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
newSelection = 0;
						}
						break;
					case SWT.HOME:
						newSelection = 0;
						break;
					case SWT.END:
						newSelection = proposalTable.getItemCount() - 1;
						break;
					
					
					
					default:
						if (e.keyCode != SWT.CAPS_LOCK && e.keyCode != SWT.MOD1
								&& e.keyCode != SWT.MOD2
								&& e.keyCode != SWT.MOD3
								&& e.keyCode != SWT.MOD4) {
							close();
						}
						return;
					}
					
					
					if (newSelection >= 0) {
						selectProposal(newSelection);
					}
					return;
				}