version 1.120, 2010/06/06 10:49:56 |
version 1.131, 2010/07/05 13:12:32 |
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|
.\" $Id$ |
.\" $Id$ |
.\" |
.\" |
.\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@bsd.lv> |
.\" Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
|
.\" Copyright (c) 2010 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 |
|
|
whether in a macro or free-form text line, is ignored to the end of |
whether in a macro or free-form text line, is ignored to the end of |
line. A macro line with only a control character and comment escape, |
line. A macro line with only a control character and comment escape, |
.Sq \&.\e" , |
.Sq \&.\e" , |
is also ignored. Macro lines with only a control charater and optionally |
is also ignored. Macro lines with only a control character and optionally |
whitespace are stripped from input. |
whitespace are stripped from input. |
.Ss Reserved Characters |
.Ss Reserved Characters |
Within a macro line, the following characters are reserved: |
Within a macro line, the following characters are reserved: |
Line 167 also defined a set of package-specific |
|
Line 168 also defined a set of package-specific |
|
.Dq predefined strings , |
.Dq predefined strings , |
which, like |
which, like |
.Sx Special Characters , |
.Sx Special Characters , |
demark special output characters and strings by way of input codes. |
mark special output characters and strings by way of input codes. |
Predefined strings are escaped with the slash-asterisk, |
Predefined strings are escaped with the slash-asterisk, |
.Sq \e* : |
.Sq \e* : |
single-character |
single-character |
Line 333 must be the NAME section, consisting of at least one |
|
Line 334 must be the NAME section, consisting of at least one |
|
followed by |
followed by |
.Sx \&Nd . |
.Sx \&Nd . |
.Pp |
.Pp |
Following that, convention dictates specifying at least the SYNOPSIS and |
Following that, convention dictates specifying at least the |
DESCRIPTION sections, although this varies between manual sections. |
.Em SYNOPSIS |
|
and |
|
.Em DESCRIPTION |
|
sections, although this varies between manual sections. |
.Pp |
.Pp |
The following is a well-formed skeleton |
The following is a well-formed skeleton |
.Nm |
.Nm |
Line 450 And for the third, configurations (section 4): |
|
Line 454 And for the third, configurations (section 4): |
|
Manuals not in these sections generally don't need a |
Manuals not in these sections generally don't need a |
.Em SYNOPSIS . |
.Em SYNOPSIS . |
.Pp |
.Pp |
See |
Some macros are displayed differently in the |
.Sx \&Op , |
.Em SYNOPSIS |
|
section, particularly |
|
.Sx \&Nm , |
.Sx \&Cd , |
.Sx \&Cd , |
|
.Sx \&Fd , |
.Sx \&Fn , |
.Sx \&Fn , |
.Sx \&Ft , |
.Sx \&Fo , |
|
.Sx \&In , |
|
.Sx \&Vt , |
and |
and |
.Sx \&Vt . |
.Sx \&Ft . |
|
All of these macros are output on their own line. If two such |
|
dissimilar macros are pair-wise invoked (except for |
|
.Sx \&Ft |
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before |
|
.Sx \&Fo |
|
or |
|
.Sx \&Fn ) , |
|
they are separated by a vertical space, unless in the case of |
|
.Sx \&Fo , |
|
.Sx \&Fn , |
|
and |
|
.Sx \&Ft , |
|
which are always separated by vertical space. |
|
.Pp |
|
When text and macros following an |
|
.Sx \&Nm |
|
macro starting an input line span multiple output lines, |
|
