label1           2394 src/diffviewer/ydiff.c             const char *label1, const char *label2, DSRC dsrc)
label1           2432 src/diffviewer/ydiff.c     dview->label[DIFF_LEFT] = g_strdup (label1);
label1           3440 src/diffviewer/ydiff.c diff_view (const char *file1, const char *file2, const char *label1, const char *label2)
label1           3466 src/diffviewer/ydiff.c     error = dview_init (dview, "-a", file1, file2, label1, label2, DATA_SRC_MEM);       /* XXX binary diff? */