What should be the correct answer for the following question
Consider the following description of a tag in a TLD:
<tag> <name>SmilyTag</name> <tag-class>com.enthuware.ctags.SmilyTag</tag-class> <description> Replaces emoticons such as , , and with images. </description> <body-content>tagdependent</body-content> <attribute> <name>name</name> <required>false</required> <rtexprvalue>true</rtexprvalue> </attribute> </tag> Which of the following statements regarding the above tag are correct?
a It is an empty tag. b It may be used as an empty tag. c It must have a body. d It must implement BodyTag interface. e It may take an attribute named 'name'. But if present, its value must be dynamic.
I think it should be 'b' only but answer says 'b' & 'd'.