all output lines but the first will be indented to align |
|
with the text immediately following the |
|
.Sx \&Nm |
|
macro, up to the next |
|
.Sx \&Nm , |
|
.Sx \&Sx , |
|
or |
|
.Sx \&Ss |
|
macro or the end of an enclosing block, whichever comes first. |
.It Em DESCRIPTION |
.It Em DESCRIPTION |
This expands upon the brief, one-line description in |
This expands upon the brief, one-line description in |
.Em NAME . |
.Em NAME . |
Line 651 has multiple heads. |
|
Line 686 has multiple heads. |
|
.It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope |
.It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope |
.It Sx \&It Ta \&No Ta Yes Ta closed by Sx \&It , Sx \&El |
.It Sx \&It Ta \&No Ta Yes Ta closed by Sx \&It , Sx \&El |
.It Sx \&Nd Ta \&No Ta \&No Ta closed by Sx \&Sh |
.It Sx \&Nd Ta \&No Ta \&No Ta closed by Sx \&Sh |
|
.It Sx \&Nm Ta \&No Ta Yes Ta closed by Sx \&Nm , Sx \&Sh , Sx \&Ss |
.It Sx \&Sh Ta \&No Ta \&No Ta closed by Sx \&Sh |
.It Sx \&Sh Ta \&No Ta \&No Ta closed by Sx \&Sh |
.It Sx \&Ss Ta \&No Ta \&No Ta closed by Sx \&Sh , Sx \&Ss |
.It Sx \&Ss Ta \&No Ta \&No Ta closed by Sx \&Sh , Sx \&Ss |
.El |
.El |
|
.Pp |
|
Note that the |
|
.Sx \&Nm |
|
macro is a |
|
.Sx Block full-implicit |
|
macro only when invoked as the first macro |
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in a |
|
.Em SYNOPSIS |
|
section line, else it is |
|
.Sx In-line . |
.Ss Block partial-explicit |
.Ss Block partial-explicit |
Like block full-explicit, but also with single-line scope. |
Like block full-explicit, but also with single-line scope. |
Each has at least a body and, in limited circumstances, a head |
Each has at least a body and, in limited circumstances, a head |
|
|
.Sx \&Aq . |
.Sx \&Aq . |
.Ss \&Ap |
.Ss \&Ap |
Inserts an apostrophe without any surrounding white-space. |
Inserts an apostrophe without any surrounding white-space. |
This is generally used as a grammatic device when referring to the verb |
This is generally used as a grammatical device when referring to the verb |
form of a function: |
form of a function: |
.Bd -literal -offset indent |
.Bd -literal -offset indent |
\&.Fn execve Ap d |
\&.Fn execve Ap d |
|
|
block. Does not have any tail arguments. |
block. Does not have any tail arguments. |
.Ss \&Bd |
.Ss \&Bd |
Begins a display block. |
Begins a display block. |
|
Its syntax is as follows: |
|
.Bd -ragged -offset indent |
|
.Pf \. Sx \&Bd |
|
.Fl type |
|
.Op Fl offset Ar width |
|
.Op Fl compact |
|
.Ed |
|
.Pp |
A display is collection of macros or text which may be collectively |
A display is collection of macros or text which may be collectively |
offset or justified in a manner different from that |
offset or justified in a manner different from that |
of the enclosing context. |
of the enclosing context. |
Line 1042 Centre-justify each line. |
|
Line 1096 Centre-justify each line. |
|
The type must be provided first. |
The type must be provided first. |
Secondary arguments are as follows: |
Secondary arguments are as follows: |
.Bl -tag -width 12n -offset indent |
.Bl -tag -width 12n -offset indent |
.It Fl offset Ar width |
.It Fl offset Ar val |
Offset by the value of |
Offset by the value of |
.Ar width , |
.Ar val , |
which is interpreted as one of the following, specified in order: |
which is interpreted as one of the following, specified in order: |
.Bl -item |
.Bl -item |
.It |
.It |
Line 1055 the width of standard indentation; |
|
Line 1109 the width of standard indentation; |
|
twice |
twice |
.Ar indent ; |
.Ar indent ; |
.Ar left , |
.Ar left , |
which has no effect ; |
which has no effect; |
.Ar right , |
.Ar right , |
which justifies to the right margin; and |
which justifies to the right margin; and |
.Ar center , |
.Ar center , |
Line 1073 As a scaling unit following the syntax described in |
|
Line 1127 As a scaling unit following the syntax described in |
|
As the calculated string length of the opaque string. |
As the calculated string length of the opaque string. |
.El |
.El |
.Pp |
.Pp |
If unset, it will revert to the value of |
If not provided an argument, it will be ignored. |
.Ar 8n |
|
as described in |
|
.Sx Scaling Widths . |
|
.It Fl compact |
.It Fl compact |
Do not assert a vertical space before the block. |
Do not assert a vertical space before the block. |
.It Fl file Ar file |
|
Prepend the file |
|
.Ar file |
|
before any text or macros within the block. |
|
.El |
.El |
.Pp |
.Pp |
Examples: |
Examples: |
|
|
and |
and |
.Sx \&Dl . |
.Sx \&Dl . |
.Ss \&Bf |
.Ss \&Bf |
|
Change the font mode for a scoped block of text. |
|
Its syntax is as follows: |
|
.Bd -ragged -offset indent |
|
.Pf \. Sx \&Bf |
|
.Oo |
|
.Fl emphasis | literal | symbolic | |
|
.Cm \&Em | \&Li | \&Sy |
|
.Oc |
|
.Ed |
|
.Pp |
|
The |
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.Fl emphasis |
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and |
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.Cm \&Em |
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argument are equivalent, as are |
|
.Fl symbolic |
|
and |
|
.Cm \&Sy, |
|
and |
|
.Fl literal |
|
and |
|
.Cm \&Li . |
|
Without an argument, this macro does nothing. |
|
The font mode continues until broken by a new font mode in a nested |
|
scope or |
|
.Sx \&Ef |
|
is encountered. |
|
.Pp |
|
See also |
|
.Sx \&Li , |
|
.Sx \&Ef , |
|
and |
|
.Sx \&Sy . |
.Ss \&Bk |
.Ss \&Bk |
|
Begins a keep block, containing a collection of macros or text |
|
to be kept together in the output. |
|
Its syntax is as follows: |
|
.Pp |
|
.D1 Pf \. Sx \&Bk Fl words |
|
.Pp |
|
Currently, the only argument implemented is |
|
.Fl words , |
|
requesting to keep together all words of the contained text |
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on the same output line. |
|
Subsequent arguments are ignored. |
|
.Pp |
|
Examples: |
|
.Bd -literal -offset indent |
|
\&.Bk \-words |
|
\&.Op o Ar output_file |
|
\&.Ek |
|
.Ed |
|
.Pp |
|
See also |
|
.Sx \&Ek . |
.Ss \&Bl |
.Ss \&Bl |
Begins a list composed of one or more list entries. |
Begins a list composed of one or more list entries. |
|
Its syntax is as follows: |
|
.Bd -ragged -offset indent |
|
.Pf \. Sx \&Bl |
|
.Fl type |
|
.Op Fl width Ar val |
|
.Op Fl offset Ar val |
|
.Op Fl compact |
|
.Op HEAD ... |
|
.Ed |
|
.Pp |
A list is associated with a type, which is a required argument. |
A list is associated with a type, which is a required argument. |
Other arguments are |
Other arguments are |
.Fl width , |
.Fl width , |
|
|
and |
and |
.Sx \&Ux . |
.Sx \&Ux . |
.Ss \&Ec |
.Ss \&Ec |
|
Close a scope started by |
|
.Sx \&Eo . |
|
Its syntax is as follows: |
|
.Pp |
|
.D1 Pf \. Sx \&Ec Op Cm TERM |
