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Diff for /mandoc/mdoc.7 between version 1.220 and 1.226

version 1.220, 2013/08/14 15:08:31 version 1.226, 2014/01/24 22:54:33
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 .\"     $Id$  .\"     $Id$
 .\"  .\"
 .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>  .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>  .\" Copyright (c) 2010, 2011, 2013 Ingo Schwarze <schwarze@openbsd.org>
 .\"  .\"
 .\" 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
Line 477  in the alphabetical
Line 477  in the alphabetical
 .Bl -column "Brq, Bro, Brc" description  .Bl -column "Brq, Bro, Brc" description
 .It Sx \&Lb Ta function library (one argument)  .It Sx \&Lb Ta function library (one argument)
 .It Sx \&In Ta include file (one argument)  .It Sx \&In Ta include file (one argument)
   .It Sx \&Fd Ta other preprocessor directive (>0 arguments)
 .It Sx \&Ft Ta function type (>0 arguments)  .It Sx \&Ft Ta function type (>0 arguments)
 .It Sx \&Fo , \&Fc Ta function block: Ar funcname  .It Sx \&Fo , \&Fc Ta function block: Ar funcname
 .It Sx \&Fn Ta function name:  .It Sx \&Fn Ta function name:
Line 1304  It should be capitalised.
Line 1305  It should be capitalised.
 .It Ar section  .It Ar section
 The manual section.  The manual section.
 This may be one of  This may be one of
 .Ar 1  .Cm 1
 .Pq utilities ,  .Pq utilities ,
 .Ar 2  .Cm 2
 .Pq system calls ,  .Pq system calls ,
 .Ar 3  .Cm 3
 .Pq libraries ,  .Pq libraries ,
 .Ar 3p  .Cm 3p
 .Pq Perl libraries ,  .Pq Perl libraries ,
 .Ar 4  .Cm 4
 .Pq devices ,  .Pq devices ,
 .Ar 5  .Cm 5
 .Pq file formats ,  .Pq file formats ,
 .Ar 6  .Cm 6
 .Pq games ,  .Pq games ,
 .Ar 7  .Cm 7
 .Pq miscellaneous ,  .Pq miscellaneous ,
 .Ar 8  .Cm 8
 .Pq system utilities ,  .Pq system utilities ,
 .Ar 9  .Cm 9
 .Pq kernel functions ,  .Pq kernel functions ,
 .Ar X11  .Cm X11
 .Pq X Window System ,  .Pq X Window System ,
 .Ar X11R6  .Cm X11R6
 .Pq X Window System ,  .Pq X Window System ,
 .Ar unass  .Cm unass
 .Pq unassociated ,  .Pq unassociated ,
 .Ar local  .Cm local
 .Pq local system ,  .Pq local system ,
 .Ar draft  .Cm draft
 .Pq draft manual ,  .Pq draft manual ,
 or  or
 .Ar paper  .Cm paper
 .Pq paper .  .Pq paper .
 It should correspond to the manual's filename suffix and defaults to  It should correspond to the manual's filename suffix and defaults to
 .Dq 1  .Cm 1
 if unspecified.  if unspecified.
 .It Ar volume  .It Ar volume
 This overrides the volume inferred from  This overrides the volume inferred from
 .Ar section .  .Ar section .
 This field is optional, and if specified, must be one of  This field is optional, and if specified, must be one of
 .Ar USD  .Cm USD
 .Pq users' supplementary documents ,  .Pq users' supplementary documents ,
 .Ar PS1  .Cm PS1
 .Pq programmers' supplementary documents ,  .Pq programmers' supplementary documents ,
 .Ar AMD  .Cm AMD
 .Pq administrators' supplementary documents ,  .Pq administrators' supplementary documents ,
 .Ar SMM  .Cm SMM
 .Pq system managers' manuals ,  .Pq system managers' manuals ,
 .Ar URM  .Cm URM
 .Pq users' reference manuals ,  .Pq users' reference manuals ,
 .Ar PRM  .Cm PRM
 .Pq programmers' reference manuals ,  .Pq programmers' reference manuals ,
 .Ar KM  .Cm KM
 .Pq kernel manuals ,  .Pq kernel manuals ,
 .Ar IND  .Cm IND
 .Pq master index ,  .Pq master index ,
 .Ar MMI  .Cm MMI
 .Pq master index ,  .Pq master index ,
 .Ar LOCAL  .Cm LOCAL
 .Pq local manuals ,  .Pq local manuals ,
 .Ar LOC  .Cm LOC
 .Pq local manuals ,  .Pq local manuals ,
 or  or
 .Ar CON  .Cm CON
 .Pq contributed manuals .  .Pq contributed manuals .
