version 1.124, 2014/02/16 14:26:55 |
version 1.127, 2014/06/22 16:39:45 |
Line 106 file for a utility |
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Line 106 file for a utility |
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\efBprogname\efR [\efB\e-options\efR] \efIfile ...\efR |
\efBprogname\efR [\efB\e-options\efR] \efIfile ...\efR |
\&.SH DESCRIPTION |
\&.SH DESCRIPTION |
The \efBfoo\efR utility processes files ... |
The \efBfoo\efR utility processes files ... |
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\&.\e\(dq .Sh CONTEXT |
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\&.\e\(dq For section 9 functions only. |
\&.\e\(dq .SH IMPLEMENTATION NOTES |
\&.\e\(dq .SH IMPLEMENTATION NOTES |
\&.\e\(dq Not used in OpenBSD. |
\&.\e\(dq Not used in OpenBSD. |
\&.\e\(dq .SH RETURN VALUES |
\&.\e\(dq .SH RETURN VALUES |
Line 171 This expands upon the brief, one-line description in |
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Line 173 This expands upon the brief, one-line description in |
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.Em NAME . |
.Em NAME . |
It usually contains a break-down of the options (if documenting a |
It usually contains a break-down of the options (if documenting a |
command). |
command). |
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.It Em CONTEXT |
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This section lists the contexts in which functions can be called in section 9. |
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The contexts are autoconf, process, or interrupt. |
.It Em IMPLEMENTATION NOTES |
.It Em IMPLEMENTATION NOTES |
Implementation-specific notes should be kept here. |
Implementation-specific notes should be kept here. |
This is useful when implementing standard functions that may have side |
This is useful when implementing standard functions that may have side |
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.Ss \&fi |
.Ss \&fi |
End literal mode begun by |
End literal mode begun by |
.Sx \&nf . |
.Sx \&nf . |
.Ss \&ft |
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Change the current font mode. |
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See |
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.Sx Text Decoration |
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for a listing of available font modes. |
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.Ss \&in |
.Ss \&in |
Indent relative to the current indentation: |
Indent relative to the current indentation: |
.Pp |
.Pp |
Line 787 The syntax is as follows: |
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Line 787 The syntax is as follows: |
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.It Sx \&UC Ta <=1 Ta current Ta \& |
.It Sx \&UC Ta <=1 Ta current Ta \& |
.It Sx \&br Ta 0 Ta current Ta compat |
.It Sx \&br Ta 0 Ta current Ta compat |
.It Sx \&fi Ta 0 Ta current Ta compat |
.It Sx \&fi Ta 0 Ta current Ta compat |
.It Sx \&ft Ta 1 Ta current Ta compat |
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.It Sx \&in Ta 1 Ta current Ta compat |
.It Sx \&in Ta 1 Ta current Ta compat |
.It Sx \&na Ta 0 Ta current Ta compat |
.It Sx \&na Ta 0 Ta current Ta compat |
.It Sx \&nf Ta 0 Ta current Ta compat |
.It Sx \&nf Ta 0 Ta current Ta compat |
Line 874 Note that macros like |
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Line 873 Note that macros like |
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.Sx \&BR |
.Sx \&BR |
open and close a font scope for each argument. |
open and close a font scope for each argument. |
.Sh COMPATIBILITY |
.Sh COMPATIBILITY |
This section documents areas of questionable portability between |
This section mentions some areas of questionable portability between |
implementations of the |
implementations of the |
.Nm |
.Nm |
language. |
language. |
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More incompatibilities exist. |
.Pp |
.Pp |
.Bl -dash -compact |
.Bl -dash -compact |
.It |
.It |
Line 889 to close out a literal context opened with |
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Line 889 to close out a literal context opened with |
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.Sx \&nf . |
.Sx \&nf . |
This behaviour may not be portable. |
This behaviour may not be portable. |
.It |
.It |
In quoted literals, GNU troff allowed pair-wise double-quotes to produce |
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a standalone double-quote in formatted output. |
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It is not known whether this behaviour is exhibited by other formatters. |
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.It |
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troff suppresses a newline before |
troff suppresses a newline before |
.Sq \(aq |
.Sq \(aq |
macro output; in mandoc, it is an alias for the standard |
macro output; in mandoc, it is an alias for the standard |
.Sq \&. |
.Sq \&. |
control character. |
control character. |
.It |
.It |
The |
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.Sq \eh |
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.Pq horizontal position , |
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.Sq \ev |
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.Pq vertical position , |
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.Sq \em |
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.Pq text colour , |
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.Sq \eM |
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.Pq text filling colour , |
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.Sq \ez |
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.Pq zero-length character , |
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.Sq \ew |
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.Pq string length , |
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.Sq \ek |
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.Pq horizontal position marker , |
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.Sq \eo |
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.Pq text overstrike , |
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and |
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.Sq \es |
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.Pq text size |
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escape sequences are all discarded in mandoc. |
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.It |
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The |
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.Sq \ef |
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scaling unit is accepted by mandoc, but rendered as the default unit. |
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.It |
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The |
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.Sx \&sp |
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macro does not accept negative values in mandoc. |
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In GNU troff, this would result in strange behaviour. |
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.It |
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In page header lines, GNU troff versions up to and including 1.21 |
In page header lines, GNU troff versions up to and including 1.21 |
only print |
only print |
.Ar volume |
.Ar volume |
Line 945 is given, like in |
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Line 910 is given, like in |
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.El |
.El |
.Pp |
.Pp |
The |
The |
.Sx OP |
.Sx EE , |
macro is part of the extended |
.Sx EX , |
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.Sx OP , |
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.Sx UE , |
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and |
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.Sx UR |
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macros are part of the GNU extended |
.Nm |
.Nm |
macro set, and may not be portable to non-GNU troff implementations. |
macro set, and may not be portable to non-GNU troff implementations. |
.Sh SEE ALSO |
.Sh SEE ALSO |