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changes for the shopt compatNN options

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Chet Ramey
2022-02-15 11:52:30 -05:00
parent bf09dfc08d
commit 6d69b62547
23 changed files with 5363 additions and 5092 deletions
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doc/bashref.html
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@@ -4,13 +4,13 @@
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<!-- This text is a brief description of the features that are present in
the Bash shell (version 5.2, 17 January 2022).
the Bash shell (version 5.2, 5 February 2022).
This is Edition 5.2, last updated 17 January 2022,
This is Edition 5.2, last updated 5 February 2022,
of The GNU Bash Reference Manual,
for Bash, Version 5.2.
Copyright (C) 1988-2021 Free Software Foundation, Inc.
Copyright (C) 1988-2022 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
@@ -77,10 +77,10 @@ Next: <a href="#Introduction" accesskey="n" rel="next">Introduction</a>, Previou
<span id="Bash-Features-1"></span><h1 class="top">Bash Features</h1>
<p>This text is a brief description of the features that are present in
the Bash shell (version 5.2, 17 January 2022).
the Bash shell (version 5.2, 5 February 2022).
The Bash home page is <a href="http://www.gnu.org/software/bash/">http://www.gnu.org/software/bash/</a>.
</p>
<p>This is Edition 5.2, last updated 17 January 2022,
<p>This is Edition 5.2, last updated 5 February 2022,
of <cite>The GNU Bash Reference Manual</cite>,
for <code>Bash</code>, Version 5.2.
</p>
@@ -9122,6 +9122,12 @@ example, <code>SIGTSTP</code>.
</li><li> Reserved words appearing in a context where reserved words are recognized
do not undergo alias expansion.
</li><li> Alias expansion is performed when initially parsing a command substitution.
The default mode generally defers it, when enabled, until the command
substitution is executed. This means that command substitution will not
expand aliases that are defined after the command substitution is initially
parsed (e.g., as part of a function definition).
</li><li> The <small>POSIX</small> <code>PS1</code> and <code>PS2</code> expansions of &lsquo;<samp>!</samp>&rsquo; to
the history number and &lsquo;<samp>!!</samp>&rsquo; to &lsquo;<samp>!</samp>&rsquo; are enabled,
and parameter expansion is performed on the values of <code>PS1</code> and
@@ -9358,8 +9364,8 @@ Previous: <a href="#Bash-POSIX-Mode" accesskey="p" rel="prev">Bash POSIX Mode</a
<span id="index-Compatibility-Level"></span>
<span id="index-Compatibility-Mode"></span>
<p>Bash-4.0 introduced the concept of a &lsquo;shell compatibility level&rsquo;, specified
as a set of options to the shopt builtin
<p>Bash-4.0 introduced the concept of a <em>shell compatibility level</em>,
specified as a set of options to the shopt builtin
(<code>compat31</code>,
<code>compat32</code>,
<code>compat40</code>,
@@ -10313,6 +10319,32 @@ variables.
</p>
<span id="index-variables_002c-readline"></span>
<dl compact="compact">
<dt id='index-active_002dregion_002dstart_002dcolor'><span><code>active-region-start-color</code><a href='#index-active_002dregion_002dstart_002dcolor' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>A string variable that controls the text color and background when displaying
the text in the active region (see the description of
<code>enable-active-region</code> below).
This string must not take up any physical character positions on the display,
so it should consist only of terminal escape sequences.
It is output to the terminal before displaying the text in the active region.
This variable is reset to the default value whenever the terminal type changes.
The default value is the string that puts the terminal in standout mode,
as obtained from the terminal&rsquo;s terminfo description.
A sample value might be &lsquo;<samp>\e[01;33m</samp>&rsquo;.
</p>
</dd>
<dt id='index-active_002dregion_002dend_002dcolor'><span><code>active-region-end-color</code><a href='#index-active_002dregion_002dend_002dcolor' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>A string variable that &quot;undoes&quot; the effects of <code>active-region-start-color</code>
and restores &quot;normal&quot; terminal display appearance after displaying text
in the active region.
This string must not take up any physical character positions on the display,
so it should consist only of terminal escape sequences.
It is output to the terminal after displaying the text in the active region.
This variable is reset to the default value whenever the terminal type changes.
The default value is the string that restores the terminal from standout mode,
as obtained from the terminal&rsquo;s terminfo description.
A sample value might be &lsquo;<samp>\e[0m</samp>&rsquo;.
</p>
</dd>
<dt id='index-bell_002dstyle'><span><code>bell-style</code><a href='#index-bell_002dstyle' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>Controls what happens when Readline wants to ring the terminal bell.
If set to &lsquo;<samp>none</samp>&rsquo;, Readline never rings the bell. If set to
@@ -10446,6 +10478,8 @@ The text between the point and mark is referred to as the <em>region</em>.
When this variable is set to &lsquo;<samp>On</samp>&rsquo;, Readline allows certain commands
to designate the region as <em>active</em>.
When the region is active, Readline highlights the text in the region using
the value of the <code>active-region-start-color</code>, which defaults to the
string that enables
the terminal&rsquo;s standout mode.
The active region shows the text inserted by bracketed-paste and any
matching text found by incremental and non-incremental history searches.
@@ -15149,6 +15183,8 @@ Next: <a href="#Function-Index" accesskey="n" rel="next">Function Index</a>, Pre
<tr><td></td><td valign="top"><a href="#index-_005f"><code>_</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Bash-Variables">Bash Variables</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th id="Variable-Index_vr_letter-A">A</th><td></td><td></td></tr>
<tr><td></td><td valign="top"><a href="#index-active_002dregion_002dend_002dcolor"><code>active-region-end-color</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Readline-Init-File-Syntax">Readline Init File Syntax</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-active_002dregion_002dstart_002dcolor"><code>active-region-start-color</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Readline-Init-File-Syntax">Readline Init File Syntax</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-auto_005fresume"><code>auto_resume</code></a>:</td><td>&nbsp;</td><td valign="top"><a href="#Job-Control-Variables">Job Control Variables</a></td></tr>
<tr><td colspan="4"> <hr></td></tr>
<tr><th id="Variable-Index_vr_letter-B">B</th><td></td><td></td></tr>