| Dir : /proc/self/root/opt/cpanel/ea-libxml2/share/gtk-doc/html/libxml2/ |
| Server: Linux ngx353.inmotionhosting.com 4.18.0-553.22.1.lve.1.el8.x86_64 #1 SMP Tue Oct 8 15:52:54 UTC 2024 x86_64 IP: 209.182.202.254 |
| Dir : //proc/self/root/opt/cpanel/ea-libxml2/share/gtk-doc/html/libxml2/libxml2-chvalid.html |
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>chvalid: Unicode character range checking</title>
<meta name="generator" content="Libxml2 devhelp stylesheet">
<link rel="start" href="index.html" title="libxml2 Reference Manual">
<link rel="up" href="general.html" title="API">
<link rel="stylesheet" href="style.css" type="text/css">
<link rel="chapter" href="general.html" title="API">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle">
<td><a accesskey="p" href="libxml2-catalog.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
<td><a accesskey="u" href="general.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
<td><a accesskey="n" href="libxml2-debugXML.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
<th width="100%" align="center">libxml2 Reference Manual</th>
</tr></table>
<h2><span class="refentrytitle">chvalid</span></h2>
<p>chvalid - Unicode character range checking</p>
<p>this module exports interfaces for the character range validation APIs This file is automatically generated from the cvs source definition files using the genChRanges.py Python script </p>
<p>Author(s): William Brack <wbrack@mmm.com.hk> </p>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<pre class="synopsis">#define <a href="#xmlIsBaseCharQ">xmlIsBaseCharQ</a>(c);
#define <a href="#xmlIsBaseChar_ch">xmlIsBaseChar_ch</a>(c);
#define <a href="#xmlIsBlankQ">xmlIsBlankQ</a>(c);
#define <a href="#xmlIsBlank_ch">xmlIsBlank_ch</a>(c);
#define <a href="#xmlIsCharQ">xmlIsCharQ</a>(c);
#define <a href="#xmlIsChar_ch">xmlIsChar_ch</a>(c);
#define <a href="#xmlIsCombiningQ">xmlIsCombiningQ</a>(c);
#define <a href="#xmlIsDigitQ">xmlIsDigitQ</a>(c);
#define <a href="#xmlIsDigit_ch">xmlIsDigit_ch</a>(c);
#define <a href="#xmlIsExtenderQ">xmlIsExtenderQ</a>(c);
#define <a href="#xmlIsExtender_ch">xmlIsExtender_ch</a>(c);
#define <a href="#xmlIsIdeographicQ">xmlIsIdeographicQ</a>(c);
#define <a href="#xmlIsPubidCharQ">xmlIsPubidCharQ</a>(c);
#define <a href="#xmlIsPubidChar_ch">xmlIsPubidChar_ch</a>(c);
typedef struct _xmlChLRange <a href="#xmlChLRange">xmlChLRange</a>;
typedef <a href="libxml2-chvalid.html#xmlChLRange">xmlChLRange</a> * <a href="#xmlChLRangePtr">xmlChLRangePtr</a>;
typedef struct _xmlChRangeGroup <a href="#xmlChRangeGroup">xmlChRangeGroup</a>;
typedef <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> * <a href="#xmlChRangeGroupPtr">xmlChRangeGroupPtr</a>;
typedef struct _xmlChSRange <a href="#xmlChSRange">xmlChSRange</a>;
typedef <a href="libxml2-chvalid.html#xmlChSRange">xmlChSRange</a> * <a href="#xmlChSRangePtr">xmlChSRangePtr</a>;
int <a href="#xmlCharInRange">xmlCharInRange</a> (unsigned int val, <br> const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> * rptr);
int <a href="#xmlIsBaseChar">xmlIsBaseChar</a> (unsigned int ch);
int <a href="#xmlIsBlank">xmlIsBlank</a> (unsigned int ch);
int <a href="#xmlIsChar">xmlIsChar</a> (unsigned int ch);
int <a href="#xmlIsCombining">xmlIsCombining</a> (unsigned int ch);
int <a href="#xmlIsDigit">xmlIsDigit</a> (unsigned int ch);
int <a href="#xmlIsExtender">xmlIsExtender</a> (unsigned int ch);
int <a href="#xmlIsIdeographic">xmlIsIdeographic</a> (unsigned int ch);
int <a href="#xmlIsPubidChar">xmlIsPubidChar</a> (unsigned int ch);
</pre>
</div>
<div class="refsect1" lang="en"><h2>Description</h2></div>
<div class="refsect1" lang="en">
<h2>Details</h2>
<div class="refsect2" lang="en">
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsBaseCharQ">Macro </a>xmlIsBaseCharQ</h3>
<pre class="programlisting">#define <a href="#xmlIsBaseCharQ">xmlIsBaseCharQ</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsBaseChar_ch">Macro </a>xmlIsBaseChar_ch</h3>
<pre class="programlisting">#define <a href="#xmlIsBaseChar_ch">xmlIsBaseChar_ch</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsBlankQ">Macro </a>xmlIsBlankQ</h3>
<pre class="programlisting">#define <a href="#xmlIsBlankQ">xmlIsBlankQ</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsBlank_ch">Macro </a>xmlIsBlank_ch</h3>
<pre class="programlisting">#define <a href="#xmlIsBlank_ch">xmlIsBlank_ch</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsCharQ">Macro </a>xmlIsCharQ</h3>
<pre class="programlisting">#define <a href="#xmlIsCharQ">xmlIsCharQ</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsChar_ch">Macro </a>xmlIsChar_ch</h3>
