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diff --git a/doc/groff.html.node/gtroff-Output.html b/doc/groff.html.node/gtroff-Output.html new file mode 100644 index 0000000..cab0daf --- /dev/null +++ b/doc/groff.html.node/gtroff-Output.html @@ -0,0 +1,100 @@ +<!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>gtroff Output (The GNU Troff Manual)</title> + +<meta name="description" content="gtroff Output (The GNU Troff Manual)"> +<meta name="keywords" content="gtroff Output (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="File-Formats.html" rel="up" title="File Formats"> +<link href="Device-and-Font-Description-Files.html" rel="next" title="Device and Font Description Files"> +<link href="File-Formats.html" rel="prev" title="File Formats"> + + +</head> + +<body lang="en"> +<div class="section-level-extent" id="gtroff-Output"> +<div class="nav-panel"> +<p> +Next: <a href="Device-and-Font-Description-Files.html" accesskey="n" rel="next">Device and Font Description Files</a>, Previous: <a href="File-Formats.html" accesskey="p" rel="prev">File Formats</a>, Up: <a href="File-Formats.html" accesskey="u" rel="up">File Formats</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> +<h3 class="section" id="gtroff-Output-1">6.1 <code class="code">gtroff</code> Output</h3> +<a class="index-entry-id" id="index-gtroff_002c-output"></a> +<a class="index-entry-id" id="index-output_002c-gtroff"></a> + +<p>This section describes the <code class="code">groff</code> intermediate output format +produced by GNU <code class="code">troff</code>. +</p> +<p>As <code class="code">groff</code> is a wrapper program around GNU <code class="code">troff</code> and +automatically calls an output driver (or “postprocessor”), this output +does not show up normally. This is why it is called +<em class="emph">intermediate</em>. <code class="code">groff</code> provides the option <samp class="option">-Z</samp> to +inhibit postprocessing such that the produced intermediate output is +sent to standard output just as it is when calling GNU <code class="code">troff</code> +directly. +</p> +<a class="index-entry-id" id="index-troff-output"></a> +<a class="index-entry-id" id="index-output_002c-troff"></a> +<a class="index-entry-id" id="index-intermediate-output"></a> +<a class="index-entry-id" id="index-output_002c-intermediate"></a> +<p>Here, the term <em class="dfn">troff output</em> describes what is output by +GNU <code class="code">troff</code>, while <em class="dfn">intermediate output</em> refers to the language +that is accepted by the parser that prepares this output for the output +drivers. This parser handles whitespace more flexibly than +<abbr class="acronym">AT&T</abbr>’s implementation and implements obsolete elements for +compatibility; otherwise, both formats are the same.<a class="footnote" id="DOCF124" href="groff.html_fot.html#FOOT124"><sup>124</sup></a> +</p> +<p>The main purpose of the intermediate output concept is to facilitate the +development of postprocessors by providing a common programming +interface for all devices. It has a language of its own that is +completely different from the <code class="code">gtroff</code> language. While the +<code class="code">gtroff</code> language is a high-level programming language for text +processing, the intermediate output language is a kind of low-level +assembler language by specifying all positions on the page for writing +and drawing. +</p> +<p>The intermediate output produced by <code class="code">gtroff</code> is fairly readable, +while output from <abbr class="acronym">AT&T</abbr> <code class="code">troff</code> is rather hard to +understand because of strange habits that are still supported, but not +used any longer by <code class="code">gtroff</code>. +</p> + + +<ul class="mini-toc"> +<li><a href="Language-Concepts.html" accesskey="1">Language Concepts</a></li> +<li><a href="Command-Reference.html" accesskey="2">Command Reference</a></li> +<li><a href="Intermediate-Output-Examples.html" accesskey="3">Intermediate Output Examples</a></li> +<li><a href="Output-Language-Compatibility.html" accesskey="4">Output Language Compatibility</a></li> +</ul> +</div> +<hr> +<div class="nav-panel"> +<p> +Next: <a href="Device-and-Font-Description-Files.html">Device and Font Description Files</a>, Previous: <a href="File-Formats.html">File Formats</a>, Up: <a href="File-Formats.html">File Formats</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> |