blastlp
curwp->w_dotp = blastlp(curbp);
last = blastlp(compile_buffer);
if (curwp->w_dotp != blastlp(curbp)) {
if (curwp->w_dotp == blastlp(curbp)) {
if (dotp == blastlp(curbp))
curwp->w_dotp = blastlp(curbp);