Bug 8476 JAR Packager: Make main class field editable
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/jarpackager/JarManifestWizardPage.java
else if (i == 1)
				fSealJarLabel.setText(JarPackagerMessages.getString("JarManifestWizardPage.jarSealedExceptOne")); 
			else
				fSealJarLabel.setText(JarPackagerMessages.getFormattedString("JarManifestWizardPage.jarSealedExceptSome", new Integer(i))); 
				
		}
		else {
			fSealJarLabel.setText(""); 
			int i= fJarPackage.getPackagesToSeal().length;
			if (i == 0)
				fSealPackagesLabel.setText(JarPackagerMessages.getString("JarManifestWizardPage.nothingSealed")); 
			else if (i == 1)
				fSealPackagesLabel.setText(JarPackagerMessages.getString("JarManifestWizardPage.onePackageSealed")); 
			else
				fSealPackagesLabel.setText(JarPackagerMessages.getFormattedString("JarManifestWizardPage.somePackagesSealed", new Integer(i))); 
		}
	}
	/*
	 * Implements method from IJarPackageWizardPage
	 */
	public boolean isPageComplete() {
		boolean incompleteButNotAnError= false;
		if (fJarPackage.isManifestGenerated() && fJarPackage.isManifestSaved()) {
			if (fJarPackage.getManifestLocation().toString().length() == 0)
					incompleteButNotAnError= true;
			else {
				IPath location= fJarPackage.getManifestLocation();
				if (!location.toString().startsWith("/")) { 
					setErrorMessage(JarPackagerMessages.getString("JarManifestWizardPage.error.manifestPathMustBeAbsolute")); 
					return false;