|
.Pp |
|
The |
|
.Cm TERM |
|
argument is used as the enclosure tail, for example, specifying \e(rq |
|
will emulate |
|
.Sx \&Dc . |
.Ss \&Ed |
.Ss \&Ed |
|
End a display context started by |
|
.Sx \&Bd . |
.Ss \&Ef |
.Ss \&Ef |
|
Ends a font mode context started by |
|
.Sx \&Bf . |
.Ss \&Ek |
.Ss \&Ek |
|
Ends a keep context started by |
|
.Sx \&Bk . |
.Ss \&El |
.Ss \&El |
Ends a list context started by |
Ends a list context started by |
.Sx \&Bl . |
.Sx \&Bl . |
|
|
.D1 \&.Em Remarks : |
.D1 \&.Em Remarks : |
.Ss \&En |
.Ss \&En |
.Ss \&Eo |
.Ss \&Eo |
|
An arbitrary enclosure. |
|
Its syntax is as follows: |
|
.Pp |
|
.D1 Pf \. Sx \&Eo Op Cm TERM |
|
.Pp |
|
The |
|
.Cm TERM |
|
argument is used as the enclosure head, for example, specifying \e(lq |
|
will emulate |
|
.Sx \&Do . |
.Ss \&Er |
.Ss \&Er |
Display error constants. |
Display error constants. |
.Pp |
.Pp |
|
|
See also |
See also |
.Sx \&Fo . |
.Sx \&Fo . |
.Ss \&Fc |
.Ss \&Fc |
|
Ends a function context started by |
|
.Sx \&Fo . |
.Ss \&Fd |
.Ss \&Fd |
Historically used to document include files. |
Historically used to document include files. |
This usage has been deprecated in favour of |
This usage has been deprecated in favour of |
Line 1656 This usage has been deprecated in favour of |
|
Line 1796 This usage has been deprecated in favour of |
|
Do not use this macro. |
Do not use this macro. |
.Pp |
.Pp |
See also |
See also |
|
.Sx MANUAL STRUCTURE |
|
and |
.Sx \&In . |
.Sx \&In . |
.Ss \&Fl |
.Ss \&Fl |
Command-line flag. |
Command-line flag. |
Line 1685 Its syntax is as follows: |
|
Line 1827 Its syntax is as follows: |
|
.Op Oo Cm argtype Oc Cm argname |
.Op Oo Cm argtype Oc Cm argname |
.Ed |
.Ed |
.Pp |
.Pp |
If invoked in the |
Function arguments are surrounded in parenthesis and |
.Em SYNOPSIS |
|
section, vertical space is asserted before and after the macro. |
|
In all cases, the function arguments are surrounded in parenthesis and |
|
are delimited by commas. |
are delimited by commas. |
If no arguments are specified, blank parenthesis are output. |
If no arguments are specified, blank parenthesis are output. |
.Pp |
.Pp |
|
|
.Ed |
.Ed |
.Pp |
.Pp |
See also |
See also |
.Sx \&Fa , |
.Sx MANUAL STRUCTURE |
.Sx \&Fo , |
|
.Sx \&Fc , |
|
and |
and |
.Sx \&Ft . |
.Sx \&Ft . |
.Ss \&Fo |
.Ss \&Fo |
Line 1728 Invocations usually occur in the following context: |
|
Line 1865 Invocations usually occur in the following context: |
|
.Pf \. Sx \&Fc |
.Pf \. Sx \&Fc |
.Ed |
.Ed |
.Pp |
.Pp |
In the |
|
.Em SYNOPSIS |
|
section, a |
|
.Sx \&Fo |
|
block is surrounded by vertical space unless |
|
.Sx \&Ft |
|
is the prior macro, in which case it is preceded by only a newline. |
|
.Pp |
|
A |
A |
.Sx \&Fo |
.Sx \&Fo |
scope is closed by |
scope is closed by |
.Pp |
.Pp |
See also |
See also |
|
.Sx MANUAL STRUCTURE , |
.Sx \&Fa , |
.Sx \&Fa , |
.Sx \&Fc , |
.Sx \&Fc , |
and |
and |
.Sx \&Fn . |
|
.Sx \&Fc . |
|
.Ss \&Fr |
|
.Ss \&Ft |
.Ss \&Ft |
A function type. |
A function type. |
Its syntax is as follows: |
Its syntax is as follows: |
.Pp |
.Pp |
.D1 Pf \. Sx \&Ft Cm functype |
.D1 Pf \. Sx \&Ft Cm functype |
.Pp |
.Pp |
If invoked before a |
|
.Sx \&Fo |
|
or |
|
.Sx \&Fn |
|
in the |
|
.Em SYNOPSIS |
|
section, a line-break will follow. |
|
Furthermore, if invoked in the |
|
.Em SYNOPSIS |
|
