dview_compute_split 2281 src/diffviewer/ydiff.c     dview_compute_split (dview, 0);
dview_compute_split 3151 src/diffviewer/ydiff.c             dview_compute_split (dview, 1);
dview_compute_split 3159 src/diffviewer/ydiff.c             dview_compute_split (dview, -1);