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Diff for /mandoc/mandoc_char.7 between version 1.40 and 1.49

version 1.40, 2010/10/29 00:05:53 version 1.49, 2011/08/30 13:14:01
Line 74  It's guaranteed that each input symbol will correspond
Line 74  It's guaranteed that each input symbol will correspond
 These are the preferred input symbols for producing special characters.  These are the preferred input symbols for producing special characters.
 .Pp  .Pp
 Spacing:  Spacing:
 .Bl -column -compact -offset indent "Input" "Description"  .Bl -column "Input" "Description" -offset indent -compact
 .It Em Input Ta Em Description  .It Em Input Ta Em Description
 .It \e~      Ta non-breaking, non-collapsing space  .It \e~      Ta non-breaking, non-collapsing space
 .It \e       Ta breaking, non-collapsing n-width space  .It \e       Ta breaking, non-collapsing n-width space
Line 87  Spacing:
Line 87  Spacing:
 .El  .El
 .Pp  .Pp
 Lines:  Lines:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(ba    Ta \(ba        Ta bar  .It \e(ba    Ta \(ba        Ta bar
 .It \e(br    Ta \(br        Ta box rule  .It \e(br    Ta \(br        Ta box rule
Line 99  Lines:
Line 99  Lines:
 .El  .El
 .Pp  .Pp
 Text markers:  Text markers:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(ci    Ta \(ci        Ta circle  .It \e(ci    Ta \(ci        Ta circle
 .It \e(bu    Ta \(bu        Ta bullet  .It \e(bu    Ta \(bu        Ta bullet
Line 118  Text markers:
Line 118  Text markers:
 .El  .El
 .Pp  .Pp
 Legal symbols:  Legal symbols:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(co    Ta \(co        Ta copyright  .It \e(co    Ta \(co        Ta copyright
 .It \e(rg    Ta \(rg        Ta registered  .It \e(rg    Ta \(rg        Ta registered
Line 126  Legal symbols:
Line 126  Legal symbols:
 .El  .El
 .Pp  .Pp
 Punctuation:  Punctuation:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(em    Ta \(em        Ta em-dash  .It \e(em    Ta \(em        Ta em-dash
 .It \e(en    Ta \(en        Ta en-dash  .It \e(en    Ta \(en        Ta en-dash
Line 138  Punctuation:
Line 138  Punctuation:
 .El  .El
 .Pp  .Pp
 Quotes:  Quotes:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em 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 double-quote
 .It \e(bq    Ta \(bq        Ta right low single-quote  .It \e(bq    Ta \(bq        Ta right low single-quote
Line 155  Quotes:
Line 155  Quotes:
 .El  .El
 .Pp  .Pp
 Brackets:  Brackets:
 .Bl -column -compact -offset indent "xxbracketrightbpx" Rendered Description  .Bl -column "xxbracketrightbpx" Rendered Description -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(lB    Ta \(lB        Ta left bracket  .It \e(lB    Ta \(lB        Ta left bracket
 .It \e(rB    Ta \(rB        Ta right bracket  .It \e(rB    Ta \(rB        Ta right bracket
Line 194  Brackets:
Line 194  Brackets:
 .El  .El
 .Pp  .Pp
 Arrows:  Arrows:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(<-    Ta \(<-        Ta left arrow  .It \e(<-    Ta \(<-        Ta left arrow
 .It \e(->    Ta \(->        Ta right arrow  .It \e(->    Ta \(->        Ta right arrow
Line 211  Arrows:
Line 211  Arrows:
 .El  .El
 .Pp  .Pp
 Logical:  Logical:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(AN    Ta \(AN        Ta logical and  .It \e(AN    Ta \(AN        Ta logical and
 .It \e(OR    Ta \(OR        Ta logical or  .It \e(OR    Ta \(OR        Ta logical or
Line 226  Logical:
Line 226  Logical:
 .El  .El
 .Pp  .Pp
 Mathematical:  Mathematical:
