Title: Macro support for Generalize, part IV. (recursive application)
Goal: accept
Parameters: [{file,"gen_mac4.erl"},{posrange,{95,97}},{varname,"T"}].
Documentation: Generalize "2" in myfun/1 using a funexp replacement, where the macro is used as a recursive applicaton inside the function to be transformed. The transformation should insert the variable T into the argument list of the application inside the macro definition, and modify the syntax tree accordingly.
