[latexrefman-commits] [SCM] latexrefman updated: r740 - trunk
jimhefferon at gnu.org.ua
jimhefferon at gnu.org.ua
Sat Nov 24 16:11:27 CET 2018
Author: jimhefferon
Date: 2018-11-24 17:11:27 +0200 (Sat, 24 Nov 2018)
New Revision: 740
Modified:
trunk/ChangeLog
trunk/latex2e.html
trunk/latex2e.info
trunk/latex2e.pdf
trunk/latex2e.texi
Log:
\DeclareTextCommandDefault
Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog 2018-11-24 13:10:48 UTC (rev 739)
+++ trunk/ChangeLog 2018-11-24 15:11:27 UTC (rev 740)
@@ -1,5 +1,9 @@
2018-11-24 Jim Hefferon <jhefferon at smcvt.edu>
+ * latex2e.texi (\DeclareTextCommandDefault & \ProvideTextCommandDefault): Added.
+
+2018-11-24 Jim Hefferon <jhefferon at smcvt.edu>
+
* latex2e.texi (\DeclareFontEncoding): Added.
(\DeclareTextCompositeCommand): Added.
(\LastDeclaredEncoding): Added.
Modified: trunk/latex2e.html
===================================================================
--- trunk/latex2e.html 2018-11-24 13:10:48 UTC (rev 739)
+++ trunk/latex2e.html 2018-11-24 15:11:27 UTC (rev 740)
@@ -188,10 +188,11 @@
<li><a name="toc-_005cDeclareFontEncoding-1" href="#g_t_005cDeclareFontEncoding">4.1.1 <code>\DeclareFontEncoding</code></a></li>
<li><a name="toc-_005cDeclareTextAccent-1" href="#g_t_005cDeclareTextAccent">4.1.2 <code>\DeclareTextAccent</code></a></li>
<li><a name="toc-_005cDeclareTextCommand-_0026-_005cProvideTextCommand-1" href="#g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand">4.1.3 <code>\DeclareTextCommand</code> & <code>\ProvideTextCommand</code></a></li>
- <li><a name="toc-_005cDeclareTextComposite-1" href="#g_t_005cDeclareTextComposite">4.1.4 <code>\DeclareTextComposite</code></a></li>
- <li><a name="toc-_005cDeclareTextCompositeCommand-1" href="#g_t_005cDeclareTextCompositeCommand">4.1.5 <code>\DeclareTextCompositeCommand</code></a></li>
- <li><a name="toc-_005cDeclareTextSymbol-1" href="#g_t_005cDeclareTextSymbol">4.1.6 <code>\DeclareTextSymbol</code></a></li>
- <li><a name="toc-_005cLastDeclaredEncoding-1" href="#g_t_005cLastDeclaredEncoding">4.1.7 <code>\LastDeclaredEncoding</code></a></li>
+ <li><a name="toc-_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault-" href="#g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault">4.1.4 <code>\DeclareTextCommandDefault</code> & <code>\ProvideTextCommandDefault </code></a></li>
+ <li><a name="toc-_005cDeclareTextComposite-1" href="#g_t_005cDeclareTextComposite">4.1.5 <code>\DeclareTextComposite</code></a></li>
+ <li><a name="toc-_005cDeclareTextCompositeCommand-1" href="#g_t_005cDeclareTextCompositeCommand">4.1.6 <code>\DeclareTextCompositeCommand</code></a></li>
+ <li><a name="toc-_005cDeclareTextSymbol-1" href="#g_t_005cDeclareTextSymbol">4.1.7 <code>\DeclareTextSymbol</code></a></li>
+ <li><a name="toc-_005cLastDeclaredEncoding-1" href="#g_t_005cLastDeclaredEncoding">4.1.8 <code>\LastDeclaredEncoding</code></a></li>
</ul></li>
<li><a name="toc-Font-styles-1" href="#Font-styles">4.2 Font styles</a></li>
<li><a name="toc-Font-sizes-1" href="#Font-sizes">4.3 Font sizes</a></li>
@@ -2143,14 +2144,16 @@
</td></tr>
<tr><td align="left" valign="top">• <a href="#g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand" accesskey="3">\DeclareTextCommand & \ProvideTextCommand</a>:</td><td> </td><td align="left" valign="top">New encoding-specific command.
