F2                928 src/diffviewer/ydiff.c             n = op->F2 - op->F1 + 1;
F2                954 src/diffviewer/ydiff.c             n = op->F2 - op->F1 + 1;
F2                977 src/diffviewer/ydiff.c             n = op->T2 - op->T1 - (op->F2 - op->F1);