Bug 120598 Refactoring History JAR Export Wizard should allow (de-)selecting refactorings
I20051213-0010 It is currently not possible to deselect single refactorings from the history during the export of a JAR - only refactorings before a certain date can be excluded. I'd suggest adding the possibility of selecting/deselecting refactorings.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/jarpackager/JarPackageData.java
* The manifest will contain a "Sealed: true" statement.
	 * <p>
	 * This option should only be considered when the
	 * manifest file is generated.
	 * </p>
	 * 
	 * @return <code>true</code> if the JAR must be sealed
	 * @see #isManifestGenerated()
	 */
	public boolean isJarSealed() {
		return fSealJar;
	}
	/**
	 * Sets whether the JAR itself is sealed.
	 * The manifest will contain the following entry:
	 * Sealed: true
	 * <p>
	 * This option should only be considered when the
	 * manifest file is generated.
	 * </p>
	 * 
	 * @param sealJar <code>true</code> if the JAR must be sealed
	 * @see #isManifestGenerated()
	 */
	public void setSealJar(boolean sealJar) {
		fSealJar= sealJar;
	}
	/**
	 * Sets the packages which should be sealed.
	 * The following entry will be added to the manifest file for each package: