Remove trailing whitespace.

Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>

configdoc/usage.xml

@@ -302,7 +302,7 @@
  </directive>
  <directive id="Core.EscapeInvalidChildren">
   <file name="HTMLPurifier/ChildDef/Required.php">
-   <line>55</line>
+   <line>62</line>
   </file>
  </directive>
  <directive id="Cache.SerializerPath">

library/HTMLPurifier.includes.php

@@ -55,6 +55,8 @@ require 'HTMLPurifier/LanguageFactory.php';
 require 'HTMLPurifier/Length.php';
 require 'HTMLPurifier/Lexer.php';
 require 'HTMLPurifier/PercentEncoder.php';
+require 'HTMLPurifier/PropertyList.php';
+require 'HTMLPurifier/PropertyListIterator.php';
 require 'HTMLPurifier/Strategy.php';
 require 'HTMLPurifier/StringHash.php';
 require 'HTMLPurifier/StringHashParser.php';

library/HTMLPurifier.safe-includes.php

@@ -49,6 +49,8 @@ require_once $__dir . '/HTMLPurifier/LanguageFactory.php';
 require_once $__dir . '/HTMLPurifier/Length.php';
 require_once $__dir . '/HTMLPurifier/Lexer.php';
 require_once $__dir . '/HTMLPurifier/PercentEncoder.php';
+require_once $__dir . '/HTMLPurifier/PropertyList.php';
+require_once $__dir . '/HTMLPurifier/PropertyListIterator.php';
 require_once $__dir . '/HTMLPurifier/Strategy.php';
 require_once $__dir . '/HTMLPurifier/StringHash.php';
 require_once $__dir . '/HTMLPurifier/StringHashParser.php';

library/HTMLPurifier/StringHashParser.php

@@ -85,6 +85,7 @@ class HTMLPurifier_StringHashParser
                 if (strpos($line, ':') !== false) {
                     // Single-line declaration
                     list($state, $line) = explode(':', $line, 2);
+                    $line = trim($line);
                 } else {
                     // Use default declaration
                     $state  = $this->default;

maintenance/remove-trailing-whitespace.php

@@ -0,0 +1,43 @@
+#!/usr/bin/php
+<?php
+
+chdir(dirname(__FILE__));
+require_once 'common.php';
+assertCli();
+
+/**
+ * @file
+ * Removes trailing whitespace from files.
+ */
+
+chdir(dirname(__FILE__) . '/..');
+$FS = new FSTools();
+
+function prefix_is($comp, $subject) {
+    return strncmp($comp, $subject, strlen($comp)) === 0;
+}
+
+function postfix_is($comp, $subject) {
+    return strlen($subject) < $comp ? false : substr($subject, -strlen($comp)) === $comp;
+}
+
+$files = $FS->globr('.', '{,.}*', GLOB_BRACE);
+foreach ($files as $file) {
+    if (
+        !is_file($file) ||
+        prefix_is('./.git', $file) ||
+        prefix_is('./docs/doxygen', $file) ||
+        postfix_is('.ser', $file) ||
+        postfix_is('.tgz', $file) ||
+        postfix_is('.patch', $file) ||
+        postfix_is('.dtd', $file) ||
+        postfix_is('.ent', $file) ||
+        $file == './library/HTMLPurifier/Lexer/PH5P.php' ||
+        $file == './maintenance/PH5P.php'
+    ) continue;
+    $contents = file_get_contents($file);
+    $result = preg_replace('/^(.*?)[ \t]+(\r?)$/m', '\1\2', $contents, -1, $count);
+    if (!$count) continue;
+    echo "$file\n";
+    file_put_contents($file, $result);
+}