void cursory(int yoffset) {
// trace("cursory yoffset = " + yoffset + " fvc " + this);
// cursor(0,yoffset);
int newy = inrange(yoffset + fileposy, 1, edvec.readIn() - 1);
fileposy = newy;
if (vis) {
int newx = vi.yCursorChanged(newy);
fileposx = inrange(newx, 0, edvec.at(fileposy).toString().length());
if (fileposx != newx)
UI.popError("cursor wrong permission fileposx " + fileposx + " newx " + newx, null);
}
}
