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Diff for /mandoc/mandoc.1 between version 1.50 and 1.84

version 1.50, 2010/01/29 14:39:38 version 1.84, 2011/01/04 23:32:21
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 .\"     $Id$  .\"     $Id$
 .\"  .\"
 .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>  .\" Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"  .\"
 .\" Permission to use, copy, modify, and distribute this software for any  .\" Permission to use, copy, modify, and distribute this software for any
 .\" purpose with or without fee is hereby granted, provided that the above  .\" purpose with or without fee is hereby granted, provided that the above
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 .Dd $Mdocdate$  .Dd $Mdocdate$
 .Dt MANDOC 1  .Dt MANDOC 1
 .Os  .Os
 .  
 .  
 .Sh NAME  .Sh NAME
 .Nm mandoc  .Nm mandoc
 .Nd format and display UNIX manuals  .Nd format and display UNIX manuals
 .  
 .  
 .Sh SYNOPSIS  .Sh SYNOPSIS
 .Nm mandoc  .Nm mandoc
 .Op Fl f Ns Ar option...  .Op Fl V
 .Op Fl m Ns Ar format  .Op Fl m Ns Ar format
 .Op Fl O Ns Ar option...  .Op Fl O Ns Ar option
 .Op Fl T Ns Ar output  .Op Fl T Ns Ar output
 .Op Fl V  .Op Fl W Ns Ar level
 .Op Fl W Ns Ar err...  .Op Ar file...
 .Op Ar infile...  
 .  
 .  
 .Sh DESCRIPTION  .Sh DESCRIPTION
 The  The
 .Nm  .Nm
 utility formats  utility formats
 .Ux  .Ux
 manual pages for display.  The arguments are as follows:  manual pages for display.
 .  The arguments are as follows:
 .Bl -tag -width Ds  .Bl -tag -width Ds
 .It Fl f Ns Ar option...  
 Comma-separated compiler options.  See  
 .Sx Compiler Options  
 for details.  
 .  
 .It Fl m Ns Ar format  .It Fl m Ns Ar format
 Input format.  See  Input format.
   See
 .Sx Input Formats  .Sx Input Formats
 for available formats.  Defaults to  for available formats.
 .Fl m Ns Ar andoc .  Defaults to
 .  .Fl m Ns Cm andoc .
 .It Fl O Ns Ar option...  .It Fl O Ns Ar option
 Comma-separated output options.  See  Comma-separated output options.
 .Sx Output Options  
 for details.  
 .  
 .It Fl T Ns Ar output  .It Fl T Ns Ar output
 Output format.  See  Output format.
   See
 .Sx Output Formats  .Sx Output Formats
 for available formats.  Defaults to  for available formats.
 .Fl T Ns Ar ascii .  Defaults to
 .  .Fl T Ns Cm ascii .
 .It Fl V  .It Fl V
 Print version and exit.  Print version and exit.
 .  .It Fl W Ns Ar level
 .It Fl W Ns Ar err...  Specify the minimum message
 Comma-separated warning options.  Use  .Ar level
 .Fl W Ns Ar all  to be reported on the standard error output and to affect the exit status.
 to print warnings,  The
 .Fl W Ns Ar error  .Ar level
 for warnings to be considered errors and cause utility  can be
 termination.  Multiple  .Cm warning ,
 .Fl W  .Cm error ,
 arguments may be comma-separated, such as  or
 .Fl W Ns Ar error,all .  .Cm fatal .
 .  The default is
 .It Ar infile...  .Fl W Ns Cm fatal ;
 Read input from zero or more  .Fl W Ns Cm all
 .Ar infile .  is an alias for
 If unspecified, reads from stdin.  If multiple files are specified,  .Fl W Ns Cm warning .
   See
   .Sx EXIT STATUS
   and
   .Sx DIAGNOSTICS
   for details.
   .Pp
   The special option
   .Fl W Ns Cm stop
   tells
 .Nm  .Nm
   to exit after parsing a file that causes warnings or errors of at least
   the requested level.
   No formatted output will be produced from that file.