 .It Ar arch  .It Ar arch
 This specifies the machine architecture a manual page applies to,  This specifies the machine architecture a manual page applies to,
Line 1407  See also
Line 1408  See also
 .Sx \&Er  .Sx \&Er
 and  and
 .Sx \&Ev  .Sx \&Ev
 for special-purpose constants and  for special-purpose constants,
 .Sx \&Va  .Sx \&Va
 for variable symbols.  for variable symbols, and
   .Sx \&Fd
   for listing preprocessor variable definitions in the
   .Em SYNOPSIS .
 .Ss \&Dx  .Ss \&Dx
 Format the  Format the
 .Dx  .Dx
Line 1570  See also
Line 1574  See also
 End a function context started by  End a function context started by
 .Sx \&Fo .  .Sx \&Fo .
 .Ss \&Fd  .Ss \&Fd
 Historically used to document include files.  Preprocessor directive, in particular for listing it in the
 This usage has been deprecated in favour of  .Em SYNOPSIS .
   Historically, it was also used to document include files.
   The latter usage has been deprecated in favour of
 .Sx \&In .  .Sx \&In .
 Do not use this macro.  
 .Pp  .Pp
   Its syntax is as follows:
   .Bd -ragged -offset indent
   .Pf \. Sx \&Fd
   .Li # Ns Ar directive
   .Op Ar argument ...
   .Ed
   .Pp
   Examples:
   .Dl \&.Fd #define sa_handler __sigaction_u.__sa_handler
   .Dl \&.Fd #define SIO_MAXNFDS
   .Dl \&.Fd #ifdef FS_DEBUG
   .Dl \&.Ft void
   .Dl \&.Fn dbg_open \(dqconst char *\(dq
   .Dl \&.Fd #endif
   .Pp
 See also  See also
 .Sx MANUAL STRUCTURE  .Sx MANUAL STRUCTURE ,
   .Sx \&In ,
 and  and
 .Sx \&In .  .Sx \&Dv .
 .Ss \&Fl  .Ss \&Fl
 Command-line flag or option.  Command-line flag or option.
 Used when listing arguments to command-line utilities.  Used when listing arguments to command-line utilities.
Line 1859  section as described in
Line 1880  section as described in
 .Pp  .Pp
 Examples:  Examples:
 .Dl \&.Lb libz  .Dl \&.Lb libz
 .Dl \&.Lb mdoc  .Dl \&.Lb libmandoc
 .Ss \&Li  .Ss \&Li
 Denotes text that should be in a  Denotes text that should be in a
 .Li literal  .Li literal
Line 2333  and
Line 2354  and
 .Sx \&Sx .  .Sx \&Sx .
 .Ss \&St  .Ss \&St
 Replace an abbreviation for a standard with the full form.  Replace an abbreviation for a standard with the full form.
 The following standards are recognised:  The following standards are recognised.
   Where multiple lines are given without a blank line in between,
   they all refer to the same standard, and using the first form
   is recommended.
   .Bl -tag -width 1n
   .It C language standards
 .Pp  .Pp
 .Bl -tag -width "-p1003.1g-2000X" -compact  .Bl -tag -width "-p1003.1g-2000" -compact
 .It \-p1003.1-88  .It \-ansiC
 .St -p1003.1-88  .St -ansiC
 .It \-p1003.1-90  .It \-ansiC-89
 .St -p1003.1-90  .St -ansiC-89
 .It \-p1003.1-96  
 .St -p1003.1-96  
 .It \-p1003.1-2001  
 .St -p1003.1-2001  
 .It \-p1003.1-2004  
 .St -p1003.1-2004  
 .It \-p1003.1-2008  
 .St -p1003.1-2008  
 .It \-p1003.1  
 .St -p1003.1  
 .It \-p1003.1b  
 .St -p1003.1b  
 .It \-p1003.1b-93  
 .St -p1003.1b-93  
 .It \-p1003.1c-95  
 .St -p1003.1c-95  
 .It \-p1003.1d-99  
 .St -p1003.1d-99  
 .It \-p1003.1g-2000  
 .St -p1003.1g-2000  
 .It \-p1003.1i-95  
 .St -p1003.1i-95  
 .It \-p1003.1j-2000  
 .St -p1003.1j-2000  
 .It \-p1003.1q-2000  
 .St -p1003.1q-2000  
 .It \-p1003.2  
 .St -p1003.2  
 .It \-p1003.2-92  
 .St -p1003.2-92  
 .It \-p1003.2a-92  
 .St -p1003.2a-92  
 .It \-p1387.2  
 .St -p1387.2  
 .It \-p1387.2-95  
 .St -p1387.2-95  
 .It \-isoC  .It \-isoC
 .St -isoC  .St -isoC
 .It \-isoC-90  .It \-isoC-90
 .St -isoC-90  .St -isoC-90
   .br
   The original C standard.
