[1.7.0] New compact syntax for AttrDef objects that can be used to instantiate new objects via make()

- Implemented make() for Enum and Bool
- Migrate classes over to this new syntax
- Add AttrDef_HTML_Bool unit test

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1088 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/HTMLModule/Scripting.php

@@ -46,6 +46,9 @@ class HTMLPurifier_HTMLModule_Scripting extends HTMLPurifier_HTMLModule
         // blockquote's custom definition (we would use it but
         // blockquote's contents are optional while noscript's contents
         // are required)
+        
+        // TODO: convert this to new syntax, main problem is getting
+        // both content sets working
         foreach ($this->elements as $element) {
             $this->info[$element] = new HTMLPurifier_ElementDef();
             $this->info[$element]->safe = false;