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
}
		protected Control createDialogArea(Composite parent) {
			initializeDialogUnits(parent);
			
			Composite composite= (Composite) super.createDialogArea(parent);
			Composite inner= new Composite(composite, SWT.NONE);
			GridLayout layout= new GridLayout();
			layout.marginHeight= 0;
			layout.marginWidth= 0;
			inner.setLayout(layout);
			
			fLabelField.doFillIntoGrid(inner, 1);
			fCreateFolderField.doFillIntoGrid(inner, 1);
			fAddFolderField.doFillIntoGrid(inner, 1);
			fAddContainerField.doFillIntoGrid(inner, 1);
			Control control= fCombo.getComboControl(inner);
			GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
			gd.horizontalIndent= convertWidthInCharsToPixels(3);
			control.setLayoutData(gd);
		
			return composite;
		}
		
		
		/* (non-Javadoc)
		 * @see Dialog#okPressed()
		 */
		protected void okPressed() {
			fResult= null;
			if (fCreateFolderField.isSelected()) {