+ if (tip.pos() < lastp) {
+ //lyxerr << "... next pos" << endl;
+ ++tip.pos();
+ return;
+ }
+ //lyxerr << "... no next pos" << endl;
+
+ // otherwise move on one paragraph if possible
+ if (tip.pit() < lastpit()) {
+ //lyxerr << "... next par" << endl;
+ ++tip.pit();
+ tip.pos() = 0;
+ return;
+ }
+ //lyxerr << "... no next pit" << endl;
+
+ // otherwise try to move on one cell if possible
+ if (tip.idx() < lastidx()) {
+ //lyxerr << "... next idx" << endl;
+ ++tip.idx();
+ tip.pit() = 0;
+ tip.pos() = 0;
+ return;
+ }
+ //lyxerr << "... no next idx" << endl;
+
+ // otherwise leave inset and jump over inset as a whole
+ pop_back();
+ // 'top' is invalid now...
+ if (!empty())
+ ++top().pos();
+}
+
+
+void DocIterator::forwardPosNoDescend()
+{
+ CursorSlice & tip = top();
+ pos_type const lastp = lastpos();
+
+ // move on one position if possible
+ if (tip.pos() < lastp) {