</td></tr>
-<tr><td align="left" valign="top">• <a href="#g_t_005cDeclareTextComposite" accesskey="4">\DeclareTextComposite</a>:</td><td> </td><td align="left" valign="top">Directly access an accented glyph, in the encoding.
+<tr><td align="left" valign="top">• <a href="#g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault" accesskey="4">\DeclareTextCommandDefault & \ProvideTextCommandDefault</a>:</td><td> </td><td align="left" valign="top">Fallback for encoding-specific commands.
</td></tr>
-<tr><td align="left" valign="top">• <a href="#g_t_005cDeclareTextCompositeCommand" accesskey="5">\DeclareTextCompositeCommand</a>:</td><td> </td><td align="left" valign="top">Run code in slot, in the encoding.
+<tr><td align="left" valign="top">• <a href="#g_t_005cDeclareTextComposite" accesskey="5">\DeclareTextComposite</a>:</td><td> </td><td align="left" valign="top">Directly access an accented glyph, in the encoding.
</td></tr>
-<tr><td align="left" valign="top">• <a href="#g_t_005cDeclareTextSymbol" accesskey="6">\DeclareTextSymbol</a>:</td><td> </td><td align="left" valign="top">Define a symbol in the encoding.
+<tr><td align="left" valign="top">• <a href="#g_t_005cDeclareTextCompositeCommand" accesskey="6">\DeclareTextCompositeCommand</a>:</td><td> </td><td align="left" valign="top">Run code in slot, in the encoding.
</td></tr>
-<tr><td align="left" valign="top">• <a href="#g_t_005cLastDeclaredEncoding" accesskey="7">\LastDeclaredEncoding</a>:</td><td> </td><td align="left" valign="top">Save most recently declared encoding.
+<tr><td align="left" valign="top">• <a href="#g_t_005cDeclareTextSymbol" accesskey="7">\DeclareTextSymbol</a>:</td><td> </td><td align="left" valign="top">Define a symbol in the encoding.
</td></tr>
+<tr><td align="left" valign="top">• <a href="#g_t_005cLastDeclaredEncoding" accesskey="8">\LastDeclaredEncoding</a>:</td><td> </td><td align="left" valign="top">Save most recently declared encoding.
+</td></tr>
</table>
@@ -2196,7 +2199,15 @@
<p>If you invent an encoding you should pick a two or three letter name
starting with ‘<samp>L</samp>’ for ‘<samp>local</samp>’, or ‘<samp>E</samp>’ for
‘<samp>experimental</samp>’.
-</p>
+</p>
+<p>Note that output encoding files may be read several times by LaTeX so
+using, e.g., <code>\newcommand</code> may cause an error. In addition, such
+files should contain <code>\ProvidesFile</code> line (see <a href="#Class-and-package-commands">Class and package commands</a>).
+</p>
+<p>Note also that you should use the <code>\...Default</code> commands only in a
+package, not in the encoding definition files, since those files
+should only contain declarations specific to that encoding.
