===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/Attic/mandoc_char.7,v
retrieving revision 1.5
retrieving revision 1.6
diff -c -r1.5 -r1.6
*** src/usr.bin/mandoc/Attic/mandoc_char.7	2009/08/22 16:49:11	1.5
--- src/usr.bin/mandoc/Attic/mandoc_char.7	2009/10/19 09:48:17	1.6
***************
*** 1,4 ****
! .\"	$Id: mandoc_char.7,v 1.5 2009/08/22 16:49:11 schwarze Exp $
  .\"
  .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
  .\"
--- 1,4 ----
! .\"	$Id: mandoc_char.7,v 1.6 2009/10/19 09:48:17 schwarze Exp $
  .\"
  .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
  .\"
***************
*** 14,27 ****
  .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  .\" 
! .Dd $Mdocdate: August 22 2009 $
  .Dt MANDOC_CHAR 7
  .Os
! .\" SECTION
  .Sh NAME
  .Nm mandoc_char
  .Nd mandoc special characters
! .\" SECTION
  .Sh DESCRIPTION
  This documents the special characters and predefined strings accepted by 
  .Xr mandoc 1
--- 14,29 ----
  .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  .\" 
! .Dd $Mdocdate: October 19 2009 $
  .Dt MANDOC_CHAR 7
  .Os
! .
! .
  .Sh NAME
  .Nm mandoc_char
  .Nd mandoc special characters
! .
! .
  .Sh DESCRIPTION
  This documents the special characters and predefined strings accepted by 
  .Xr mandoc 1
***************
*** 29,40 ****
  .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.
! .\" PARAGRAPH
  .Pp
  Both
  .Xr mdoc 7
--- 31,38 ----
  .Xr mdoc 7
  and
  .Xr man 7
! documents.
! .
  .Pp
  Both
  .Xr mdoc 7
***************
*** 72,671 ****
  .Sq \e*X
  as
  .Sq \e*[X] .
! .\" SECTION
  .Sh Special Characters
  These are the preferred input symbols for producing special characters.
! .\" PARAGRAPH
  .Pp
! Typographic:
! .Bl -tag -width Ds -offset indent -compact
! .It \e~
! .Pq non-breaking space
! .It \e
! .Pq space
! .It \e^
! .Pq zero-width space
! .It \e%
! .Pq zero-width space
! .It \e&
! .Pq zero-width space
! .It \e|
! .Pq zero-width space
  .El
! .\" PARAGRAPH
  .Pp
! Grammatic:
! .Bl -tag -width Ds -offset indent -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 back-slash
! .It \e'
! .Pq apostrophe
! .It \e`
! .Pq back-tick
! .It \e.
! .Pq period
! .It \e(r!
! .Pq upside-down exclamation
! .It \e(r?
! .Pq upside-down question
  .El
! .\" PARAGRAPH
  .Pp
! Enclosures:
! .Bl -tag -width Ds -offset indent -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 \e(lq
! .Pq left double-quote
! .It \e(rq
! .Pq right double-quote
! .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
  .El
! .\" PARAGRAPH
  .Pp
! Indicatives:
! .Bl -tag -width Ds -offset indent -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
  .El
! .\" PARAGRAPH
  .Pp
  Mathematical:
! .Bl -tag -width Ds -offset indent -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(<=
! .Pq less-than-equal
! .It \e(>=
! .Pq greater-than-equal
! .It \e(==
! .Pq equal
! .It \e(!=
! .Pq not equal
! .It \e(if
! .Pq infinity
! .It \e(na
! .Pq NaN, an extension
! .It \e(+-
! .Pq plus-minus
! .It \e(**
! .Pq asterisk
  .El
! .\" PARAGRAPH
  .Pp
  Ligatures:
! .Bl -tag -width Ds -offset indent -compact
! .It \e(ss
! .Pq German eszett
! .It \e(AE
! .Pq AE
! .It \e(ae
! .Pq ae
! .It \e(OE
! .Pq OE
! .It \e(oe
! .Pq 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
  .El
! .\" PARAGRAPH
  .Pp
! Diacritics and accented letters:
! .Bl -tag -width Ds -offset indent -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 Eth
! .It \e(Sd
! .Pq eth
! .It \e(TP
! .Pq Thorn
! .It \e(Tp
! .Pq thorn
! .It \e('A
