/[groff]/groff/contrib/mom/momdoc/definitions.html
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revision 1.7 by wlemb, Mon Aug 9 09:07:48 2004 UTC revision 1.8 by wl, Mon Sep 13 15:57:39 2004 UTC
# Line 236  in Line 236  in
236  <a href="#TERMS_PICASPOINTS">points</a>.  <a href="#TERMS_PICASPOINTS">points</a>.
237  <p>  <p>
238  <em>In case you're interested...</em> In previous centuries,  <em>In case you're interested...</em> In previous centuries,
239  lines of type were separated by thin strips of -- you guessed it  lines of type were separated by thin strips of--you guessed
240  -- lead.  Lines of type that had no lead between them were said to  it--lead.  Lines of type that had no lead between them were said to
241  be &quot;set solid.&quot; Once you began separating them with strips  be &quot;set solid.&quot; Once you began separating them with strips
242  of lead, they were said to be &quot;leaded&quot;, and the spacing was  of lead, they were said to be &quot;leaded&quot;, and the spacing was
243  expressed in terms of the number of  expressed in terms of the number of
# Line 437  introduced with the comment character Line 437  introduced with the comment character
437          \#          \#
438  </pre>  </pre>
439    
440  When processing output, groff silently ignores everything on the  When processing output, groff silently ignores everything on a
441  line after the comment character.  line that begins with the comment character.
442    
443  <dt><a name="TERMS_CONTROLLINES"><em>Control Lines</em></a>  <dt><a name="TERMS_CONTROLLINES"><em>Control Lines</em></a>
444  <dd>Instructions to groff that appear on a line by themselves,  <dd>Instructions to groff that appear on a line by themselves,
# Line 515  while the <strong>groff</strong> escape Line 515  while the <strong>groff</strong> escape
515  <dd>Instructions embedded in a document that determine how groff processes  <dd>Instructions embedded in a document that determine how groff processes
516  the text for output.  <strong>mom</strong>'s macros always begin with a  the text for output.  <strong>mom</strong>'s macros always begin with a
517  period, on a line by themselves, and must be typed in capital letters.  period, on a line by themselves, and must be typed in capital letters.
518  Typically, macros contain complex commands issued to groff -- behind  Typically, macros contain complex commands issued to groff--behind
519  the scenes -- via groff  the scenes--via groff
520  <a href="#TERMS_PRIMITIVES">primitives</a>.  <a href="#TERMS_PRIMITIVES">primitives</a>.
521    
522  <dt><a name="TERMS_UNITS"><em>Machine units</em></a>  <dt><a name="TERMS_UNITS"><em>Machine units</em></a>
523  <dd>A machine unit is 1/1000 of a  <dd>A machine unit is 1/1000 of a
524  <a href="#TERMS_PICASPOINTS">point</a>  <a href="#TERMS_PICASPOINTS">point</a>
525  when the groff device is ps. (&quot;ps&quot; means  when the groff device is ps. (&quot;ps&quot; means
526  &quot;PostScript&quot; -- the default device for which groff  &quot;PostScript&quot;--the default device for which groff
527  prepares output, and the device for which <strong>mom</strong> was  prepares output, and the device for which <strong>mom</strong> was
528  specifically designed.)  specifically designed.)
529    
# Line 609  that set the size or measure of somethin Line 609  that set the size or measure of somethin
609  measure.  <strong>mom</strong>'s macros do not have default units  measure.  <strong>mom</strong>'s macros do not have default units
610  of measure.  There are a couple of exceptions, the most notable of  of measure.  There are a couple of exceptions, the most notable of
611  which are <strong>PT_SIZE</strong> and <strong>LS</strong>.  Both use  which are <strong>PT_SIZE</strong> and <strong>LS</strong>.  Both use
612  <a href="#TERMS_PICASPOINTS">*points</a>  <a href="#TERMS_PICASPOINTS">points</a>
613  as the default unit of measure, which means  as the default unit of measure, which means
614  you don't have to append &quot;p&quot; to their argument.  you don't have to append &quot;p&quot; to their argument.
615  <p>  <p>

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