Updated vendor copy of html-scanner to support better xml parsing

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2131 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Updated vendor copy of html-scanner to support better xml parsing
+
 * Added :popup option to UrlHelper#link_to #1996 [gabriel.gironda@gmail.com]. Examples:
 
     link_to "Help", { :action => "help" }, :popup => true

actionpack/lib/action_controller/vendor/html-scanner/html/document.rb

@@ -11,7 +11,7 @@ class Document #:nodoc:
     attr_reader :root
 
     # Create a new Document from the given text.
-    def initialize(text, strict=false)
+    def initialize(text, strict=false, xml=false)
       tokenizer = Tokenizer.new(text)
       @root = Node.new(nil)
       node_stack = [ @root ]
@@ -38,7 +38,7 @@ def initialize(text, strict=false)
 EOF
               strict ? raise(msg) : warn(msg)
             end
-          elsif !node.childless? && node.closing != :close
+          elsif !node.childless?(xml) && node.closing != :close
             node_stack.push node
           end
         end

actionpack/lib/action_controller/vendor/html-scanner/html/node.rb

@@ -271,7 +271,8 @@ def [](attr)
     end
 
     # Returns non-+nil+ if this tag can contain child nodes.
-    def childless?
+    def childless?(xml = false)
+      return false if xml && @closing.nil?
       !@closing.nil? ||
         @name =~ /^(img|br|hr|link|meta|area|base|basefont|
                     col|frame|input|isindex|param)$/ox