   .Pp
 .It \-isoC-amd1  .It \-isoC-amd1
 .St -isoC-amd1  .St -isoC-amd1
   .Pp
 .It \-isoC-tcor1  .It \-isoC-tcor1
 .St -isoC-tcor1  .St -isoC-tcor1
   .Pp
 .It \-isoC-tcor2  .It \-isoC-tcor2
 .St -isoC-tcor2  .St -isoC-tcor2
   .Pp
 .It \-isoC-99  .It \-isoC-99
 .St -isoC-99  .St -isoC-99
   .It \-ansiC-99
   .St -ansiC-99
   .br
   The second major version of the C language standard.
   .Pp
 .It \-isoC-2011  .It \-isoC-2011
 .St -isoC-2011  .St -isoC-2011
   .br
   The third major version of the C language standard.
   .El
   .It POSIX.1 before the Single UNIX Specification
   .Pp
   .Bl -tag -width "-p1003.1g-2000" -compact
   .It \-p1003.1-88
   .St -p1003.1-88
   .It \-p1003.1
   .St -p1003.1
   .br
   The original POSIX standard, based on ANSI C.
   .Pp
   .It \-p1003.1-90
   .St -p1003.1-90
 .It \-iso9945-1-90  .It \-iso9945-1-90
 .St -iso9945-1-90  .St -iso9945-1-90
   .br
   The first update of POSIX.1.
   .Pp
   .It \-p1003.1b-93
   .St -p1003.1b-93
   .It \-p1003.1b
   .St -p1003.1b
   .br
   Real-time extensions.
   .Pp
   .It \-p1003.1c-95
   .St -p1003.1c-95
   .br
   POSIX thread interfaces.
   .Pp
   .It \-p1003.1i-95
   .St -p1003.1i-95
   .br
   Technical Corrigendum.
   .Pp
   .It \-p1003.1-96
   .St -p1003.1-96
 .It \-iso9945-1-96  .It \-iso9945-1-96
 .St -iso9945-1-96  .St -iso9945-1-96
 .It \-iso9945-2-93  .br
 .St -iso9945-2-93  Includes POSIX.1-1990, 1b, 1c, and 1i.
 .It \-ansiC  .El
 .St -ansiC  .It X/Open Portability Guide version 4 and related standards
 .It \-ansiC-89  .Pp
 .St -ansiC-89  .Bl -tag -width "-p1003.1g-2000" -compact
 .It \-ansiC-99  
 .St -ansiC-99  
 .It \-ieee754  
 .St -ieee754  
 .It \-iso8802-3  
 .St -iso8802-3  
 .It \-iso8601  
 .St -iso8601  
 .It \-ieee1275-94  
 .St -ieee1275-94  
 .It \-xpg3  .It \-xpg3
 .St -xpg3  .St -xpg3
   .br
   An XPG4 precursor, published in 1989.
   .Pp
   .It \-p1003.2
   .St -p1003.2
   .It \-p1003.2-92
   .St -p1003.2-92
   .It \-iso9945-2-93
   .St -iso9945-2-93
   .br
   An XCU4 precursor.
   .Pp
   .It \-p1003.2a-92
   .St -p1003.2a-92
   .br
   Updates to POSIX.2.
   .Pp
 .It \-xpg4  .It \-xpg4
 .St -xpg4  .St -xpg4
   .br
   Based on POSIX.1 and POSIX.2, published in 1992.
   .El
   .It Single UNIX Specification version 1 and related standards
   .Pp
   .Bl -tag -width "-p1003.1g-2000" -compact
 .It \-xpg4.2  .It \-xpg4.2
 .St -xpg4.2  .St -xpg4.2
   .br
   This standard was published in 1994 and is also called SUSv1.
   It was used as the basis for UNIX 95 certification.
   The following three refer to parts of it.
   .Pp
   .It \-xsh4.2
   .St -xsh4.2
   .Pp
   .It \-xcurses4.2
   .St -xcurses4.2
   .Pp
   .It \-p1003.1g-2000
   .St -p1003.1g-2000
   .br
   Networking APIs, including sockets.