   If both a
   .Ar level
   and
   .Cm stop
   are requested, they can be joined with a comma, for example
   .Fl W Ns Cm error , Ns Cm stop .
   .It Ar file
   Read input from zero or more files.
   If unspecified, reads from stdin.
   If multiple files are specified,
   .Nm
 will halt with the first failed parse.  will halt with the first failed parse.
 .El  .El
 .  
 .Pp  .Pp
 By default,  By default,
 .Nm  .Nm
Line 95  reads
Line 104  reads
 or  or
 .Xr man 7  .Xr man 7
 text from stdin, implying  text from stdin, implying
 .Fl m Ns Ar andoc ,  .Fl m Ns Cm andoc ,
 and produces  and produces
 .Fl T Ns Ar ascii  .Fl T Ns Cm ascii
 output.  output.
 .  
 .Pp  
 .Ex -std mandoc  
 .  
 .  
 .Ss Input Formats  .Ss Input Formats
 The  The
 .Nm  .Nm
Line 112  utility accepts
Line 116  utility accepts
 and  and
 .Xr man 7  .Xr man 7
 input with  input with
 .Fl m Ns Ar doc  .Fl m Ns Cm doc
 and  and
 .Fl m Ns Ar an ,  .Fl m Ns Cm an ,
 respectively.  The  respectively.
   The
 .Xr mdoc 7  .Xr mdoc 7
 format is  format is
 .Em strongly  .Em strongly
 recommended;  recommended;
 .Xr man 7  .Xr man 7
 should only be used for legacy manuals.  should only be used for legacy manuals.
 .  
 .Pp  .Pp
 A third option,  A third option,
 .Fl m Ns Ar andoc ,  .Fl m Ns Cm andoc ,
 which is also the default, determines encoding on-the-fly: if the first  which is also the default, determines encoding on-the-fly: if the first
 non-comment macro is  non-comment macro is
 .Sq \&Dd  .Sq \&Dd
Line 136  the
Line 140  the
 parser is used; otherwise, the  parser is used; otherwise, the
 .Xr man 7  .Xr man 7
 parser is used.  parser is used.
 .  
 .Pp  .Pp
 If multiple  If multiple
 files are specified with  files are specified with
 .Fl m Ns Ar andoc ,  .Fl m Ns Cm andoc ,
 each has its file-type determined this way.  If multiple files are  each has its file-type determined this way.
   If multiple files are
 specified and  specified and
 .Fl m Ns Ar doc  .Fl m Ns Cm doc
 or  or
 .Fl m Ns Ar an  .Fl m Ns Cm an
 is specified, then this format is used exclusively.  is specified, then this format is used exclusively.
 .  
 .  
 .Ss Output Formats  .Ss Output Formats
 The  The
 .Nm  .Nm
 utility accepts the following  utility accepts the following
 .Fl T  .Fl T
 arguments (see  arguments, which correspond to output modes:
 .Sx OUTPUT ) :  
 .  
 .Bl -tag -width Ds  .Bl -tag -width Ds
 .It Fl T Ns Ar ascii  .It Fl T Ns Cm ascii
 Produce 7-bit ASCII output, backspace-encoded for bold and underline  Produce 7-bit ASCII output.
 styles.  This is the default.  See  This is the default.
   See
 .Sx ASCII Output .  .Sx ASCII Output .
 .  .It Fl T Ns Cm html
 .It Fl T Ns Ar html  Produce strict CSS1/HTML-4.01 output.
 Produce strict HTML-4.01 output, with a sane default style.  See  See
 .Sx HTML Output .  .Sx HTML Output .
 .  .It Fl T Ns Cm lint
 .It Fl T Ns Ar xhtml  
 Produce strict XHTML-1.0 output, with a sane default style.  See  
 .Sx XHTML Output .  
 .  
 .It Fl T Ns Ar tree  
 Produce an indented parse tree.  
 .  
 .It Fl T Ns Ar lint  
 Parse only: produce no output.  Parse only: produce no output.
   Implies
   .Fl W Ns Cm warning .
   .It Fl T Ns Cm pdf
   Produce PDF output.
   See
   .Sx PDF Output .
   .It Fl T Ns Cm ps
   Produce PostScript output.