 .Bl -column -compact -offset indent "xxcoproductxx" "Rendered" "Description"  .Bl -column "xxcoproductxx" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(pl    Ta \(pl        Ta plus  .It \e(pl    Ta \(pl        Ta plus
 .It \e(mi    Ta \(mi        Ta minus  .It \e(mi    Ta \(mi        Ta minus
Line 288  Mathematical:
Line 288  Mathematical:
 .It \e(Re    Ta \(Re        Ta real  .It \e(Re    Ta \(Re        Ta real
 .It \e(pd    Ta \(pd        Ta partial differential  .It \e(pd    Ta \(pd        Ta partial differential
 .It \e(-h    Ta \(-h        Ta Planck constant over 2\(*p  .It \e(-h    Ta \(-h        Ta Planck constant over 2\(*p
   .It \e[12]   Ta \[12]       Ta one-half
   .It \e[14]   Ta \[14]       Ta one-fourth
   .It \e[34]   Ta \[34]       Ta three-fourths
 .El  .El
 .Pp  .Pp
 Ligatures:  Ligatures:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(ff    Ta \(ff        Ta ff ligature  .It \e(ff    Ta \(ff        Ta ff ligature
 .It \e(fi    Ta \(fi        Ta fi ligature  .It \e(fi    Ta \(fi        Ta fi ligature
Line 308  Ligatures:
Line 311  Ligatures:
 .El  .El
 .Pp  .Pp
 Accents:  Accents:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(a"    Ta \(a"        Ta Hungarian umlaut  .It \e(a"    Ta \(a"        Ta Hungarian umlaut
 .It \e(a-    Ta \(a-        Ta macron  .It \e(a-    Ta \(a-        Ta macron
Line 330  Accents:
Line 333  Accents:
 .El  .El
 .Pp  .Pp
 Accented letters:  Accented letters:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e('A    Ta \('A        Ta acute A  .It \e('A    Ta \('A        Ta acute A
 .It \e('E    Ta \('E        Ta acute E  .It \e('E    Ta \('E        Ta acute E
Line 390  Accented letters:
Line 393  Accented letters:
 .El  .El
 .Pp  .Pp
 Special letters:  Special letters:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(-D    Ta \(-D        Ta Eth  .It \e(-D    Ta \(-D        Ta Eth
 .It \e(Sd    Ta \(Sd        Ta eth  .It \e(Sd    Ta \(Sd        Ta eth
Line 401  Special letters:
Line 404  Special letters:
 .El  .El
 .Pp  .Pp
 Currency:  Currency:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(Do    Ta \(Do        Ta dollar  .It \e(Do    Ta \(Do        Ta dollar
 .It \e(ct    Ta \(ct        Ta cent  .It \e(ct    Ta \(ct        Ta cent
Line 414  Currency:
Line 417  Currency:
 .El  .El
 .Pp  .Pp
 Units:  Units:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(de    Ta \(de        Ta degree  .It \e(de    Ta \(de        Ta degree
 .It \e(%0    Ta \(%0        Ta per-thousand  .It \e(%0    Ta \(%0        Ta per-thousand
Line 424  Units:
Line 427  Units:
 .El  .El
 .Pp  .Pp
 Greek letters:  Greek letters:
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Bl -column "Input" "Rendered" "Description" -offset indent -compact
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e(*A    Ta \(*A        Ta Alpha  .It \e(*A    Ta \(*A        Ta Alpha
 .It \e(*B    Ta \(*B        Ta Beta  .It \e(*B    Ta \(*B        Ta Beta
Line 481  Greek letters:
Line 484  Greek letters:
 .It \e(ts    Ta \(ts        Ta sigma terminal  .It \e(ts    Ta \(ts        Ta sigma terminal
 .El  .El
 .Sh PREDEFINED STRINGS  .Sh PREDEFINED STRINGS
 These are not recommended for use, as they differ across  Predefined strings are inherited from the macro packages of historical
 implementations:  troff implementations.
 .Pp  They are
 .Bl -column -compact -offset indent "Input" "Rendered" "Description"  .Em not recommended
   for use, as they differ across implementations.
   Manuals using these predefined strings are almost certainly not
   portable.