+</p>
<hr>
<a name="g_t_005cDeclareTextAccent"></a>
@@ -2240,13 +2251,14 @@
<a name="g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand"></a>
<div class="header">
<p>
-Next: <a href="#g_t_005cDeclareTextComposite" accesskey="n" rel="next">\DeclareTextComposite</a>, Previous: <a href="#g_t_005cDeclareTextAccent" accesskey="p" rel="prev">\DeclareTextAccent</a>, Up: <a href="#fontenc-package" accesskey="u" rel="up">fontenc package</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="#Index" title="Index" rel="index">Index</a>]</p>
+Next: <a href="#g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault" accesskey="n" rel="next">\DeclareTextCommandDefault & \ProvideTextCommandDefault</a>, Previous: <a href="#g_t_005cDeclareTextAccent" accesskey="p" rel="prev">\DeclareTextAccent</a>, Up: <a href="#fontenc-package" accesskey="u" rel="up">fontenc package</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="#Index" title="Index" rel="index">Index</a>]</p>
</div>
<a name="g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand-1"></a>
<h4 class="subsection">4.1.3 <code>\DeclareTextCommand</code> & <code>\ProvideTextCommand</code></h4>
<a name="index-Font-encoding-3"></a>
<a name="index-_005cDeclareTextCommand"></a>
+<a name="index-_005cDeclareTextCommandDefault"></a>
<a name="index-_005cProvideTextCommand"></a>
<p>Synopsis, one of:
@@ -2307,15 +2319,64 @@
</p>
<hr>
+<a name="g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault"></a>
+<div class="header">
+<p>
+Next: <a href="#g_t_005cDeclareTextComposite" accesskey="n" rel="next">\DeclareTextComposite</a>, Previous: <a href="#g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand" accesskey="p" rel="prev">\DeclareTextCommand & \ProvideTextCommand</a>, Up: <a href="#fontenc-package" accesskey="u" rel="up">fontenc package</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="#Index" title="Index" rel="index">Index</a>]</p>
+</div>
+<a name="g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault-"></a>
+<h4 class="subsection">4.1.4 <code>\DeclareTextCommandDefault</code> & <code>\ProvideTextCommandDefault </code></h4>
+<a name="index-Font-encoding-4"></a>
+<a name="index-_005cDeclareTextCommand-1"></a>
+<a name="index-_005cDeclareTextCommandDefault-1"></a>
+<a name="index-_005cProvideTextCommand-1"></a>
+<a name="index-_005cProvideTextCommandDefault"></a>
+
+<p>Synopsis:
+</p>
+<div class="example">
+<pre class="example">\DeclareTextCommandDefault{<var>cmd</var>}{<var>defn</var>}
+</pre></div>
+
+<p>or:
+</p>
+<div class="example">
+<pre class="example">\ProvideTextCommandDefault{<var>cmd</var>}{<var>defn</var>}
+</pre></div>
+
+<p>Give a default definition for <var>cmd</var>, for when that command is not
+defined in the encoding currently in force. This default should only use
+encodings known to be available.
+</p>
+<p>This makes <code>\copyright</code> available.
+</p>
+<div class="example">
+<pre class="example">\DeclareTextCommandDefault{\copyright}{\textcircled{c}}
+</pre></div>
+
+<p>It uses only an encoding (OMS) that is always available.
+</p>
+<p>The <code>\DeclareTextCommandDefault</code> should not occur in the encoding
+definition files since those files should declare only commands for use
+when you select that encoding. It should instead be in a package.
+</p>
+<p>As with the related non-default commands, the
+<code>\ProvideTextCommandDefault</code> has exactly the same behavior as
+<code>\DeclareTextCommandDefault</code> except that it does nothing if
+<var>cmd</var> is already defined (see <a href="#g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand">\DeclareTextCommand & \ProvideTextCommand</a>). So, packages can use it to provide fallbacks
+that other packages can improve upon.