   See
   .Sx PostScript Output .
   .It Fl T Ns Cm tree
   Produce an indented parse tree.
   .It Fl T Ns Cm xhtml
   Produce strict CSS1/XHTML-1.0 output.
   See
   .Sx XHTML Output .
 .El  .El
 .  
 .Pp  .Pp
 If multiple input files are specified, these will be processed by the  If multiple input files are specified, these will be processed by the
 corresponding filter in-order.  corresponding filter in-order.
 .  
 .  
 .Ss Compiler Options  
 Default compiler behaviour may be overridden with the  
 .Fl f  
 flag.  
 .  
 .Bl -tag -width Ds  
 .It Fl f Ns Ar ign-scope  
 When rewinding the scope of a block macro, forces the compiler to ignore  
 scope violations.  This can seriously mangle the resulting tree.  
 .Pq mdoc only  
 .  
 .It Fl f Ns Ar ign-escape  
 Ignore invalid escape sequences.  
 This is the default, but the option can be used to override an earlier  
 .Fl f Ns Ar strict .  
 .  
 .It Fl f Ns Ar no-ign-escape  
 Don't ignore invalid escape sequences.  
 .  
 .It Fl f Ns Ar no-ign-macro  
 Do not ignore unknown macros at the start of input lines.  
 .  
 .It Fl f Ns Ar no-ign-chars  
 Do not ignore disallowed characters.  
 .  
 .It Fl f Ns Ar strict  
 Implies  
 .Fl f Ns Ar no-ign-escape ,  
 .Fl f Ns Ar no-ign-macro  
 and  
 .Fl f Ns Ar no-ign-chars .  
 .  
 .It Fl f Ns Ar ign-errors  
 Don't halt when encountering parse errors.  Useful with  
 .Fl T Ns Ar lint  
 over a large set of manuals passed on the command line.  
 .El  
 .  
 .  
 .Ss Output Options  
 For the time being, only  
 .Fl T Ns Ar html  
 accepts output options:  
 .Bl -tag -width Ds  
 .It Fl O Ns Ar style=style.css  
 The file  
 .Ar style.css  
 is used for an external style-sheet.  This must be a valid absolute or  
 relative URI.  
 .It Fl O Ns Ar includes=fmt  
 The string  
 .Ar fmt ,  
 for example,  
 .Ar ../src/%I.html ,  
 is used as a template for linked header files (usually via the  
 .Sq \&In  
 macro).  Instances of  
 .Sq \&%I  
 are replaced with the include filename.  The default is not to present a  
 hyperlink.  
 .It Fl O Ns Ar man=fmt  
 The string  
 .Ar fmt ,  
 for example,  
 .Ar ../html%S/%N.%S.html ,  
 is used as a template for linked manuals (usually via the  
 .Sq \&Xr  
 macro).  Instances of  
 .Sq \&%N  
 and  
 .Sq %S  
 are replaced with the linked manual's name and section, respectively.  
 If no section is included, section 1 is assumed.  The default is not to  
 present a hyperlink.  
 .El  
 .  
 .  
 .Sh OUTPUT  
 This section documents output details of  
 .Nm .  
 In general, output conforms to the traditional manual style of a header,  
 a body composed of sections and sub-sections, and a footer.  
 .Pp  
 The text style of output characters (non-macro characters, punctuation,  
 and white-space) is dictated by context.  
 .Pp  
 White-space is generally stripped from input.  This can be changed with  
 character escapes (specified in  
 .Xr mandoc_char 7 )  
 or literal modes (specified in  
 .Xr mdoc 7  
 and  
 .Xr man 7 ) .  
 .Pp  
 If non-macro punctuation is set apart from words, such as in the phrase  
 .Dq to be \&, or not to be ,  
 it's processed by  
 .Nm ,  
 regardless of output format, according to the following rules:  opening  
 punctuation  
 .Po  
 .Sq \&( ,  
 .Sq \&[ ,  
 and  
 .Sq \&{  
 .Pc  
 is not followed by a space; closing punctuation  
 .Po  
 .Sq \&. ,  
 .Sq \&, ,  
 .Sq \&; ,  
 .Sq \&: ,  
 .Sq \&? ,  
 .Sq \&! ,  
 .Sq \&) ,  
 .Sq \&]  
 and  
 .Sq \&}  
 .Pc  
 is not preceded by white-space.  
