[3.1.0] [BACKPORT] Fix <span><span><div> by sending back to the front of the loop for reprocessing.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1492 48356398-32a2-884e-a903-53898d9a118a

NEWS

@@ -9,6 +9,10 @@ NEWS ( CHANGELOG and HISTORY )                                     HTMLPurifier
     . Internal change
 ==========================
 
+3.0.1, unknown release date
+- Autoclose now operates iteratively, i.e. <span><span><div> now has
+  both span tags closed.
+
 3.0.0, released 2008-01-06
 # HTML Purifier is PHP 5 only! The 2.1.x branch will be maintained
   until PHP 4 is completely deprecated, but no new features will be added

library/HTMLPurifier/Strategy/MakeWellFormed.php

@@ -156,10 +156,9 @@ class HTMLPurifier_Strategy_MakeWellFormed extends HTMLPurifier_Strategy
                     // the parent
                     if (!isset($parent_info->child->elements[$token->name])) {
                         if ($e) $e->send(E_NOTICE, 'Strategy_MakeWellFormed: Tag auto closed', $parent);
-                        // close the parent, then append the token
+                        // close the parent, then re-loop to reprocess token
                         $result[] = new HTMLPurifier_Token_End($parent->name);
-                        $result[] = $token;
-                        $this->currentNesting[] = $token;
+                        $this->inputIndex--;
                         continue;
                     }
                     

tests/HTMLPurifier/Strategy/MakeWellFormedTest.php

@@ -82,5 +82,12 @@ class HTMLPurifier_Strategy_MakeWellFormedTest extends HTMLPurifier_StrategyHarn
         );
     }
     
+    function testAutoCloseMultiple() {
+        $this->assertResult(
+            '<span><span><div></div>',
+            '<span><span></span></span><div></div>'
+        );
+    }
+    
 }