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diff --git a/doc/groff.html.node/Changing-the-Type-Size.html b/doc/groff.html.node/Changing-the-Type-Size.html new file mode 100644 index 0000000..da02d8b --- /dev/null +++ b/doc/groff.html.node/Changing-the-Type-Size.html @@ -0,0 +1,159 @@ +<!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>Changing the Type Size (The GNU Troff Manual)</title> + +<meta name="description" content="Changing the Type Size (The GNU Troff Manual)"> +<meta name="keywords" content="Changing the Type Size (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="Manipulating-Type-Size-and-Vertical-Spacing.html" rel="up" title="Manipulating Type Size and Vertical Spacing"> +<link href="Changing-the-Vertical-Spacing.html" rel="next" title="Changing the Vertical Spacing"> +<link href="Manipulating-Type-Size-and-Vertical-Spacing.html" rel="prev" title="Manipulating Type Size and Vertical Spacing"> +<style type="text/css"> +<!-- +a.copiable-link {visibility: hidden; text-decoration: none; line-height: 0em} +div.example {margin-left: 3.2em} +span.r {font-family: initial; font-weight: normal; font-style: normal} +span:hover a.copiable-link {visibility: visible} +strong.def-name {font-family: monospace; font-weight: bold; font-size: larger} +--> +</style> + + +</head> + +<body lang="en"> +<div class="subsection-level-extent" id="Changing-the-Type-Size"> +<div class="nav-panel"> +<p> +Next: <a href="Changing-the-Vertical-Spacing.html" accesskey="n" rel="next">Changing the Vertical Spacing</a>, Previous: <a href="Manipulating-Type-Size-and-Vertical-Spacing.html" accesskey="p" rel="prev">Manipulating Type Size and Vertical Spacing</a>, Up: <a href="Manipulating-Type-Size-and-Vertical-Spacing.html" accesskey="u" rel="up">Manipulating Type Size and Vertical Spacing</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="subsection" id="Changing-the-Type-Size-1">5.20.1 Changing the Type Size</h4> + +<dl class="first-deffn"> +<dt class="deffn" id="index-_002eps"><span class="category-def">Request: </span><span><strong class="def-name"><code class="t">.ps</code></strong> <var class="def-var-arguments">[<span class="r"><i class="slanted">size</i></span>]</var><a class="copiable-link" href='#index-_002eps'> ¶</a></span></dt> +<dd><a class="index-entry-id" id="index-ps"></a> +</dd><dt class="deffnx def-cmd-deffn" id="index-_002eps-1"><span class="category-def">Request: </span><span><strong class="def-name"><code class="t">.ps</code></strong> <var class="def-var-arguments"><code class="t">+</code><span class="r"><i class="slanted">size</i></span></var><a class="copiable-link" href='#index-_002eps-1'> ¶</a></span></dt> +<dt class="deffnx def-cmd-deffn" id="index-_002eps-2"><span class="category-def">Request: </span><span><strong class="def-name"><code class="t">.ps</code></strong> <var class="def-var-arguments"><code class="t">-</code><span class="r"><i class="slanted">size</i></span></var><a class="copiable-link" href='#index-_002eps-2'> ¶</a></span></dt> +<dt class="deffnx def-cmd-deffn" id="index-_005cssize"><span class="category-def">Escape sequence: </span><span><strong class="def-name"><code class="t">\s</code><span class="r"><i class="slanted">size</i></span><code class="t"></code></strong><a class="copiable-link" href='#index-_005cssize'> ¶</a></span></dt> +<dd><a class="index-entry-id" id="index-_005cs"></a> +</dd><dt class="deffnx def-cmd-deffn" id="index-_005cn_005b_002es_005d"><span class="category-def">Register: </span><span><strong class="def-name"><code class="t">\n[.s]</code></strong><a class="copiable-link" href='#index-_005cn_005b_002es_005d'> ¶</a></span></dt> +<dd><a class="index-entry-id" id="index-_002es"></a> +<a class="index-entry-id" id="index-changing-type-sizes-_0028ps_002c-_005cs_0029"></a> +<a class="index-entry-id" id="index-type-sizes_002c-changing-_0028ps_002c-_005cs_0029"></a> +<a class="index-entry-id" id="index-point-sizes_002c-changing-_0028ps_002c-_005cs_0029"></a> +<p>Use the <code class="code">ps</code> request or the <code class="code">\s</code> escape sequence to change +(increase, decrease) the type size (in scaled points). Specify +<var class="var">size</var> as either an absolute type size, or as a relative change from +the current size. <code class="code">ps</code> with no argument restores the previous +size. The <code class="code">ps</code> request’s default scaling unit is ‘<samp class="samp">z</samp>’. The +requested size is rounded to the nearest valid size (with ties rounding +down) within the limits supported by the device. If the requested size +is non-positive, it is treated as 1<span class="dmn">u</span>. +</p> +<a class="index-entry-id" id="index-CSTR-_002354-errata-4"></a> +<a class="index-entry-id" id="index-CSTR-_002354-erratum_002c-ps-request"></a> +<a class="index-entry-id" id="index-CSTR-_002354-erratum_002c-_005cs-escape-sequence"></a> +<p>Type size alteration is incorrectly documented in the <abbr class="acronym">AT&T</abbr> +<code class="code">troff</code> manual, which claims “if [the requested size] is invalid, +the next larger valid size will result, with a maximum of +36”.