Support numeric variable names for LEGACY builds.
Support numeric variable names for LEGACY builds.

polyethene/IronAHK,michaltakac/IronAHK,yatsek/IronAHK,michaltakac/IronAHK,yatsek/IronAHK,polyethene/IronAHK,yatsek/IronAHK,polyethene/IronAHK,michaltakac/IronAHK,yatsek/IronAHK,polyethene/IronAHK,michaltakac/IronAHK,michaltakac/IronAHK,yatsek/IronAHK