 .  
 .Pp  
 If the input is  
 .Xr mdoc 7 ,  
 however, these rules are also applied to macro arguments when appropriate.  
 .  
 .  
 .Ss ASCII Output  .Ss ASCII Output
 Output produced by  Output produced by
 .Fl T Ns Ar ascii ,  .Fl T Ns Cm ascii ,
 which is the default, is rendered in standard 7-bit ASCII documented in  which is the default, is rendered in standard 7-bit ASCII documented in
 .Xr ascii 7 .  .Xr ascii 7 .
 .Pp  .Pp
Line 323  is rendered as
Line 202  is rendered as
 .Sq _ Ns \e[bs] Ns c ,  .Sq _ Ns \e[bs] Ns c ,
 where  where
 .Sq \e[bs]  .Sq \e[bs]
 is the back-space character number 8.  Emboldened characters are rendered as  is the back-space character number 8.
   Emboldened characters are rendered as
 .Sq c Ns \e[bs] Ns c .  .Sq c Ns \e[bs] Ns c .
 .Pp  .Pp
 The special characters documented in  The special characters documented in
Line 332  are rendered best-effort in an ASCII equivalent.
Line 212  are rendered best-effort in an ASCII equivalent.
 .Pp  .Pp
 Output width is limited to 78 visible columns unless literal input lines  Output width is limited to 78 visible columns unless literal input lines
 exceed this limit.  exceed this limit.
 .  .Pp
 .  The following
   .Fl O
   arguments are accepted:
   .Bl -tag -width Ds
   .It Cm width Ns = Ns Ar width
   The output width is set to
   .Ar width ,
   which will normalise to \(>=60.
   .El
 .Ss HTML Output  .Ss HTML Output
 Output produced by  Output produced by
 .Fl T Ns Ar html  .Fl T Ns Cm html
 conforms to HTML-4.01 strict.  conforms to HTML-4.01 strict.
 .Pp  .Pp
 Font styles and page structure are applied using CSS2.  By default, no  
 font style is applied to any text, although CSS2 is hard-coded to format  
 the basic structure of output.  
 .Pp  
 The  The
 .Pa example.style.css  .Pa example.style.css
 file documents the range of styles applied to output and, if used, will  file documents style-sheet classes available for customising output.
 cause rendered documents to appear as they do in  If a style-sheet is not specified with
 .Fl T Ns Ar ascii .  .Fl O Ns Ar style ,
   .Fl T Ns Cm html
   defaults to simple output readable in any graphical or text-based web
   browser.
 .Pp  .Pp
 Special characters are rendered in decimal-encoded UTF-8.  Special characters are rendered in decimal-encoded UTF-8.
 .  .Pp
 .  The following
   .Fl O
   arguments are accepted:
   .Bl -tag -width Ds
   .It Cm includes Ns = Ns Ar fmt
   The string
   .Ar fmt ,
   for example,
   .Ar ../src/%I.html ,
   is used as a template for linked header files (usually via the
   .Sq \&In
   macro).
   Instances of
   .Sq \&%I
   are replaced with the include filename.
   The default is not to present a
   hyperlink.
   .It Cm man Ns = Ns Ar fmt
   The string
   .Ar fmt ,
   for example,
   .Ar ../html%S/%N.%S.html ,
   is used as a template for linked manuals (usually via the
   .Sq \&Xr
   macro).
   Instances of
   .Sq \&%N
   and
   .Sq %S
   are replaced with the linked manual's name and section, respectively.
   If no section is included, section 1 is assumed.
   The default is not to
   present a hyperlink.
   .It Cm style Ns = Ns Ar style.css
   The file
   .Ar style.css
   is used for an external style-sheet.
   This must be a valid absolute or
   relative URI.
   .El
   .Ss PostScript Output
   PostScript
   .Qq Adobe-3.0
   Level-2 pages may be generated by
   .Fl T Ns Cm ps .
