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Diff for /mandoc/roff.7 between version 1.79 and 1.92

version 1.79, 2017/05/08 03:55:25 version 1.92, 2017/06/14 22:51:25
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 .\"     $Id$  .\"     $Id$
 .\"  .\"
 .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>  .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
 .\" Copyright (c) 2010, 2011, 2013-2015 Ingo Schwarze <schwarze@openbsd.org>  .\" Copyright (c) 2010,2011,2013-2015,2017 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 412  Create an alias for a number register.
Line 412  Create an alias for a number register.
 Currently unsupported.  Currently unsupported.
 .It Ic \&als Ar newname oldname  .It Ic \&als Ar newname oldname
 Create an alias for a request, string, macro, or diversion.  Create an alias for a request, string, macro, or diversion.
 Currently unsupported.  
 .It Ic \&am Ar macroname Op Ar endmacro  .It Ic \&am Ar macroname Op Ar endmacro
 Append to a macro definition.  Append to a macro definition.
 The syntax of this request is the same as that of  The syntax of this request is the same as that of
Line 527  Trailing characters are ignored.
Line 526  Trailing characters are ignored.
 Center the next  Center the next
 .Ar N  .Ar N
 input lines without filling.  input lines without filling.
 Currently ignored.  .Ar N
   defaults to 1.
   An argument of 0 or less ends centering.
   Currently, high level macros abort centering.
 .It Ic \&cf Ar filename  .It Ic \&cf Ar filename
 Output the contents of a file.  Output the contents of a file.
 Ignored because insecure.  Ignored because insecure.
Line 808  This is a Heirloom extension and currently unsupported
Line 810  This is a Heirloom extension and currently unsupported
 Set a trap within a diversion.  Set a trap within a diversion.
 Currently unsupported.  Currently unsupported.
 .It Ic \&ec Op Ar char  .It Ic \&ec Op Ar char
 Change the escape character.  Enable the escape mechanism and change the escape character.
 Currently unsupported.  The
   .Ar char
   argument defaults to the backslash
   .Pq Sq \e .
 .It Ic \&ecr  .It Ic \&ecr
 Restore the escape character.  Restore the escape character.
 Currently unsupported.  Currently unsupported.
Line 839  See
Line 844  See
 .Ic \&EQ .  .Ic \&EQ .
 .It Ic \&eo  .It Ic \&eo
 Disable the escape mechanism completely.  Disable the escape mechanism completely.
 Currently unsupported.  
 .It Ic \&EP  .It Ic \&EP
 End a picture started by  End a picture started by
 .Ic \&BP .  .Ic \&BP .
Line 1040  If the first character of
Line 1044  If the first character of
 is  is
 .Sq c  .Sq c
 .Pq character available ,  .Pq character available ,
 .Sq d  
 .Pq string defined ,  
 .Sq e  .Sq e
 .Pq even page ,  .Pq even page ,
 .Sq t  .Sq t
Line 1054  it evaluates to false.
Line 1056  it evaluates to false.
 If the first character of  If the first character of
 .Ar condition  .Ar condition
 is  is
   .Sq d ,
   it evaluates to true if the rest of
   .Ar condition
   is the name of an existing user defined macro or string;
   otherwise, it evaluates to false.
   .It
   If the first character of
   .Ar condition
   is
 .Sq r ,  .Sq r ,
 it evaluates to true if the rest of  it evaluates to true if the rest of
 .Ar condition  .Ar condition
Line 1294  Set title line length.
Line 1305  Set title line length.
 Currently ignored.  Currently ignored.
 .It Ic \&mc Ar glyph Op Ar dist  .It Ic \&mc Ar glyph Op Ar dist
 Print margin character in the right margin.  Print margin character in the right margin.
 Currently ignored.  The
   .Ar dist
   is currently ignored; instead, 1n is used.
 .It Ic \&mediasize Ar media  .It Ic \&mediasize Ar media
 Set the device media size.  Set the device media size.
 This is a Heirloom extension and currently ignored.  This is a Heirloom extension and currently ignored.
Line 1428  Currently ignored.
Line 1441  Currently ignored.
 Print all number registers on standard error output.  Print all number registers on standard error output.
 Currently ignored.  Currently ignored.
 .It Ic \&po Op Oo Cm + Ns | Ns Cm - Oc Ns Ar offset  .It Ic \&po Op Oo Cm + Ns | Ns Cm - Oc Ns Ar offset
 Set horizontal page offset.  Set a horizontal page offset.
 Currently ignored.  If no argument is specified, the page offset is reverted to its
   previous value.
   If a sign is specified, the new page offset is calculated relative
   to the current one; otherwise, it is absolute.
   The argument follows the syntax of
   .Sx Scaling Widths
   and the default scaling unit is
   .Cm m .
 .It Ic \&ps Op Oo Cm + Ns | Ns Cm - Oc Ns size  .It Ic \&ps Op Oo Cm + Ns | Ns Cm - Oc Ns size
 Change point size.  Change point size.
 Currently ignored.  Currently ignored.
Line 1470  This is a Heirloom extension and currently ignored.