+</p>
+
+<hr>
<a name="g_t_005cDeclareTextComposite"></a>
<div class="header">
<p>
-Next: <a href="#g_t_005cDeclareTextCompositeCommand" accesskey="n" rel="next">\DeclareTextCompositeCommand</a>, Previous: <a href="#g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand" accesskey="p" rel="prev">\DeclareTextCommand & \ProvideTextCommand</a>, Up: <a href="#fontenc-package" accesskey="u" rel="up">fontenc package</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="#Index" title="Index" rel="index">Index</a>]</p>
+Next: <a href="#g_t_005cDeclareTextCompositeCommand" accesskey="n" rel="next">\DeclareTextCompositeCommand</a>, Previous: <a href="#g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault" accesskey="p" rel="prev">\DeclareTextCommandDefault & \ProvideTextCommandDefault</a>, Up: <a href="#fontenc-package" accesskey="u" rel="up">fontenc package</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="#Index" title="Index" rel="index">Index</a>]</p>
</div>
<a name="g_t_005cDeclareTextComposite-1"></a>
-<h4 class="subsection">4.1.4 <code>\DeclareTextComposite</code></h4>
+<h4 class="subsection">4.1.5 <code>\DeclareTextComposite</code></h4>
-<a name="index-Font-encoding-4"></a>
+<a name="index-Font-encoding-5"></a>
<a name="index-Accents_002c-defining-2"></a>
<a name="index-_005cDeclareTextComposite"></a>
@@ -2353,9 +2414,9 @@
Next: <a href="#g_t_005cDeclareTextSymbol" accesskey="n" rel="next">\DeclareTextSymbol</a>, Previous: <a href="#g_t_005cDeclareTextComposite" accesskey="p" rel="prev">\DeclareTextComposite</a>, Up: <a href="#fontenc-package" accesskey="u" rel="up">fontenc package</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="#Index" title="Index" rel="index">Index</a>]</p>
</div>
<a name="g_t_005cDeclareTextCompositeCommand-1"></a>
-<h4 class="subsection">4.1.5 <code>\DeclareTextCompositeCommand</code></h4>
+<h4 class="subsection">4.1.6 <code>\DeclareTextCompositeCommand</code></h4>
-<a name="index-Font-encoding-5"></a>
+<a name="index-Font-encoding-6"></a>
<a name="index-Accents_002c-defining-3"></a>
<a name="index-_005cDeclareTextCompositeCommand"></a>
@@ -2387,9 +2448,9 @@
Next: <a href="#g_t_005cLastDeclaredEncoding" accesskey="n" rel="next">\LastDeclaredEncoding</a>, Previous: <a href="#g_t_005cDeclareTextCompositeCommand" accesskey="p" rel="prev">\DeclareTextCompositeCommand</a>, Up: <a href="#fontenc-package" accesskey="u" rel="up">fontenc package</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="#Index" title="Index" rel="index">Index</a>]</p>
</div>
<a name="g_t_005cDeclareTextSymbol-1"></a>
-<h4 class="subsection">4.1.6 <code>\DeclareTextSymbol</code></h4>
+<h4 class="subsection">4.1.7 <code>\DeclareTextSymbol</code></h4>
-<a name="index-Font-encoding-6"></a>
+<a name="index-Font-encoding-7"></a>
<a name="index-Symbol_002c-defining"></a>
<a name="index-_005cDeclareTextSymbol"></a>
@@ -2430,9 +2491,9 @@
Previous: <a href="#g_t_005cDeclareTextSymbol" accesskey="p" rel="prev">\DeclareTextSymbol</a>, Up: <a href="#fontenc-package" accesskey="u" rel="up">fontenc package</a> [<a href="#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="#Index" title="Index" rel="index">Index</a>]</p>
</div>
<a name="g_t_005cLastDeclaredEncoding-1"></a>
-<h4 class="subsection">4.1.7 <code>\LastDeclaredEncoding</code></h4>
+<h4 class="subsection">4.1.8 <code>\LastDeclaredEncoding</code></h4>
-<a name="index-Font-encoding-7"></a>
+<a name="index-Font-encoding-8"></a>
<a name="index-_005cLastDeclaredEncoding"></a>
<p>Synopsis:
@@ -24293,6 +24354,9 @@
<tr><td></td><td valign="top"><a href="#index-_005cDeclareRobustCommand_002a"><code>\DeclareRobustCommand*</code></a>:</td><td> </td><td valign="top"><a href="#Class-and-package-commands">Class and package commands</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cDeclareTextAccent"><code>\DeclareTextAccent</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextAccent">\DeclareTextAccent</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cDeclareTextCommand"><code>\DeclareTextCommand</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand">\DeclareTextCommand & \ProvideTextCommand</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-_005cDeclareTextCommand-1"><code>\DeclareTextCommand</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault">\DeclareTextCommandDefault & \ProvideTextCommandDefault</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-_005cDeclareTextCommandDefault"><code>\DeclareTextCommandDefault</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand">\DeclareTextCommand & \ProvideTextCommand</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-_005cDeclareTextCommandDefault-1"><code>\DeclareTextCommandDefault</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault">\DeclareTextCommandDefault & \ProvideTextCommandDefault</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cDeclareTextComposite"><code>\DeclareTextComposite</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextComposite">\DeclareTextComposite</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cDeclareTextCompositeCommand"><code>\DeclareTextCompositeCommand</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCompositeCommand">\DeclareTextCompositeCommand</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cDeclareTextSymbol"><code>\DeclareTextSymbol</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextSymbol">\DeclareTextSymbol</a></td></tr>