<a class="footnote" id="DOCF84" href="groff.html_fot.html#FOOT84"><sup>84</sup></a> +</p> +<a class="index-entry-id" id="index-type-size-registers-_0028_002es_002c-_002eps_0029"></a> +<a class="index-entry-id" id="index-point-size-registers-_0028_002es_002c-_002eps_0029"></a> +<p>The read-only string-valued register <code class="code">.s</code> interpolates the type +size in points as a decimal fraction; it is associated with the +environment (see <a class="pxref" href="Environments.html">Environments</a>). To obtain the type size in scaled +points, interpolate the <code class="code">.ps</code> register instead (see <a class="pxref" href="Using-Fractional-Type-Sizes.html">Using Fractional Type Sizes</a>). +</p> +<p>The <code class="code">\s</code> escape sequence supports a variety of syntax forms. +</p> +<dl class="table"> +<dt><code class="code">\s<var class="var">n</var></code></dt> +<dd><p>Set the type size to <var class="var">n</var> points. <var class="var">n</var> must be a single +digit. If <var class="var">n</var> is 0, restore the previous size. +</p> +</dd> +<dt><code class="code">\s+<var class="var">n</var></code></dt> +<dt><code class="code">\s-<var class="var">n</var></code></dt> +<dd><p>Increase or decrease the type size by <var class="var">n</var> points. +<var class="var">n</var> must be exactly one digit. +</p> +</dd> +<dt><code class="code">\s(<var class="var">nn</var></code></dt> +<dd><p>Set the type size to <var class="var">nn</var> points. <var class="var">nn</var> must be exactly two +digits. +</p> +</dd> +<dt><code class="code">\s+(<var class="var">nn</var></code></dt> +<dt><code class="code">\s-(<var class="var">nn</var></code></dt> +<dt><code class="code">\s(+<var class="var">nn</var></code></dt> +<dt><code class="code">\s(-<var class="var">nn</var></code></dt> +<dd><p>Alter the type size in points by the two-digit value <var class="var">nn</var>. +</p></dd> +</dl> + +<p>See <a class="xref" href="Using-Fractional-Type-Sizes.html">Using Fractional Type Sizes</a>, for further syntactical forms of the +<code class="code">\s</code> escape sequence that additionally accept decimal fractions. +</p> +<div class="example"> +<div class="group"><pre class="example-preformatted">snap, snap, +.ps +2 +grin, grin, +.ps +2 +wink, wink, \s+2nudge, nudge,\s+8 say no more! +.ps 10 +</pre></div></div> +</dd></dl> + +<p>The <code class="code">\s</code> escape sequence affects the environment immediately and +doesn’t produce an input token. Consequently, it can be used in +requests like <code class="code">mc</code>, which expects a single character as an +argument, to change the type size on the fly. +</p> +<div class="example"> +<div class="group"><pre class="example-preformatted">.mc \s[20]x\s[0] +</pre></div></div> + +<dl class="first-deffn"> +<dt class="deffn" id="index-_002esizes"><span class="category-def">Request: </span><span><strong class="def-name"><code class="t">.sizes</code></strong> <var class="def-var-arguments">s1 s2 … sn [<code class="t">0</code>]</var><a class="copiable-link" href='#index-_002esizes'> ¶</a></span></dt> +<dd><a class="index-entry-id" id="index-sizes-1"></a> +<p>The <samp class="file">DESC</samp> file specifies which type sizes are allowed by the +output device; see <a class="ref" href="DESC-File-Format.html"><samp class="file">DESC</samp> File Format</a>. Use the <code class="code">sizes</code> request +to change this set of permissible sizes. Arguments are in scaled +points; see <a class="ref" href="Using-Fractional-Type-Sizes.html">Using Fractional Type Sizes</a>. Each can be a single +type size (such as ‘<samp class="samp">12000</samp>’), or a range of sizes (such as +‘<samp class="samp">4000-72000</samp>’). You can optionally end the list with a ‘<samp class="samp">0</samp>’. +</p></dd></dl> + +</div> +<hr> +<div class="nav-panel"> +<p> +Next: <a href="Changing-the-Vertical-Spacing.html">Changing the Vertical Spacing</a>, Previous: <a href="Manipulating-Type-Size-and-Vertical-Spacing.html">Manipulating Type Size and Vertical Spacing</a>, Up: <a href="Manipulating-Type-Size-and-Vertical-Spacing.html">Manipulating Type Size and Vertical Spacing</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> + + + +</body> +</html> |