Bug 63898 [reconciling] Multiple threads calling IJavaReconcilingListener#reconciled() at the same time
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
document.removePositionUpdater(fUpdater);
							try {
								document.removePositionCategory(CATEGORY);
							} catch (BadPositionCategoryException e) {
							}
						}
					}
	
				});
			}
		}
		/*
		 * @see org.eclipse.jface.text.link.ILinkedModeListener#suspend(org.eclipse.jface.text.link.LinkedModeModel)
		 */
		public void suspend(LinkedModeModel environment) {
		}
		/*
		 * @see org.eclipse.jface.text.link.ILinkedModeListener#resume(org.eclipse.jface.text.link.LinkedModeModel, int)
		 */
		public void resume(LinkedModeModel environment, int flags) {
		}
	}
	
	/**
	 * Remembers data related to the current selection to be able to
	 * restore it later.
	 * 
	 * @since 3.0
	 */
	private class RememberedSelection {