@@ -24710,6 +24774,8 @@
<tr><td></td><td valign="top"><a href="#index-_005cProvidesFile"><code>\ProvidesFile</code></a>:</td><td> </td><td valign="top"><a href="#Class-and-package-commands">Class and package commands</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cProvidesPackage"><code>\ProvidesPackage</code></a>:</td><td> </td><td valign="top"><a href="#Class-and-package-commands">Class and package commands</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cProvideTextCommand"><code>\ProvideTextCommand</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand">\DeclareTextCommand & \ProvideTextCommand</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-_005cProvideTextCommand-1"><code>\ProvideTextCommand</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault">\DeclareTextCommandDefault & \ProvideTextCommandDefault</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-_005cProvideTextCommandDefault"><code>\ProvideTextCommandDefault</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault">\DeclareTextCommandDefault & \ProvideTextCommandDefault</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cps"><code>\ps</code></a>:</td><td> </td><td valign="top"><a href="#g_t_005cps">\ps</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cPsi"><code>\Psi</code></a>:</td><td> </td><td valign="top"><a href="#Math-symbols">Math symbols</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-_005cpsi"><code>\psi</code></a>:</td><td> </td><td valign="top"><a href="#Math-symbols">Math symbols</a></td></tr>
@@ -25454,10 +25520,11 @@
<tr><td></td><td valign="top"><a href="#index-Font-encoding-1">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareFontEncoding">\DeclareFontEncoding</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-Font-encoding-2">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextAccent">\DeclareTextAccent</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-Font-encoding-3">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCommand-_0026-_005cProvideTextCommand">\DeclareTextCommand & \ProvideTextCommand</a></td></tr>
-<tr><td></td><td valign="top"><a href="#index-Font-encoding-4">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextComposite">\DeclareTextComposite</a></td></tr>
-<tr><td></td><td valign="top"><a href="#index-Font-encoding-5">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCompositeCommand">\DeclareTextCompositeCommand</a></td></tr>
-<tr><td></td><td valign="top"><a href="#index-Font-encoding-6">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextSymbol">\DeclareTextSymbol</a></td></tr>
-<tr><td></td><td valign="top"><a href="#index-Font-encoding-7">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cLastDeclaredEncoding">\LastDeclaredEncoding</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-Font-encoding-4">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCommandDefault-_0026-_005cProvideTextCommandDefault">\DeclareTextCommandDefault & \ProvideTextCommandDefault</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-Font-encoding-5">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextComposite">\DeclareTextComposite</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-Font-encoding-6">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextCompositeCommand">\DeclareTextCompositeCommand</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-Font-encoding-7">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cDeclareTextSymbol">\DeclareTextSymbol</a></td></tr>
+<tr><td></td><td valign="top"><a href="#index-Font-encoding-8">Font encoding</a>:</td><td> </td><td valign="top"><a href="#g_t_005cLastDeclaredEncoding">\LastDeclaredEncoding</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-font-size">font size</a>:</td><td> </td><td valign="top"><a href="#Low_002dlevel-font-commands">Low-level font commands</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-font-sizes">font sizes</a>:</td><td> </td><td valign="top"><a href="#Font-sizes">Font sizes</a></td></tr>
<tr><td></td><td valign="top"><a href="#index-font-styles">font styles</a>:</td><td> </td><td valign="top"><a href="#Font-styles">Font styles</a></td></tr>
Modified: trunk/latex2e.info
===================================================================
--- trunk/latex2e.info 2018-11-24 13:10:48 UTC (rev 739)
+++ trunk/latex2e.info 2018-11-24 15:11:27 UTC (rev 740)
@@ -1149,6 +1149,7 @@
* \DeclareFontEncoding:: Define an encoding.
