Title: Macro name conflict
Goal: Inline the function `in2b:double/1' in module `in2a'.
Parameters: [{file,"in2a.erl"},{position,128}].
Documentation: There is a macro name conflict `MUL' between the two modules, because the name of the macros are the same and the definitions are different. In module `in2a' the macro is defined as the multiply operator (`-define(MUL, *)') and in module `in2b' it is defined as a subexpression (`-define(MUL, 2*)').
