Bug 132039 [Field Assist] - secondary popup should update on same delay as its invocation delay
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
e.doit = propagateKeys;
				}
				
				if (key == 0) {
					int newSelection = proposalTable.getSelectionIndex();
					int visibleRows = (proposalTable.getSize().y / proposalTable
							.getItemHeight()) - 1;
					switch (e.keyCode) {
					case SWT.ARROW_UP:
						newSelection -= 1;
						if (newSelection < 0) {
							newSelection = proposalTable.getItemCount() - 1;
						}
						break;
					case SWT.ARROW_DOWN:
						newSelection += 1;
						if (newSelection > proposalTable.getItemCount() - 1) {
							newSelection = 0;
						}
						break;
					case SWT.PAGE_DOWN:
						newSelection += visibleRows;
						if (newSelection >= proposalTable.getItemCount()) {
							newSelection = proposalTable.getItemCount() - 1;
						}
						break;
					case SWT.PAGE_UP:
						newSelection -= visibleRows;
						if (newSelection < 0) {