* \DeclareTextAccent:: Define an accent in the encoding.
* \DeclareTextCommand & \ProvideTextCommand:: New encoding-specific command.
+* \DeclareTextCommandDefault & \ProvideTextCommandDefault:: Fallback for encoding-specific commands.
* \DeclareTextComposite:: Directly access an accented glyph, in the encoding.
* \DeclareTextCompositeCommand:: Run code in slot, in the encoding.
* \DeclareTextSymbol:: Define a symbol in the encoding.
@@ -1182,6 +1183,15 @@
If you invent an encoding you should pick a two or three letter name
starting with 'L' for 'local', or 'E' for 'experimental'.
+ Note that output encoding files may be read several times by LaTeX so
+using, e.g., '\newcommand' may cause an error. In addition, such files
+should contain '\ProvidesFile' line (*note Class and package
+commands::).
+
+ Note also that you should use the '\...Default' commands only in a
+package, not in the encoding definition files, since those files should
+only contain declarations specific to that encoding.
+
File: latex2e.info, Node: \DeclareTextAccent, Next: \DeclareTextCommand & \ProvideTextCommand, Prev: \DeclareFontEncoding, Up: fontenc package
@@ -1208,7 +1218,7 @@
give an error but it does log the redefinition in the transcript file.
-File: latex2e.info, Node: \DeclareTextCommand & \ProvideTextCommand, Next: \DeclareTextComposite, Prev: \DeclareTextAccent, Up: fontenc package
+File: latex2e.info, Node: \DeclareTextCommand & \ProvideTextCommand, Next: \DeclareTextCommandDefault & \ProvideTextCommandDefault, Prev: \DeclareTextAccent, Up: fontenc package
4.1.3 '\DeclareTextCommand' & '\ProvideTextCommand'
---------------------------------------------------
@@ -1260,9 +1270,44 @@
is not present then '\CMD' does not take an optional argument.
-File: latex2e.info, Node: \DeclareTextComposite, Next: \DeclareTextCompositeCommand, Prev: \DeclareTextCommand & \ProvideTextCommand, Up: fontenc package
+File: latex2e.info, Node: \DeclareTextCommandDefault & \ProvideTextCommandDefault, Next: \DeclareTextComposite, Prev: \DeclareTextCommand & \ProvideTextCommand, Up: fontenc package
-4.1.4 '\DeclareTextComposite'
+4.1.4 '\DeclareTextCommandDefault' & '\ProvideTextCommandDefault '
+------------------------------------------------------------------
+
+Synopsis:
+
+ \DeclareTextCommandDefault{CMD}{DEFN}
+
+ or:
+
+ \ProvideTextCommandDefault{CMD}{DEFN}
+
+ Give a default definition for CMD, for when that command is not
+defined in the encoding currently in force. This default should only
+use encodings known to be available.
+
+ This makes '\copyright' available.
+
+ \DeclareTextCommandDefault{\copyright}{\textcircled{c}}
+
+ It uses only an encoding (OMS) that is always available.
+
+ The '\DeclareTextCommandDefault' should not occur in the encoding
+definition files since those files should declare only commands for use
+when you select that encoding. It should instead be in a package.
+
+ As with the related non-default commands, the
+'\ProvideTextCommandDefault' has exactly the same behavior as
+'\DeclareTextCommandDefault' except that it does nothing if CMD is
+already defined (*note \DeclareTextCommand & \ProvideTextCommand::).
+So, packages can use it to provide fallbacks that other packages can
+improve upon.