! .Pq acute A
! .It \e('E
! .Pq acute E
! .It \e('I
! .Pq acute I
! .It \e('O
! .Pq acute O
! .It \e('U
! .Pq acute U
! .It \e('a
! .Pq acute a
! .It \e('e
! .Pq acute e
! .It \e('i
! .Pq acute i
! .It \e('o
! .Pq acute o
! .It \e('u
! .Pq acute u
! .It \e(`A
! .Pq grave A
! .It \e(`E
! .Pq grave E
! .It \e(`I
! .Pq grave I
! .It \e(`O
! .Pq grave O
! .It \e(`U
! .Pq grave U
! .It \e(`a
! .Pq grave a
! .It \e(`e
! .Pq grave e
! .It \e(`i
! .Pq grave i
! .It \e(`o
! .Pq grave o
! .It \e(`u
! .Pq grave u
! .It \e(~A
! .Pq tilde A
! .It \e(~N
! .Pq tilde N
! .It \e(~O
! .Pq tilde O
! .It \e(~a
! .Pq tilde a
! .It \e(~n
! .Pq tilde n
! .It \e(~o
! .Pq tilde o
! .It \e(:A
! .Pq dieresis A
! .It \e(:E
! .Pq dieresis E
! .It \e(:I
! .Pq dieresis I
! .It \e(:O
! .Pq dieresis O
! .It \e(:U
! .Pq dieresis U
! .It \e(:a
! .Pq dieresis a
! .It \e(:e
! .Pq dieresis e
! .It \e(:i
! .Pq dieresis i
! .It \e(:o
! .Pq dieresis o
! .It \e(:u
! .Pq dieresis u
! .It \e(:y
! .Pq dieresis y
! .It \e(^A
! .Pq circumflex A
! .It \e(^E
! .Pq circumflex E
! .It \e(^I
! .Pq circumflex I
! .It \e(^O
! .Pq circumflex O
! .It \e(^U
! .Pq circumflex U
! .It \e(^a
! .Pq circumflex a
! .It \e(^e
! .Pq circumflex e
! .It \e(^i
! .Pq circumflex i
! .It \e(^o
! .Pq circumflex o
! .It \e(^u
! .Pq circumflex u
! .It \e(,C
! .Pq cedilla C
! .It \e(,c
! .Pq cedilla c
! .It \e(/L
! .Pq stroke L
! .It \e(/l
! .Pq stroke l
! .It \e(/O
! .Pq stroke O
! .It \e(/o
! .Pq stroke o
! .It \e(oA
! .Pq ring A
! .It \e(oa
! .Pq ring a
  .El
! .\" PARAGRAPH
  .Pp
! Monetary:
! .Bl -tag -width Ds -offset indent -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
! .It \e(Eu
! .Pq Euro character glyph
! .It \e(eu
! .Pq Euro symbol
  .El
! .\" PARAGRAPH
  .Pp
! Greek letters:
! .Bl -tag -width Ds -offset indent -compact
! .It \e(*A
! .Pq Alpha
! .It \e(*B
! .Pq Beta
! .It \e(*C
! .Pq Xi
! .It \e(*D
! .Pq Delta
! .It \e(*E
! .Pq Epsilon
! .It \e(*F
! .Pq Phi
! .It \e(*G
! .Pq Gamma
! .It \e(*H
! .Pq Theta
! .It \e(*I
! .Pq Iota
! .It \e(*K
! .Pq Kappa
! .It \e(*L
! .Pq Lambda
! .It \e(*M
! .Pq Mu
! .It \e(*N
! .Pq Nu
! .It \e(*O
! .Pq Omicron
! .It \e(*P
! .Pq Pi
! .It \e(*Q
! .Pq Psi
! .It \e(*R
! .Pq Rho
! .It \e(*S
! .Pq Sigma
! .It \e(*T
! .Pq Tau
! .It \e(*U
! .Pq Upsilon
! .It \e(*W
! .Pq Omega
! .It \e(*X
! .Pq Chi
! .It \e(*Y
! .Pq Eta
! .It \e(*Z
! .Pq Zeta
! .It \e(*a
! .Pq alpha
! .It \e(*b
! .Pq beta
! .It \e(*c
! .Pq xi
! .It \e(*d
! .Pq delta
! .It \e(*e
! .Pq epsilon
! .It \e(*f
! .Pq phi
! .It \e(+f
! .Pq phi variant
! .It \e(*g
! .Pq gamma
! .It \e(*h
! .Pq theta
! .It \e(+h
! .Pq theta variant
! .It \e(*i
! .Pq iota
! .It \e(*k
! .Pq kappa
! .It \e(*l
! .Pq lambda
! .It \e(*m
! .Pq mu
! .It \e(*n
! .Pq nu
! .It \e(*o
! .Pq omicron
! .It \e(*p
! .Pq pi
! .It \e(+p
! .Pq pi variant
! .It \e(*q
! .Pq psi
! .It \e(*r
! .Pq rho
! .It \e(*s
! .Pq sigma
! .It \e(*t
! .Pq tau
! .It \e(*u
! .Pq upsilon
! .It \e(*w
! .Pq omega
! .It \e(*x
! .Pq chi
! .It \e(*y
! .Pq eta
! .It \e(*z
! .Pq zeta
! .It \e(ts
! .Pq sigma terminal
  .El
! .\" PARAGRAPH
  .Pp
! Special symbols:
! .Bl -tag -width Ds -offset indent -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(co
! .Pq copyright
! .It \e(rg
! .Pq registered
! .It \e(tm
! .Pq trademarked
! .It \ee
! .Pq escape
! .El 
! .\" SECTION
! .Sh PREDEFINED STRINGS
! These are not recommended for use, as they differ across
! implementations:
  .Pp
! Mathematical:
! .Bl -tag -width Ds -offset indent -compact
! .It \e*(Ne