   Output pages default to letter sized and are rendered in the Times font
   family, 11-point.
   Margins are calculated as 1/9 the page length and width.
   Line-height is 1.4m.
   .Pp
   Special characters are rendered as in
   .Sx ASCII Output .
   .Pp
   The following
   .Fl O
   arguments are accepted:
   .Bl -tag -width Ds
   .It Cm paper Ns = Ns Ar name
   The paper size
   .Ar name
   may be one of
   .Ar a3 ,
   .Ar a4 ,
   .Ar a5 ,
   .Ar legal ,
   or
   .Ar letter .
   You may also manually specify dimensions as
   .Ar NNxNN ,
   width by height in millimetres.
   If an unknown value is encountered,
   .Ar letter
   is used.
   .El
   .Ss PDF Output
   PDF-1.1 output may be generated by
   .Fl T Ns Cm pdf .
   See
   .Sx PostScript Output
   for
   .Fl O
   arguments and defaults.
 .Ss XHTML Output  .Ss XHTML Output
 Output produced by  Output produced by
 .Fl T Ns Ar xhtml  .Fl T Ns Cm xhtml
 conforms to XHTML-1.0 strict.  conforms to XHTML-1.0 strict.
 .Pp  .Pp
 See  See
 .Sx HTML Output  .Sx HTML Output
 for details; beyond generating XHTML tags instead of HTML tags, these  for details; beyond generating XHTML tags instead of HTML tags, these
 output modes are identical.  output modes are identical.
 .  .Sh EXIT STATUS
 .  The
   .Nm
   utility exits with one of the following values, controlled by the message
   .Ar level
   associated with the
   .Fl W
   option:
   .Pp
   .Bl -tag -width Ds -compact
   .It 0
   No warnings or errors occurred, or those that did were ignored because
   they were lower than the requested
   .Ar level .
   .It 2
   At least one warning occurred, but no error, and
   .Fl W Ns Cm warning
   was specified.
   .It 3
   At least one parsing error occurred, but no fatal error, and
   .Fl W Ns Cm error
   or
   .Fl W Ns Cm warning
   was specified.
   .It 4
   A fatal parsing error occurred.
   .It 5
   Invalid command line arguments were specified.
   No input files have been read.
   .It 6
   An operating system error occurred, for example memory exhaustion or an
   error accessing input files.
   Such errors cause
   .Nm
   to exit at once, possibly in the middle of parsing or formatting a file.
   .El
   .Pp
   Note that selecting
   .Fl T Ns Cm lint
   output mode implies
   .Fl W Ns Cm warning .
 .Sh EXAMPLES  .Sh EXAMPLES
 To page manuals to the terminal:  To page manuals to the terminal:
 .  
 .Pp  .Pp
 .D1 % mandoc \-Wall,error \-fstrict mandoc.1 2>&1 | less  .Dl $ mandoc \-Wall,stop mandoc.1 2\*(Gt&1 | less
 .D1 % mandoc mandoc.1 mdoc.3 mdoc.7 | less  .Dl $ mandoc mandoc.1 mdoc.3 mdoc.7 | less
 .  
 .Pp  .Pp
 To produce HTML manuals with  To produce HTML manuals with
 .Ar style.css  .Ar style.css
 as the style-sheet:  as the style-sheet:
 .Pp  .Pp
 .D1 % mandoc \-Thtml -Ostyle=style.css mdoc.7 > mdoc.7.html  .Dl $ mandoc \-Thtml -Ostyle=style.css mdoc.7 \*(Gt mdoc.7.html
 .Pp  .Pp
 To check over a large set of manuals:  To check over a large set of manuals:
 .  
 .Pp  .Pp
 .Dl % mandoc \-Tlint \-fign-errors `find /usr/src -name \e*\e.[1-9]`  .Dl $ mandoc \-Tlint `find /usr/src -name \e*\e.[1-9]`
 .  .Pp
 .  To produce a series of PostScript manuals for A4 paper:
   .Pp
   .Dl $ mandoc \-Tps \-Opaper=a4 mdoc.7 man.7 \*(Gt manuals.ps
   .Sh DIAGNOSTICS
   Standard error messages reporting parsing errors are prefixed by
   .Pp
   .Sm off
   .D1 Ar file : line : column : \ level :
   .Sm on
   .Pp
   where the fields have the following meanings:
   .Bl -tag -width "column"
   .It Ar file
   The name of the input file causing the message.
