1. Tag Files :
Default : scriptless
Possible Values : scriptless, tagdependent, empty
2. Classic Tags and Simple Tags
The definition for Simple Tags and Classic Tags is the same, except that
Simple Tags do not accept JSP Possible Value: tagdependent, empty, scriptless, JSP (Classic Tags only)
Default Value: Because "JSP" is invalid for Simple Tag handlers, there is no default value.
You should put one explicitly, like "scriptless", if needed.