a "not so problematic" bug...

Hi there !

Just try
   int i;
   i=1+3+4,+5,+6;

it doesn't generate any error message while compiling but it doesn't
compute 1+3+4+5+6, only 1+3+4.

Is it an error ? An undocumented feature ? A thing that I didn't know
about C ?

Thanks !

Frédéric BISSON