   .Bl -column "Input" "Rendered" "Description" -offset indent
 .It Em Input Ta Em Rendered Ta Em Description  .It Em Input Ta Em Rendered Ta Em Description
 .It \e*(Ba   Ta \*(Ba       Ta vertical bar  .It \e*(Ba   Ta \*(Ba       Ta vertical bar
 .It \e*(Ne   Ta \*(Ne       Ta not equal  .It \e*(Ne   Ta \*(Ne       Ta not equal
Line 512  implementations:
Line 519  implementations:
 .It \e*(>=   Ta \*(>=       Ta greater-than-equal  .It \e*(>=   Ta \*(>=       Ta greater-than-equal
 .It \e*(aa   Ta \*(aa       Ta acute  .It \e*(aa   Ta \*(aa       Ta acute
 .It \e*(ga   Ta \*(ga       Ta grave  .It \e*(ga   Ta \*(ga       Ta grave
   .It \e*(Px   Ta \*(Px       Ta POSIX standard name
   .It \e*(Ai   Ta \*(Ai       Ta ANSI standard name
 .El  .El
 .Sh COMPATIBILITY  .Sh UNICODE CHARACTERS
 This section documents compatibility of  The escape sequence
 .Nm  
 with older or existing versions of groff.  
 .Pp  .Pp
 The following render differently in  .Dl \e[uXXXX]
 .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  .Pp
 The following render differently in  is interpreted as a Unicode codepoint.
 .Fl T Ns Ar html  The codepoint must be in the range above U+0080 and less than U+10FFFF.
 output mode:  For compatibility, points must be zero-padded to four characters; if
 .Bd -ragged -offset indent  greater than four characters, no zero padding is allowed.
 \e(~=, \e(nb, \e(nc  Unicode surrogates are not allowed.
 .Ed  .\" .Pp
   .\" Unicode glyphs attenuate to the
   .\" .Sq \&?
   .\" character if invalid or not rendered by current output media.
   .Sh NUMBERED CHARACTERS
   For backward compatibility with existing manuals,
   .Xr mandoc 1
   also supports the
 .Pp  .Pp
 Finally, the following have been omitted by being poorly documented or  .Dl \eN\(aq Ns Ar number Ns \(aq
 having no known representation:  .Pp
 .Bd -ragged -offset indent  escape sequence, inserting the character
 \e[radicalex], \e[sqrtex], \e(ru  .Ar number
 .Ed  from the current character set into the output.
   Of course, this is inherently non-portable and is already marked
   as deprecated in the Heirloom roff manual.
   For example, do not use \eN'34', use \e(dq, or even the plain
   .Sq \(dq
   character where possible.
   .Sh COMPATIBILITY
   This section documents compatibility between mandoc and other other
   troff implementations, at this time limited to GNU troff
   .Pq Qq groff .
   .Pp
   .Bl -dash -compact
   .It
   The \eN\(aq\(aq escape sequence is limited to printable characters; in
   groff, it accepts arbitrary character numbers.
   .It
   In
   .Fl T Ns Cm ascii ,
   the
   \e(ss, \e(nm, \e(nb, \e(nc, \e(ib, \e(ip, \e(pp, \e[sum], \e[product],
   \e[coproduct], \e(gr, \e(\-h, and \e(a. special characters render
   differently between mandoc and groff.
   .It
   In
   .Fl T Ns Cm html
   and
   .Fl T Ns Cm xhtml ,
   the \e(~=, \e(nb, and \e(nc special characters render differently
   between mandoc and groff.
   .It
   The
   .Fl T Ns Cm ps
   and
   .Fl T Ns Cm pdf
   modes format like
   .Fl T Ns Cm ascii
   instead of rendering glyphs as in groff.
   .It
   The \e[radicalex], \e[sqrtex], and \e(ru special characters have been omitted
   from mandoc either because they are poorly documented or they have no
   known representation.
   .El
 .Sh SEE ALSO  .Sh SEE ALSO
 .Xr mandoc 1  .Xr mandoc 1
 .Sh AUTHORS  .Sh AUTHORS
 The  The
 .Nm  .Nm
 manual page was written by  manual page was written by
 .An Kristaps Dzonsons Aq kristaps@bsd.lv .  .An Kristaps Dzonsons ,
   .Mt kristaps@bsd.lv .
 .Sh CAVEATS  .Sh CAVEATS
 The  The
 .Sq \e*(Ba  .Sq \e*(Ba
Legend:
Removed from v.1.40  
changed lines
  Added in v.1.49
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