section, it will assert vertical space prior to its arguments. |
|
.Pp |
|
Examples: |
Examples: |
.D1 \&.Ft int |
.D1 \&.Ft int |
.Bd -literal -offset indent -compact |
.Bd -literal -offset indent -compact |
|
|
.Ed |
.Ed |
.Pp |
.Pp |
See also |
See also |
.Sx \&Fo , |
.Sx MANUAL STRUCTURE , |
.Sx \&Fc , |
.Sx \&Fn , |
and |
and |
.Sx \&Fn . |
.Sx \&Fo . |
.Ss \&Fx |
.Ss \&Fx |
Format the FreeBSD version provided as an argument, or a default value |
Format the FreeBSD version provided as an argument, or a default value |
if no argument is provided. |
if no argument is provided. |
|
|
section (only if invoked as the line macro), the first argument is |
section (only if invoked as the line macro), the first argument is |
preceded by |
preceded by |
.Qq #include , |
.Qq #include , |
the arguments is enclosed in angled braces, and a newline is asserted. |
the arguments is enclosed in angled braces. |
In all other invocations, only angled braces will enclose the argument. |
|
.Pp |
.Pp |
Examples |
Examples: |
.D1 \&.In sys/types |
.D1 \&.In sys/types |
|
.Pp |
|
See also |
|
.Sx MANUAL STRUCTURE . |
.Ss \&It |
.Ss \&It |
A list item. |
A list item. |
The syntax of this macro depends on the list type. |
The syntax of this macro depends on the list type. |
|
|
Subsequent this, only the |
Subsequent this, only the |
.Sq \&Ta |
.Sq \&Ta |
pseudo-macro may be used to delimit phrases. |
pseudo-macro may be used to delimit phrases. |
Furthermore, note that quoted sections propogate over tab-delimited |
Furthermore, note that quoted sections propagate over tab-delimited |
phrases on an |
phrases on an |
.Sx \&It , |
.Sx \&It , |
for example, |
for example, |
.Pp |
.Pp |
.D1 .It \(dqcol1 ; <TAB> col2 ;\(dq ; |
.D1 .It \(dqcol1 ; <TAB> col2 ;\(dq \&; |
.Pp |
.Pp |
will preserve the semicolon whitespace except for the last. |
will preserve the semicolon whitespace except for the last. |
.Pp |
.Pp |
|
|
.D1 \&.Lb libz |
.D1 \&.Lb libz |
.D1 \&.Lb mdoc |
.D1 \&.Lb mdoc |
.Ss \&Li |
.Ss \&Li |
|
Denotes text that should be in a literal font mode. |
|
Note that this is a presentation term and should not be used for |
|
stylistically decorating technical terms. |
.Ss \&Lk |
.Ss \&Lk |
Format a hyperlink. |
Format a hyperlink. |
Its syntax is as follows: |
Its syntax is as follows: |
|
|
.D1 \&.Mt discuss@manpages.bsd.lv |
.D1 \&.Mt discuss@manpages.bsd.lv |
.Ss \&Nd |
.Ss \&Nd |
.Ss \&Nm |
.Ss \&Nm |
|
The name of the manual page, or \(em in particular in section 1, 6, |
|
and 8 pages \(em of an additional command or feature documented in |
|
the manual page. |
|
When first invoked, the |
|
.Sx \&Nm |
|
macro expects a single argument, the name of the manual page. |
|
Usually, the first invocation happens in the |
|
.Em NAME |
|
section of the page. |
|
The specified name will be remembered and used whenever the macro is |
|
called again without arguments later in the page. |
|
The |
|
.Sx \&Nm |
|
macro uses |
|
.Sx Block full-implicit |
|
semantics when invoked as the first macro on an input line in the |
|
.Em SYNOPSIS |
|
section; otherwise, it uses ordinary |
|
.Sx In-line |
|
semantics. |
|
.Pp |
|
Examples: |
|
.Bd -literal -offset indent |
|
\&.Sh SYNOPSIS |
|
\&.Nm cat |
|
\&.Op Fl benstuv |
|
\&.Op Ar |
|
.Ed |
|
.Pp |
|
In the |
|
.Em SYNOPSIS |
|
of section 2, 3 and 9 manual pages, use the |
|
.Sx \&Fn |
|
