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diff --git a/doc/groff.html.node/Obsolete-Command.html b/doc/groff.html.node/Obsolete-Command.html new file mode 100644 index 0000000..b656c38 --- /dev/null +++ b/doc/groff.html.node/Obsolete-Command.html @@ -0,0 +1,74 @@ +<!DOCTYPE html> +<html> +<!-- Created by GNU Texinfo 7.0.3, https://www.gnu.org/software/texinfo/ --> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> +<!-- This manual documents GNU troff version 1.23.0. + +Copyright © 1994-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with no +Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A +copy of the license is included in the section entitled "GNU Free +Documentation License". --> +<title>Obsolete Command (The GNU Troff Manual)</title> + +<meta name="description" content="Obsolete Command (The GNU Troff Manual)"> +<meta name="keywords" content="Obsolete Command (The GNU Troff Manual)"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta name="viewport" content="width=device-width,initial-scale=1"> + +<link href="index.html" rel="start" title="Top"> +<link href="Request-Index.html" rel="index" title="Request Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Command-Reference.html" rel="up" title="Command Reference"> +<link href="Device-Control-Commands.html" rel="prev" title="Device Control Commands"> + + +</head> + +<body lang="en"> +<div class="subsubsection-level-extent" id="Obsolete-Command"> +<div class="nav-panel"> +<p> +Previous: <a href="Device-Control-Commands.html" accesskey="p" rel="prev">Device Control Commands</a>, Up: <a href="Command-Reference.html" accesskey="u" rel="up">Command Reference</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Request-Index.html" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<h4 class="subsubsection" id="Obsolete-Command-1">6.1.2.5 Obsolete Command</h4> +<p>In <abbr class="acronym">AT&T</abbr> <code class="code">troff</code> output, the writing of a single glyph is +mostly done by a very strange command that combines a horizontal move +and a single character giving the glyph name. It doesn’t have a command +code, but is represented by a 3-character argument consisting of exactly +2 digits and a character. +</p> +<dl class="table"> +<dt><var class="var">dd</var><var class="var">g</var></dt> +<dd><p>Move right <var class="var">dd</var> (exactly two decimal digits) basic units ‘<samp class="samp">u</samp>’, +then print glyph <var class="var">g</var> (represented as a single character). +</p> +<p>In GNU <code class="code">troff</code>, arbitrary syntactical space around and within this +command is allowed. Only when a preceding command on the same line ends +with an argument of variable length is a separating space obligatory. +In <abbr class="acronym">AT&T</abbr> <code class="code">troff</code>, large clusters of these and other +commands are used, mostly without spaces; this made such output almost +unreadable. +</p></dd> +</dl> + +<p>For modern high-resolution devices, this command does not make sense +because the width of the glyphs can become much larger than two decimal +digits. In <code class="code">gtroff</code>, this is only used for the devices <code class="code">X75</code>, +<code class="code">X75-12</code>, <code class="code">X100</code>, and <code class="code">X100-12</code>. For other devices, the +commands ‘<samp class="samp">t</samp>’ and ‘<samp class="samp">u</samp>’ provide a better functionality. +</p> + +</div> + + + +</body> +</html> |