   .It Ar line
   The line number in that input file.
   Line numbering starts at 1.
   .It Ar column
   The column number in that input file.
   Column numbering starts at 1.
   If the issue is caused by a word, the column number usually
   points to the first character of the word.
   .It Ar level
   The message level, printed in capital letters.
   .El
   .Pp
   Message levels have the following meanings:
   .Bl -tag -width "warning"
   .It Cm fatal
   The parser is unable to parse a given input file at all.
   No formatted output is produced from that input file.
   .It Cm error
   An input file contains syntax that cannot be safely interpreted,
   either because it is invalid or because
   .Nm
   does not implement it yet.
   By discarding part of the input or inserting missing tokens,
   the parser is able to continue, and the error does not prevent
   generation of formatted output, but typically, preparing that
   output involves information loss, broken document structure
   or unintended formatting.
   .It Cm warning
   An input file uses obsolete, discouraged or non-portable syntax.
   All the same, the meaning of the input is unambiguous and a correct
   rendering can be produced.
   Documents causing warnings may render poorly when using other
   formatting tools instead of
   .Nm .
   .El
   .Pp
   Messages of the
   .Cm warning
   and
   .Cm error
   levels are hidden unless their level, or a lower level, is requested using a
   .Fl W
   option or
   .Fl T Ns Cm lint
   output mode.
   .Pp
   The
   .Nm
   utility may also print messages related to invalid command line arguments
   or operating system errors, for example when memory is exhausted or
   input files cannot be read.
   Such messages do not carry the prefix described above.
 .Sh COMPATIBILITY  .Sh COMPATIBILITY
 This section summarises  This section summarises
 .Nm  .Nm
 compatibility with  compatibility with GNU troff.
 .Xr groff 1 .  
 Each input and output format is separately noted.  Each input and output format is separately noted.
 .  
 .  
 .Ss ASCII Compatibility  .Ss ASCII Compatibility
 .Bl -bullet -compact  .Bl -bullet -compact
 .It  .It
 The  The
 .Sq \e~  
 special character doesn't produce expected behaviour in  
 .Fl T Ns Ar ascii .  
 .  
 .It  
 The  
 .Sq \&Bd \-literal  .Sq \&Bd \-literal
 and  and
 .Sq \&Bd \-unfilled  .Sq \&Bd \-unfilled
 macros of  macros of
 .Xr mdoc 7  .Xr mdoc 7
 in  in
 .Fl T Ns Ar ascii  .Fl T Ns Cm ascii
 are synonyms, as are \-filled and \-ragged.  are synonyms, as are \-filled and \-ragged.
 .  
 .It  .It
 In  In GNU troff, the
 .Xr groff 1 ,  
 the  
 .Sq \&Pa  .Sq \&Pa
 .Xr mdoc 7  .Xr mdoc 7
 macro does not underline when scoped under an  macro does not underline when scoped under an
 .Sq \&It  .Sq \&It
 in the FILES section.  This behaves correctly in  in the FILES section.
   This behaves correctly in
 .Nm .  .Nm .
 .  
 .It  .It
 A list or display following  A list or display following the
 .Sq \&Ss  .Sq \&Ss
 .Xr mdoc 7  .Xr mdoc 7
 macro in  macro in
 .Fl T Ns Ar ascii  .Fl T Ns Cm ascii
 does not assert a prior vertical break, just as it doesn't with  does not assert a prior vertical break, just as it doesn't with
 .Sq \&Sh .  .Sq \&Sh .
 .  
 .It  .It
 The  The
 .Sq \&na  .Sq \&na
 .Xr man 7  .Xr man 7
 macro in  macro in
 .Fl T Ns Ar ascii  .Fl T Ns Cm ascii
 has no effect.  has no effect.
