        Ta degree
+.It \e(%0    Ta \(%0        Ta per-thousand
+.It \e(fm    Ta \(fm        Ta minute
+.It \e(sd    Ta \(sd        Ta second
+.It \e(mc    Ta \(mc        Ta micro
+.El
+.Pp
+Greek letters:
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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
+.Sh PREDEFINED STRINGS
+These are not recommended for use, as they differ across
+implementations:
+.Pp
+.Bl -column -compact -offset indent "Input" "Rendered" "Description"
+.It Em Input Ta Em Rendered Ta Em Description
+.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
+.It \e*(Am   Ta \*(Am       Ta ampersand
+.It \e*R     Ta \*R         Ta restricted mark
+.It \e*(Tm   Ta \*(Tm       Ta trade mark
+.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
+.It \e*(lq   Ta \*(lq       Ta left double-quote
+.It \e*(rq   Ta \*(rq       Ta right double-quote
+.It \e*(ua   Ta \*(ua       Ta up arrow
+.It \e*(va   Ta \*(va       Ta up-down arrow
+.It \e*(<=   Ta \*(<=       Ta less-than-equal
+.It \e*(>=   Ta \*(>=       Ta greater-than-equal
+.It \e*(aa   Ta \*(aa       Ta acute
+.It \e*(ga   Ta \*(ga       Ta grave
+.El
 .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
-.\" SECTION
+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], \e(ru
+.Ed
 .Sh SEE ALSO
 .Xr mandoc 1
-.\" SECTION
 .Sh AUTHORS
 The
 .Nm
-utility was written by 
-.An Kristaps Dzonsons Aq kristaps@kth.se .
+manual page was written by
+.An Kristaps Dzonsons Aq kristaps@bsd.lv .
+.Sh CAVEATS
+The
+.Sq \e*(Ba
+escape mimics the behaviour of the
+.Sq \&|
+character in
+.Xr mdoc 7 ;
+thus, if you wish to render a vertical bar with no side effects, use
+the
+.Sq \e(ba
+escape.