@@ -, +, @@ 
---
 .../vendor/html-scanner/html/node.rb               |    2 +-
 .../test/controller/html-scanner/sanitizer_test.rb |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)
--- a/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb	
+++ a/actionpack/lib/action_controller/vendor/html-scanner/html/node.rb	
@@ -162,7 +162,7 @@ module HTML #:nodoc:
           end
           
           closing = ( scanner.scan(/\//) ? :close : nil )
-          return Text.new(parent, line, pos, content) unless name = scanner.scan(/[\w:-]+/)
+          return Text.new(parent, line, pos, content) unless name = scanner.scan(/[-:\w\x00-\x09\x0b-\x0c\x0e-\x1f]+/)
           name.downcase!
   
           unless closing
--- a/actionpack/test/controller/html-scanner/sanitizer_test.rb	
+++ a/actionpack/test/controller/html-scanner/sanitizer_test.rb	
@@ -19,6 +19,7 @@ class SanitizerTest < ActionController::TestCase
     assert_equal "This has a  here.", sanitizer.sanitize("This has a <!-- comment --> here.")
     assert_equal "This has a  here.", sanitizer.sanitize("This has a <![CDATA[<section>]]> here.")
     assert_equal "This has an unclosed ", sanitizer.sanitize("This has an unclosed <![CDATA[<section>]] here...")
+    assert_equal "non printable char is a tag", sanitizer.sanitize("<\x07a href='/hello'>non printable char is a tag</a>")
     [nil, '', '   '].each { |blank| assert_equal blank, sanitizer.sanitize(blank) }
   end
 
--