Bug 30727 exclusion filters: cannot remove [build path]
20030129 create a jproject and a src folder in it add 2 packages to it a.b and c.d exclude c/d/ from the classpath open the java build path dialog, select the source folders expand the tree node select 'Exclusion filter: /c/d/' press 'Remove' seems to be removed, right? wrong. open the dialog again - the filter for /c/d is still there
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/LibrariesWorkbookPage.java
for (int i= 0; i < currEntries.length; i++) {
			CPListElement curr= (CPListElement) fClassPathList.getElement(i);
			currEntries[i]= curr.getClasspathEntry();
		}
		return currEntries;
	}
		
	private class JavadocPropertyDialog extends StatusDialog implements IStatusChangeListener {
		private JavadocConfigurationBlock fJavadocConfigurationBlock;
		private CPListElement fElement;
		public JavadocPropertyDialog(Shell parent, CPListElement element) {
			super(parent);
			setTitle(NewWizardMessages.getFormattedString("LibrariesWorkbookPage.JavadocPropertyDialog.title", element.getPath().toString())); 
			fElement= element;
			
			URL initialLocation= JavaUI.getLibraryJavadocLocation(element.getPath());
			fJavadocConfigurationBlock= new JavadocConfigurationBlock(parent, this, initialLocation);
		}
		protected Control createDialogArea(Composite parent) {
			Composite composite= (Composite) super.createDialogArea(parent);
			Control inner= fJavadocConfigurationBlock.createContents(composite);
			inner.setLayoutData(new GridData(GridData.FILL_BOTH));
			return composite;
		}
		public void statusChanged(IStatus status) {
			updateStatus(status);
		}
		
		public URL getJavaDocLocation() {
			return fJavadocConfigurationBlock.getJavadocLocation();