Fixes to documentation syntax so that all content can be processed used xsltproc docbook-xsl tools. In particular, fixes unescaped entities, broken tags, unquoted attributes.

docs/appendixes.sgml

@@ -52,7 +52,7 @@ Parse error: parse error in /path/to/smarty/templates_c/index.tpl.php on line 75
    </sect1>
 </chapter>
 <chapter id="tips">
-   <title>Tips & Tricks</title>
+   <title>Tips &amp; Tricks</title>
    <para>
    </para>
    <sect1 id="tips.blank.var.handling">
@@ -185,7 +185,7 @@ OUTPUT:
 2001/01/04
 
 
-{if $date1 < $date2}
+{if $date1 &lt; $date2}
 	...
 {/if}</programlisting>
 </example>
@@ -288,7 +288,7 @@ Pretty easy isn't it?
         You can embed PHP into your templates with the {php}{/php} tags.
         With this, you can setup self contained templates with their own
         data structures for assigning their own variables. With the logic
-        embedded like this, you can keep the template & logic together. This
+        embedded like this, you can keep the template &amp; logic together. This
         way no matter where the template source is coming from, it is always
         together as one component.
         </para>
@@ -300,7 +300,7 @@ Pretty easy isn't it?
 {php}
 
 	// setup our function for fetching stock data
-	function fetch_ticker($symbol,&$ticker_name,&$ticker_price) {
+	function fetch_ticker($symbol,&amp;$ticker_name,&amp;$ticker_price) {
 		// put logic here that fetches $ticker_name
 		// and $ticker_price from some resource
 	}
@@ -331,7 +331,7 @@ load_ticker.php
 
 &lt;?php
 	// setup our function for fetching stock data
-	function fetch_ticker($symbol,&$ticker_name,&$ticker_price) {
+	function fetch_ticker($symbol,&amp;$ticker_name,&amp;$ticker_price) {
 		// put logic here that fetches $ticker_name
 		// and $ticker_price from some resource
 	}
@@ -401,4 +401,4 @@ Send inquiries to
 	check the website.
 	</para>
 </chapter>
-</part>
+</part>