! .Pq not equal
! .It \e*(Ge
! .Pq greater-than-equal
! .It \e*(Le
! .Pq less-than-equal
! .It \e*(Gt
! .Pq greater-than
! .It \e*(Lt
! .Pq greater-than
! .It \e*(Pm
! .Pq plus-minus
! .It \e*(If
! .Pq infinity
! .It \e*(Pi
! .Pq pi
! .It \e*(Na
! .Pq NaN
  .El
! .\" PARAGRAPH
  .Pp
! Special symbols:
! .Bl -tag -width Ds -offset indent -compact
! .It \e*(Ba
! .Pq vertical bar
! .It \e*(Am
! .Pq ampersand
! .It \e*R
! .Pq restricted mark
! .It \e*(Tm
! .Pq trade mark
  .El
! .\" PARAGRAPH
  .Pp
! Enclosures:
! .Bl -tag -width Ds -offset indent -compact
! .It \e*q
! .Pq double-quote
! .It \e*(Rq
! .Pq right-double-quote
! .It \e*(Lq
! .Pq left-double-quote
! .It \e*(lp
! .Pq right-parenthesis
! .It \e*(rp
! .Pq left-parenthesis
  .El
! .\" SECTION
  .Sh COMPATIBILITY
  This section documents compatibility of
  .Nm
  with older or existing versions of
! .Xr groff 1 :
  .Pp
! .Bl -tag -width Ds -offset indent -compact
! .It \e(ss
! Renders differently in
  .Fl T Ns Ar ascii
! mode.
! .El
! .\" SECTION
  .Sh SEE ALSO
  .Xr mandoc 1
! .\" SECTION
  .Sh AUTHORS
  The
  .Nm
--- 70,582 ----
  .Sq \e*X
  as
  .Sq \e*[X] .
! .
! .Pp
! 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 -compact -offset indent -column 10n 20n
! .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
  .El
! .
  .Pp
! Lines:
! .Bl -compact -offset indent -column 10n 10n 10n
! .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
! .
  .Pp
! Text markers:
! .Bl -compact -offset indent -column 10n 10n 10n
! .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
! .
  .Pp
! Legal symbols:
! .Bl -compact -offset indent -column 10n 10n 10n
! .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 -compact -offset indent -column 10n 10n 10n
+ .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 \e\e     Ta \\          Ta back-slash
+ .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 -compact -offset indent -column 10n 10n 10n
+ .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 -compact -offset indent -column 10n 10n 10n
+ .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 -compact -offset indent -column 10n 10n 10n
+ .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 -compact -offset indent -column 10n 10n 10n
+ .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 -compact -offset indent -column 10n 10n 10n
! .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
! .
  .Pp
  Ligatures:
! .Bl -compact -offset indent -column 10n 10n 10n
! .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
! .
  .Pp
! Accents:
! .Bl -compact -offset indent -column 10n 10n 10n
! .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
! .
  .Pp
! Accented letters:
! .Bl -compact -offset indent -column 10n 10n 10n
! .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
! .
  .Pp
! Special letters:
! .Bl -compact -offset indent -column 10n 10n 10n
! .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 -compact -offset indent -column 10n 10n 10n
! .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 -compact -offset indent -column 10n 10n 10n
! .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 -compact -offset indent -column 10n 10n 10n
! .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 -compact -offset indent -column 10n 10n 10n
! .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 .
! .
  .Pp
! The following render differently in
  .Fl T Ns Ar ascii
! 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
! .
! .
  .Sh AUTHORS
  The
  .Nm