Illegal C++

[Wiz Aus]

Ok, now I'm trying to actually play with the lilypond code -- but it seems 
to be full of completely illegal C++ - like trying to cast class member 
functions to standalone functions etc. etc.
The cases I've found so far are all very easy to fix, just by adding proxy 
function definitions in the macros that set these things up, so I can't work 
out why it would be written like this in the first place.
Has anyone ever tried to get the code compiling on another C++ compiler?

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