Bug 42690 Loading .importorder file fails when package prefix entry starts with an uppercase letter [code manipulation]
After saving my manually configured import order definition in the organize imports preferences page, I can't load it again ( Error Box: Not a valid import order file). The reason seems to be the existence of package prefix entrys which start with an uppercase letter.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/ImportOrganizePreferencePage.java
properties.setProperty(String.valueOf(i), (String) elements.get(i));
			}
			FileOutputStream fos= null;
			try {
				fos= new FileOutputStream(fileName);
				properties.store(fos, "Organize Import Order"); 
			} catch (IOException e) {
				JavaPlugin.log(e);
				String title= PreferencesMessages.getString("ImportOrganizePreferencePage.saveDialog.error.title"); 
				String message= PreferencesMessages.getString("ImportOrganizePreferencePage.saveDialog.error.message"); 
				MessageDialog.openError(getShell(), title, message);				
			} finally {
				if (fos != null) {
					try { fos.close(); } catch (IOException e) {}
				}
			}
		}
	}
	public void init(IWorkbench workbench) {
	}
	
	private void updateStatus(IStatus status) {
		setValid(!status.matches(IStatus.ERROR));
		StatusUtil.applyToStatusLine(this, status);
	}	
	
    /**
     * @see PreferencePage#performDefaults()
     */
    protected void performDefaults() {