Line 1490  This is a Heirloom extension and currently ignored.
 Justify the next  Justify the next
 .Ar N  .Ar N
 input lines to the right margin without filling.  input lines to the right margin without filling.
 Currently ignored.  .Ar N
   defaults to 1.
   An argument of 0 or less ends right adjustment.
 .It Ic \&rm Ar macroname  .It Ic \&rm Ar macroname
 Remove a request, macro or string.  Remove a request, macro or string.
 .It Ic \&rn Ar oldname newname  .It Ic \&rn Ar oldname newname
 Rename a request, macro, diversion, or string.  Rename a request, macro, diversion, or string.
 Currently unsupported.  In
   .Xr mandoc 1 ,
   user-defined macros,
   .Xr mdoc 7
   and
   .Xr man 7
   macros, and user-defined strings can be renamed, but renaming of
   predefined strings and of
   .Nm
   requests is not supported, and diversions are not implemented at all.
 .It Ic \&rnn Ar oldname newname  .It Ic \&rnn Ar oldname newname
 Rename a number register.  Rename a number register.
 Currently unsupported.  Currently unsupported.
Line 1585  Currently unsupported.
Line 1616  Currently unsupported.
 End a table context.  End a table context.
 See  See
 .Sx \&TS .  .Sx \&TS .
 .It Ic \&tii Oo Cm + Ns | Ns Cm - Oc Ns Ar width  .It Ic \&ti Oo Cm + Ns | Ns Cm - Oc Ns Ar width
 Temporary indent.  Break the output line and indent the next output line by
 Currently unsupported.  .Ar width .
   If a sign is specified, the temporary indentation is calculated
   relative to the current indentation; otherwise, it is absolute.
   The argument follows the syntax of
   .Sx Scaling Widths
   and the default scaling unit is
   .Cm m .
 .It Ic \&tkf Ar font minps width1 maxps width2  .It Ic \&tkf Ar font minps width1 maxps width2
 Enable track kerning for a font.  Enable track kerning for a font.
 Currently ignored.  Currently ignored.
Line 1761  logical and (corresponds to C
Line 1798  logical and (corresponds to C
 .Ic && )  .Ic && )
 .It Ic \&:  .It Ic \&:
 logical or (corresponds to C  logical or (corresponds to C
 .Ic \&|| )  .Ic || )
 .It Ic <?  .It Ic <?
 minimum (not available in C)  minimum (not available in C)
 .It Ic >?  .It Ic >?
Line 1919  and
Line 1956  and
 .Ss \eH\(aq Ns Oo +|- Oc Ns Ar number Ns \(aq  .Ss \eH\(aq Ns Oo +|- Oc Ns Ar number Ns \(aq
 Set the height of the current font; ignored by  Set the height of the current font; ignored by
 .Xr mandoc 1 .  .Xr mandoc 1 .
 .Ss \eh\(aq Ns Ar number Ns \(aq  .Ss \eh\(aq Ns Ar width Ns \(aq
 Horizontal motion; ignored by  Horizontal motion relative to the current position.
 .Xr mandoc 1 .  The default scaling unit is
   .Cm m .
 .Ss \ek[ Ns Ar name ]  .Ss \ek[ Ns Ar name ]
 Mark horizontal input place in register; ignored by  Mark horizontal input place in register; ignored by
 .Xr mandoc 1 .  .Xr mandoc 1 .
Line 1932  and
Line 1970  and
 .Ss \eL\(aq Ns Ar number Ns Oo Ar c Oc Ns \(aq  .Ss \eL\(aq Ns Ar number Ns Oo Ar c Oc Ns \(aq
 Vertical line drawing function; ignored by  Vertical line drawing function; ignored by
 .Xr mandoc 1 .  .Xr mandoc 1 .
 .Ss \el\(aq Ns Ar number Ns Oo Ar c Oc Ns \(aq  .Ss \el\(aq Ns Ar width Ns Oo Ar c Oc Ns \(aq
 Horizontal line drawing function; ignored by  Draw a horizontal line of
 .Xr mandoc 1 .  .Ar width
   using the glyph
   .Ar c .
 .Ss \eM[ Ns Ar name ]  .Ss \eM[ Ns Ar name ]
 Set fill (background) color (groff extension); ignored by  Set fill (background) color (groff extension); ignored by
 .Xr mandoc 1 .  .Xr mandoc 1 .
Line 1966  Overstrike, writing all the characters contained in th
Line 2006  Overstrike, writing all the characters contained in th
 to the same output position.  to the same output position.
 In terminal and HTML output modes,  In terminal and HTML output modes,
 only the last one of the characters is visible.  only the last one of the characters is visible.
   .Ss \ep
   Break the output line at the end of the current word.
 .Ss \eR\(aq Ns Ar name Oo +|- Oc Ns Ar number Ns \(aq  .Ss \eR\(aq Ns Ar name Oo +|- Oc Ns Ar number Ns \(aq
 Set number register; ignored by  Set number register; ignored by
 .Xr mandoc 1 .  .Xr mandoc 1 .
Legend:
Removed from v.1.79  
changed lines
  Added in v.1.92
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