<slide title="Web Output Abstraction">
  <list title="HTML &amp; Errors">
    <bullet>HTML: &amp;lt;pre&amp;gt;, &amp;lt;br /&amp;gt;</bullet>
    <bullet>Errors: error_log(), display_errors=off</bullet>
  </list>

<example><![CDATA[<?php
if ($r = mysql_query($sql)) {
    // good
} else {
    if ($ONLINE) {
        print "Please come back later.<br />";
        error_log("[DB][$sql]");
    }
}
?>
]]></example>
</slide>