 .  
 .It  .It
 Words aren't hyphenated.  Words aren't hyphenated.
 .  
 .It  .It
 In normal mode (not a literal block), blocks of spaces aren't preserved,  
 so double spaces following sentence closure are reduced to a single space;  
 .Xr groff 1  
 retains spaces.  
 .  
 .It  
 Sentences are unilaterally monospaced.  Sentences are unilaterally monospaced.
 .El  .El
 .  
 .  
 .Ss HTML/XHTML Compatibility  .Ss HTML/XHTML Compatibility
 .Bl -bullet -compact  .Bl -bullet -compact
 .It  .It
Line 460  The
Line 506  The
 escape will revert the font to the previous  escape will revert the font to the previous
 .Sq \ef  .Sq \ef
 escape, not to the last rendered decoration, which is now dictated by  escape, not to the last rendered decoration, which is now dictated by
 CSS instead of hard-coded.  It also will not span past the current  CSS instead of hard-coded.
 scope, for the same reason.  Note that in  It also will not span past the current scope,
   for the same reason.
   Note that in
 .Sx ASCII Output  .Sx ASCII Output
 mode, this will work fine.  mode, this will work fine.
 .It  .It
Line 472  and
Line 520  and
 .Sq \&Bl \-tag  .Sq \&Bl \-tag
 list types render similarly (no break following overreached left-hand  list types render similarly (no break following overreached left-hand
 side) due to the expressive constraints of HTML.  side) due to the expressive constraints of HTML.
 .  
 .It  .It
 The  The
 .Xr man 7  .Xr man 7
Line 481  and
Line 528  and
 .Sq TP  .Sq TP
 lists render similarly.  lists render similarly.
 .El  .El
 .  
 .  
 .Sh SEE ALSO  .Sh SEE ALSO
   .Xr man 7 ,
 .Xr mandoc_char 7 ,  .Xr mandoc_char 7 ,
 .Xr mdoc 7 ,  .Xr mdoc 7 ,
 .Xr man 7  .Xr roff 7 ,
 .  .Xr tbl 7
 .Sh AUTHORS  .Sh AUTHORS
 The  The
 .Nm  .Nm
 utility was written by  utility was written by
 .An Kristaps Dzonsons Aq kristaps@kth.se .  .An Kristaps Dzonsons Aq kristaps@bsd.lv .
 .  
 .  
 .Sh CAVEATS  .Sh CAVEATS
 The  
 .Fl T Ns Ar html  
 and  
 .Fl T Ns Ar xhtml  
 CSS2 styling used for  
 .Fl m Ns Ar doc  
 input lists does not render properly in brain-dead browsers, such as  
 Internet Explorer 6 and earlier.  
 .Pp  
 In  In
 .Fl T Ns Ar html  .Fl T Ns Cm html
 and  and
 .Fl T Ns Ar xhtml ,  .Fl T Ns Cm xhtml ,
 the maximum size of an element attribute is determined by  the maximum size of an element attribute is determined by
 .Dv BUFSIZ ,  .Dv BUFSIZ ,
 which is usually 1024 bytes.  Be aware of this when setting long link  which is usually 1024 bytes.
 formats, e.g.,  Be aware of this when setting long link
 .Fl O Ns Ar style=really/long/link .  formats such as
   .Fl O Ns Cm style Ns = Ns Ar really/long/link .
 .Pp  .Pp
 The  Nesting elements within next-line element scopes of
 .Fl T Ns Ar html  .Fl m Ns Cm an ,
   such as
   .Sq br
   within an empty
   .Sq B ,
   will confuse
   .Fl T Ns Cm html
 and  and
 .Fl T Ns Ar xhtml  .Fl T Ns Cm xhtml
 output modes don't render the  and cause them to forget the formatting of the prior next-line scope.
 .Sq \es  .Pp
 font size escape documented in  The
 .Xr mdoc 7  .Sq \(aq
 and  control character is an alias for the standard macro control character
 .Xr man 7 .  and does not emit a line-break as stipulated in GNU troff.
Legend:
Removed from v.1.50  
changed lines
  Added in v.1.84
CVSweb