+
+
+File: latex2e.info, Node: \DeclareTextComposite, Next: \DeclareTextCompositeCommand, Prev: \DeclareTextCommandDefault & \ProvideTextCommandDefault, Up: fontenc package
+
+4.1.5 '\DeclareTextComposite'
-----------------------------
Synopsis:
@@ -1289,7 +1334,7 @@
File: latex2e.info, Node: \DeclareTextCompositeCommand, Next: \DeclareTextSymbol, Prev: \DeclareTextComposite, Up: fontenc package
-4.1.5 '\DeclareTextCompositeCommand'
+4.1.6 '\DeclareTextCompositeCommand'
------------------------------------
Synopsis:
@@ -1310,7 +1355,7 @@
File: latex2e.info, Node: \DeclareTextSymbol, Next: \LastDeclaredEncoding, Prev: \DeclareTextCompositeCommand, Up: fontenc package
-4.1.6 '\DeclareTextSymbol'
+4.1.7 '\DeclareTextSymbol'
--------------------------
Synopsis:
@@ -1340,7 +1385,7 @@
File: latex2e.info, Node: \LastDeclaredEncoding, Prev: \DeclareTextSymbol, Up: fontenc package
-4.1.7 '\LastDeclaredEncoding'
+4.1.8 '\LastDeclaredEncoding'
-----------------------------
Synopsis:
@@ -16600,6 +16645,12 @@
* \DeclareTextAccent: \DeclareTextAccent. (line 6)
* \DeclareTextCommand: \DeclareTextCommand & \ProvideTextCommand.
(line 6)
+* \DeclareTextCommand <1>: \DeclareTextCommandDefault & \ProvideTextCommandDefault.
+ (line 6)
+* \DeclareTextCommandDefault: \DeclareTextCommand & \ProvideTextCommand.
+ (line 6)
+* \DeclareTextCommandDefault <1>: \DeclareTextCommandDefault & \ProvideTextCommandDefault.
+ (line 6)
* \DeclareTextComposite: \DeclareTextComposite.
(line 6)
* \DeclareTextCompositeCommand: \DeclareTextCompositeCommand.
@@ -17118,6 +17169,10 @@
(line 281)
* \ProvideTextCommand: \DeclareTextCommand & \ProvideTextCommand.
(line 6)
+* \ProvideTextCommand <1>: \DeclareTextCommandDefault & \ProvideTextCommandDefault.
+ (line 6)
+* \ProvideTextCommandDefault: \DeclareTextCommandDefault & \ProvideTextCommandDefault.
+ (line 6)
* \ps: \ps. (line 6)
* \Psi: Math symbols. (line 554)
* \psi: Math symbols. (line 557)
@@ -17959,13 +18014,15 @@
* Font encoding <2>: \DeclareTextAccent. (line 6)
* Font encoding <3>: \DeclareTextCommand & \ProvideTextCommand.
(line 6)
-* Font encoding <4>: \DeclareTextComposite.
+* Font encoding <4>: \DeclareTextCommandDefault & \ProvideTextCommandDefault.
(line 6)
-* Font encoding <5>: \DeclareTextCompositeCommand.
+* Font encoding <5>: \DeclareTextComposite.
(line 6)
-* Font encoding <6>: \DeclareTextSymbol. (line 6)
-* Font encoding <7>: \LastDeclaredEncoding.
+* Font encoding <6>: \DeclareTextCompositeCommand.
(line 6)
+* Font encoding <7>: \DeclareTextSymbol. (line 6)
+* Font encoding <8>: \LastDeclaredEncoding.
+ (line 6)
* font size: Low-level font commands.
