Bug 74160 QuickFix 'Create Method in other CU' doesn't use compound undo [quick fix]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/ChangeCorrectionProposal.java
throw new CoreException(status);
				} else {
					change.perform(new NullProgressMonitor());
				}
			}
		} finally {
			if (change != null) {
				change.dispose();
			}
		}
	}
	
	/*
	 * @see ICompletionProposal#getAdditionalProposalInfo()
	 */
	public String getAdditionalProposalInfo() {
		StringBuffer buf= new StringBuffer();
		buf.append("<p>"); 
		Change change= getChange();
		if (change != null) {
			buf.append(change.getName());
		} else {
			return null;
		}
		buf.append("</p>"); 
		return buf.toString();
	}
	/*
	 * @see ICompletionProposal#getContextInformation()
	 */