#define SWAP(a,b) b,a
SWAP(1,2)SWAP (10, 20)
t
#eval 1+2*3
tt
#eval 1*2+3
ttt
#eval 2*(3+4)
a
#warning begin of file
aa
#define ABC abc
aaa
#define DEF def
#define DEF {ABC}
aaaa
ABC DEF
SWAP(ABC,DEF)
@start
ABC*DEF/2
@compare
abc*def/2
@stop
#if 1
zzz
#include "example2.cc"
#elif 0
b
#warning if branch
bb,bbb,bbbb
#define DEF XYZ
#else
c
#warning else branch
cc
#define DEF KLM
#define KLM klm
#endif
ABC DEF
i
#include "example2.cc"
ii
d
// comment
#warning end of file
/* another
   comment */
dd