(line 101)
* font sizes: Font sizes. (line 6)
@@ -18939,493 +18996,494 @@
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Ref: Typefaces44594
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-Ref: low level font commands baselinestretch67328
-Ref: low level font commands linespread68037
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+Node: Front/back matter519666
+Node: Table of contents etc.519999
+Node: \addcontentsline523735
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+Node: \nofiles528168
+Node: Indexes528900
+Node: \index530528
+Node: makeindex535637
+Ref: makeindex preamble537305
+Ref: makeindex postamble537445
+Ref: makeindex group skip537530
+Ref: makeindex letheadflag537850
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+Ref: makeindex lethead suffix538463
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+Node: \printindex541340
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+Node: \newglossaryentry543779
+Node: \gls545248
+Node: Letters546042
+Node: \address549660
+Node: \cc550471
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+Node: \ps554744
+Node: \signature555033
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+Node: \write18570812
+Node: Command line573481
+Node: Command line options575530
+Node: Command line input579107
+Node: Recovering from errors580970
+Node: Document templates582316
+Node: beamer template582761
+Node: article template583415
+Node: book template583842
+Node: Larger book template584323
+Node: tugboat template585809
+Node: Index588180
+Ref: Command Index588266
End Tag Table
Modified: trunk/latex2e.pdf
===================================================================
(Binary files differ)
Modified: trunk/latex2e.texi
===================================================================
--- trunk/latex2e.texi 2018-11-24 13:10:48 UTC (rev 739)
+++ trunk/latex2e.texi 2018-11-24 15:11:27 UTC (rev 740)
@@ -1538,6 +1538,7 @@
* \DeclareFontEncoding:: Define an encoding.
* \DeclareTextAccent:: Define an accent in the encoding.
* \DeclareTextCommand & \ProvideTextCommand:: New encoding-specific command.
+* \DeclareTextCommandDefault & \ProvideTextCommandDefault:: Fallback for encoding-specific commands.
* \DeclareTextComposite:: Directly access an accented glyph, in the encoding.
* \DeclareTextCompositeCommand:: Run code in slot, in the encoding.
* \DeclareTextSymbol:: Define a symbol in the encoding.
@@ -1581,8 +1582,17 @@
If you invent an encoding you should pick a two or three letter name
starting with @samp{L} for @samp{local}, or @samp{E} for
@samp{experimental}.
-
+Note that output encoding files may be read several times by @LaTeX{} so
+using, e.g., @code{\newcommand} may cause an error. In addition, such
+files should contain @code{\ProvidesFile} line (@pxref{Class and package
+commands}).
+
+Note also that you should use the @code{\...Default} commands only in a
+package, not in the encoding definition files, since those files
+should only contain declarations specific to that encoding.
+
+
@node \DeclareTextAccent
@subsection @code{\DeclareTextAccent}
@@ -1620,6 +1630,7 @@
@cindex Font encoding
@findex \DeclareTextCommand
+ at findex \DeclareTextCommandDefault
@findex \ProvideTextCommand
Synopsis, one of:
@@ -1681,6 +1692,50 @@
an optional argument.
+ at node \DeclareTextCommandDefault & \ProvideTextCommandDefault
+ at subsection @code{\DeclareTextCommandDefault} & @code{\ProvideTextCommandDefault }
+ at cindex Font encoding
+ at findex \DeclareTextCommand
+ at findex \DeclareTextCommandDefault
+ at findex \ProvideTextCommand
+ at findex \ProvideTextCommandDefault
+
+Synopsis:
+
+ at example
+\DeclareTextCommandDefault@{@var{cmd}@}@{@var{defn}@}
+ at end example
+
+or:
+
+ at example
+\ProvideTextCommandDefault@{@var{cmd}@}@{@var{defn}@}
+ at end example
+
+Give a default definition for @var{cmd}, for when that command is not
+defined in the encoding currently in force. This default should only use
+encodings known to be available.
+
+This makes @code{\copyright} available.
+
+ at example
+\DeclareTextCommandDefault@{\copyright@}@{\textcircled@{c@}@}
+ at end example
+
+It uses only an encoding (OMS) that is always available.
+
+The @code{\DeclareTextCommandDefault} should not occur in the encoding
+definition files since those files should declare only commands for use
+when you select that encoding. It should instead be in a package.
+
+As with the related non-default commands, the
+ at code{\ProvideTextCommandDefault} has exactly the same behavior as
+ at code{\DeclareTextCommandDefault} except that it does nothing if
+ at var{cmd} is already defined (@pxref{\DeclareTextCommand &
+\ProvideTextCommand}). So, packages can use it to provide fallbacks
+that other packages can improve upon.
+
+
@node \DeclareTextComposite
@subsection @code{\DeclareTextComposite}
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