Macro construct ``` #define exit_test(m) /* we invoke this macro if something goes wrong */\ {@+fprintf(stderr,"%s!\n(Error code = %ld)\n",m,io_errors);@+return -1;@+} ``` from [gb_io.w](https://github.com/ascherer/sgb/blob/master/gb_io.w#L32) gets separated by a full extra line. See [gb_io.pdf](https://github.com/ascherer/cweb/files/8585150/gb_io.pdf).
Macro construct
from gb_io.w gets separated by a full extra line.
See gb_io.pdf.