label2           2373 src/diffviewer/ydiff.c             const char *label1, const char *label2, DSRC dsrc)
label2           2431 src/diffviewer/ydiff.c     dview->label[DIFF_RIGHT] = g_strdup (label2);
label2           3329 src/diffviewer/ydiff.c diff_view (const char *file1, const char *file2, const char *label1, const char *label2)
label2           3362 src/diffviewer/ydiff.c         dview_init (dview, "-a", file1, file2, label1, label2, DATA_SRC_MEM);  // XXX binary diff?