macro rather than |
|
.Sx \&Nm |
|
to mark up the name of the manual page. |
.Ss \&No |
.Ss \&No |
.Ss \&Ns |
.Ss \&Ns |
.Ss \&Nx |
.Ss \&Nx |
|
|
.Ss \&Va |
.Ss \&Va |
.Ss \&Vt |
.Ss \&Vt |
A variable type. |
A variable type. |
This is also used for indicating global variables in the SYNOPSIS |
This is also used for indicating global variables in the |
|
.Em SYNOPSIS |
section, in which case a variable name is also specified. |
section, in which case a variable name is also specified. |
Note that it accepts |
Note that it accepts |
.Sx Block partial-implicit |
.Sx Block partial-implicit |
syntax when invoked as the first macro in the SYNOPSIS section, else it |
syntax when invoked as the first macro in the |
accepts ordinary |
.Em SYNOPSIS |
|
section, else it accepts ordinary |
.Sx In-line |
.Sx In-line |
syntax. |
syntax. |
.Pp |
.Pp |
Line 2113 which is used for function return types. |
|
Line 2272 which is used for function return types. |
|
.Pp |
.Pp |
Examples: |
Examples: |
.D1 \&.Vt unsigned char |
.D1 \&.Vt unsigned char |
.D1 \&.Vt extern const char * const sys_signame[] ; |
.D1 \&.Vt extern const char * const sys_signame[] \&; |
.Pp |
.Pp |
See also |
See also |
.Sx \&Ft |
.Sx MANUAL STRUCTURE |
and |
and |
.Sx \&Va . |
.Sx \&Va . |
.Ss \&Xc |
.Ss \&Xc |
Line 2148 This behaviour is for compatibility with |
|
Line 2307 This behaviour is for compatibility with |
|
.Pp |
.Pp |
Examples: |
Examples: |
.D1 \&.Xr mandoc 1 |
.D1 \&.Xr mandoc 1 |
.D1 \&.Xr mandoc 1 ; |
.D1 \&.Xr mandoc 1 \&; |
.D1 \&.Xr mandoc 1 \&Ns s behaviour |
.D1 \&.Xr mandoc 1 \&Ns s behaviour |
.Ss \&br |
.Ss \&br |
.Ss \&sp |
.Ss \&sp |
Line 2168 Heirloom troff, the other significant troff implementa |
|
Line 2327 Heirloom troff, the other significant troff implementa |
|
.Pp |
.Pp |
.Bl -dash -compact |
.Bl -dash -compact |
.It |
.It |
|
Old groff fails to assert a newline before |
|
.Sx \&Bd Fl ragged compact . |
|
.It |
groff behaves inconsistently when encountering |
groff behaves inconsistently when encountering |
.Pf non- Sx \&Fa |
.Pf non- Sx \&Fa |
children of |
children of |
|
|
.Sx \&Fn |
.Sx \&Fn |
in the |
in the |
.Em SYNOPSIS : |
.Em SYNOPSIS : |
at times newline(s) are suppressed dependong on whether a prior |
at times newline(s) are suppressed depending on whether a prior |
.Sx \&Fn |
.Sx \&Fn |
has been invoked. |
has been invoked. |
In mandoc, this is not the case. |
In mandoc, this is not the case. |
Line 2242 In quoted literals, groff allowed pair-wise double-quo |
|
Line 2404 In quoted literals, groff allowed pair-wise double-quo |
|
standalone double-quote in formatted output. |
standalone double-quote in formatted output. |
This idiosyncratic behaviour is not applicable in mandoc. |
This idiosyncratic behaviour is not applicable in mandoc. |
.It |
.It |
Display types |
Display offsets |
.Sx \&Bd |
.Sx \&Bd |
.Fl center |
.Fl offset Ar center |
and |
and |
.Fl right |
.Fl offset Ar right |
are aliases for |
are disregarded in mandoc. |
.Fl left |
Furthermore, troff specifies a |
in manodc. Furthermore, the |
|
.Fl file Ar file |
.Fl file Ar file |
argument is ignored. |
argument that is not supported in mandoc. |
Lastly, since text is not right-justified in mandoc (or even groff), |
Lastly, since text is not right-justified in mandoc (or even groff), |
.Fl ragged |
.Fl ragged |
and |
and |