<beginfold id='1'>#if 1</beginfold id='1'>
int x; // variable shall not be grey
<endfold id='1'>#endif</endfold id='1'>
<beginfold id='1'>#if</beginfold id='1'> defined (A)
int y; // variable shall not be grey
#elif defined (B)
int z; // variable shall not be grey
<endfold id='1'>#endif</endfold id='1'>
