On Wed, 22 Jul 2009, John (Eljay) Love-Jensen wrote:
ALL symbols that have two underscores ANYWHERE in there name are reserved, as per the C++ language specification (ISO 14882).
Hi Eljay. The working draft I have access to [1] refers to "double underscore[s]" (i.e. two consecutive underscores) in 17.6.3.3.2, implying that e.g. MY__MACRO would be reserved but MY_OTHER_MACRO would not. Is that the rule you're referring to?
1. http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2009/n2914.pdf