<pre class="programlisting">#define <a href="#xmlIsChar_ch">xmlIsChar_ch</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsCombiningQ">Macro </a>xmlIsCombiningQ</h3>
<pre class="programlisting">#define <a href="#xmlIsCombiningQ">xmlIsCombiningQ</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsDigitQ">Macro </a>xmlIsDigitQ</h3>
<pre class="programlisting">#define <a href="#xmlIsDigitQ">xmlIsDigitQ</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsDigit_ch">Macro </a>xmlIsDigit_ch</h3>
<pre class="programlisting">#define <a href="#xmlIsDigit_ch">xmlIsDigit_ch</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsExtenderQ">Macro </a>xmlIsExtenderQ</h3>
<pre class="programlisting">#define <a href="#xmlIsExtenderQ">xmlIsExtenderQ</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsExtender_ch">Macro </a>xmlIsExtender_ch</h3>
<pre class="programlisting">#define <a href="#xmlIsExtender_ch">xmlIsExtender_ch</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsIdeographicQ">Macro </a>xmlIsIdeographicQ</h3>
<pre class="programlisting">#define <a href="#xmlIsIdeographicQ">xmlIsIdeographicQ</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsPubidCharQ">Macro </a>xmlIsPubidCharQ</h3>
<pre class="programlisting">#define <a href="#xmlIsPubidCharQ">xmlIsPubidCharQ</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsPubidChar_ch">Macro </a>xmlIsPubidChar_ch</h3>
<pre class="programlisting">#define <a href="#xmlIsPubidChar_ch">xmlIsPubidChar_ch</a>(c);
</pre>
<p>Automatically generated by genChRanges.py</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody><tr>
<td><span class="term"><i><tt>c</tt></i>:</span></td>
<td>char to validate</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlChLRange">Structure </a>xmlChLRange</h3>
<pre class="programlisting">struct _xmlChLRange {
unsigned int low
unsigned int high
} xmlChLRange;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlChLRangePtr">Typedef </a>xmlChLRangePtr</h3>
<pre class="programlisting"><a href="libxml2-chvalid.html#xmlChLRange">xmlChLRange</a> * xmlChLRangePtr;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlChRangeGroup">Structure </a>xmlChRangeGroup</h3>
<pre class="programlisting">struct _xmlChRangeGroup {
int nbShortRange
int nbLongRange
const <a href="libxml2-chvalid.html#xmlChSRange">xmlChSRange</a> * shortRange : points to an array of ranges
const <a href="libxml2-chvalid.html#xmlChLRange">xmlChLRange</a> * longRange
} xmlChRangeGroup;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlChRangeGroupPtr">Typedef </a>xmlChRangeGroupPtr</h3>
<pre class="programlisting"><a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> * xmlChRangeGroupPtr;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlChSRange">Structure </a>xmlChSRange</h3>
<pre class="programlisting">struct _xmlChSRange {
unsigned short low
unsigned short high
} xmlChSRange;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlChSRangePtr">Typedef </a>xmlChSRangePtr</h3>
<pre class="programlisting"><a href="libxml2-chvalid.html#xmlChSRange">xmlChSRange</a> * xmlChSRangePtr;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsBaseCharGroup">Variable </a>xmlIsBaseCharGroup</h3>
<pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsBaseCharGroup;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsCharGroup">Variable </a>xmlIsCharGroup</h3>
<pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsCharGroup;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsCombiningGroup">Variable </a>xmlIsCombiningGroup</h3>
<pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsCombiningGroup;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsDigitGroup">Variable </a>xmlIsDigitGroup</h3>
<pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsDigitGroup;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsExtenderGroup">Variable </a>xmlIsExtenderGroup</h3>
<pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsExtenderGroup;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsIdeographicGroup">Variable </a>xmlIsIdeographicGroup</h3>
<pre class="programlisting">const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> xmlIsIdeographicGroup;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsPubidChar_tab">Variable </a>xmlIsPubidChar_tab</h3>
<pre class="programlisting">const unsigned charxmlIsPubidChar_tab[256] xmlIsPubidChar_tab;
</pre>
<p></p>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlCharInRange"></a>xmlCharInRange ()</h3>
<pre class="programlisting">int xmlCharInRange (unsigned int val, <br> const <a href="libxml2-chvalid.html#xmlChRangeGroup">xmlChRangeGroup</a> * rptr)<br>
