F2 947 src/diffviewer/ydiff.c for (n = op->F2 - op->F1 + 1; F2 957 src/diffviewer/ydiff.c for (n = op->F2 - op->F1 + 1; F2 964 src/diffviewer/ydiff.c for (n = op->T2 - op->T1 - (op->F2 - op->F1); n > 0; n--)