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 "set solid." Once you began separating them with strips |
be "set solid." Once you began separating them with strips |
242 |
of lead, they were said to be "leaded", and the spacing was |
of lead, they were said to be "leaded", and the spacing was |
243 |
expressed in terms of the number of |
expressed in terms of the number of |
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, |
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. ("ps" means |
when the groff device is ps. ("ps" means |
526 |
"PostScript" -- the default device for which groff |
"PostScript"--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 |
|
|
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 "p" to their argument. |
you don't have to append "p" to their argument. |
615 |
<p> |
<p> |