</pre>
<p>Does a binary search of the range table to determine if char is valid</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>val</tt></i>:</span></td>
<td>character to be validated</td>
</tr>
<tr>
<td><span class="term"><i><tt>rptr</tt></i>:</span></td>
<td>pointer to range to be used to validate</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>true if character valid, false otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsBaseChar"></a>xmlIsBaseChar ()</h3>
<pre class="programlisting">int xmlIsBaseChar (unsigned int ch)<br>
</pre>
<p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsBaseChar_ch">xmlIsBaseChar_ch</a> or <a href="libxml2-chvalid.html#xmlIsBaseCharQ">xmlIsBaseCharQ</a> instead</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>ch</tt></i>:</span></td>
<td>character to validate</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>true if argument valid, false otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsBlank"></a>xmlIsBlank ()</h3>
<pre class="programlisting">int xmlIsBlank (unsigned int ch)<br>
</pre>
<p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsBlank_ch">xmlIsBlank_ch</a> or <a href="libxml2-chvalid.html#xmlIsBlankQ">xmlIsBlankQ</a> instead</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>ch</tt></i>:</span></td>
<td>character to validate</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>true if argument valid, false otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsChar"></a>xmlIsChar ()</h3>
<pre class="programlisting">int xmlIsChar (unsigned int ch)<br>
</pre>
<p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsChar_ch">xmlIsChar_ch</a> or <a href="libxml2-chvalid.html#xmlIsCharQ">xmlIsCharQ</a> instead</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>ch</tt></i>:</span></td>
<td>character to validate</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>true if argument valid, false otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsCombining"></a>xmlIsCombining ()</h3>
<pre class="programlisting">int xmlIsCombining (unsigned int ch)<br>
</pre>
<p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsCombiningQ">xmlIsCombiningQ</a> instead</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>ch</tt></i>:</span></td>
<td>character to validate</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>true if argument valid, false otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsDigit"></a>xmlIsDigit ()</h3>
<pre class="programlisting">int xmlIsDigit (unsigned int ch)<br>
</pre>
<p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsDigit_ch">xmlIsDigit_ch</a> or <a href="libxml2-chvalid.html#xmlIsDigitQ">xmlIsDigitQ</a> instead</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>ch</tt></i>:</span></td>
<td>character to validate</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>true if argument valid, false otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsExtender"></a>xmlIsExtender ()</h3>
<pre class="programlisting">int xmlIsExtender (unsigned int ch)<br>
</pre>
<p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsExtender_ch">xmlIsExtender_ch</a> or <a href="libxml2-chvalid.html#xmlIsExtenderQ">xmlIsExtenderQ</a> instead</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>ch</tt></i>:</span></td>
<td>character to validate</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>true if argument valid, false otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsIdeographic"></a>xmlIsIdeographic ()</h3>
<pre class="programlisting">int xmlIsIdeographic (unsigned int ch)<br>
</pre>
<p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsIdeographicQ">xmlIsIdeographicQ</a> instead</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>ch</tt></i>:</span></td>
<td>character to validate</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>true if argument valid, false otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<h3>
<a name="xmlIsPubidChar"></a>xmlIsPubidChar ()</h3>
<pre class="programlisting">int xmlIsPubidChar (unsigned int ch)<br>
</pre>
<p>This function is DEPRECATED. Use <a href="libxml2-chvalid.html#xmlIsPubidChar_ch">xmlIsPubidChar_ch</a> or <a href="libxml2-chvalid.html#xmlIsPubidCharQ">xmlIsPubidCharQ</a> instead</p>
<div class="variablelist"><table border="0">
<col align="left">
<tbody>
<tr>
<td><span class="term"><i><tt>ch</tt></i>:</span></td>
<td>character to validate</td>
</tr>
<tr>
<td><span class="term"><i><tt>Returns</tt></i>:</span></td>
<td>true if argument valid, false otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
</div>
</div>
</body>
</html>