   .Pp
 .It \-xpg4.3  .It \-xpg4.3
 .St -xpg4.3  .St -xpg4.3
   .Pp
   .It \-svid4
   .St -svid4 ,
   .br
   Published in 1995.
   .El
   .It Single UNIX Specification version 2 and related standards
   .Pp
   .Bl -tag -width "-p1003.1g-2000" -compact
   .It \-susv2
   .St -susv2
   This Standard was published in 1997
   and is also called X/Open Portability Guide version 5.
   It was used as the basis for UNIX 98 certification.
   The following refer to parts of it.
   .Pp
 .It \-xbd5  .It \-xbd5
 .St -xbd5  .St -xbd5
 .It \-xcu5  .Pp
 .St -xcu5  
 .It \-xsh5  .It \-xsh5
 .St -xsh5  .St -xsh5
   .Pp
   .It \-xcu5
   .St -xcu5
   .Pp
 .It \-xns5  .It \-xns5
 .St -xns5  .St -xns5
 .It \-xns5.2  
 .St -xns5.2  
 .It \-xns5.2d2.0  .It \-xns5.2d2.0
 .St -xns5.2d2.0  .St -xns5.2d2.0
 .It \-xcurses4.2  .It \-xns5.2
 .St -xcurses4.2  .St -xns5.2
 .It \-susv2  .Pp
 .St -susv2  .It \-p1387.2
   .St -p1387.2
   .It \-p1387.2-95
   .St -p1387.2-95
   .br
   POSIX software administration.
   .El
   .It Single UNIX Specification version 3 and related standards
   .Pp
   .Bl -tag -width "-p1003.1g-2000X" -compact
   .It \-p1003.1d-99
   .St -p1003.1d-99
   .br
   Additional real-time extensions.
   .Pp
   .It \-p1003.1j-2000
   .St -p1003.1j-2000
   .br
   Advanced real-time extensions.
   .Pp
   .It \-p1003.1q-2000
   .St -p1003.1q-2000
   .br
   Amendment 7: Tracing [C Language].
   .Pp
   .It \-p1003.1-2001
   .St -p1003.1-2001
 .It \-susv3  .It \-susv3
 .St -susv3  .St -susv3
 .It \-svid4  .br
 .St -svid4  This standard is based on C99, SUSv2, POSIX.1-1996, 1d, and 1j.
   It is also called X/Open Portability Guide version 6.
   It is used as the basis for UNIX 03 certification.
   .Pp
   .It \-p1003.1-2004
   .St -p1003.1-2004
   .br
   The second and last Technical Corrigendum.
 .El  .El
   .It Single UNIX Specification version 4
   .Pp
   .Bl -tag -width "-p1003.1g-2000" -compact
   .It \-p1003.1-2008
   .St -p1003.1-2008
   .br
   This standard is also called SUSv4 and
   X/Open Portability Guide version 7.
   .Pp
   .It \-p1003.1-2013
   .St -p1003.1-2013
   .br
   This is the first Technical Corrigendum.
   .El
   .It Other standards
   .Pp
   .Bl -tag -width "-p1003.1g-2000" -compact
   .It \-ieee754
   .St -ieee754
   .br
   Floating-point arithmetic.
   .Pp
   .It \-iso8601
   .St -iso8601
   .br
   Representation of dates and times, published in 1988.
   .Pp
   .It \-iso8802-3
   .St -iso8802-3
   .br
   Ethernet local area networks.
   .Pp
   .It \-ieee1275-94
   .St -ieee1275-94
   .El
   .El
 .Ss \&Sx  .Ss \&Sx
 Reference a section or subsection in the same manual page.  Reference a section or subsection in the same manual page.
 The referenced section or subsection name must be identical to the  The referenced section or subsection name must be identical to the
Line 3120  The following features are unimplemented in mandoc:
Line 3273  The following features are unimplemented in mandoc:
 .Fl file Ar file .  .Fl file Ar file .
 .It  .It
 .Sx \&Bd  .Sx \&Bd
 .Fl offset Ar center  .Fl offset Cm center
 and  and
 .Fl offset Ar right .  .Fl offset Cm right .
 Groff does not implement centred and flush-right rendering either,  Groff does not implement centred and flush-right rendering either,
 but produces large indentations.  but produces large indentations.
 .It  .It
Legend:
Removed from v.1.220  
changed lines
  Added in v.1.226
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