use_copy         3387 src/diffviewer/ydiff.c         use_copy##n = 0;                                                                           \
use_copy         3394 src/diffviewer/ydiff.c                 use_copy##n = 1;                                                                   \
use_copy         3396 src/diffviewer/ydiff.c                     use_copy##n = -1;                                                              \
use_copy         3405 src/diffviewer/ydiff.c         if (use_copy##n != 0)                                                                      \
use_copy         3408 src/diffviewer/ydiff.c             if (use_copy##n > 0)                                                                   \