Bug 87856 [Commands] Last closed editor leaked due to reference by command manager
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/ParameterizedCommand.java
for (int i = 0; i < parameterizationCount; i++) {
				final Parameterization parameterization = (Parameterization) parameterizations
						.get(i);
				final List combination = new ArrayList(1);
				combination.add(parameterization);
				parameterizations.set(i, combination);
			}
			return parameterizations;
		}
		
		final Collection suffixes = expandParameters(startIndex + 1, parameters);
		if (suffixes.isEmpty()) {
			
			for (int i = 0; i < parameterizationCount; i++) {
				final Parameterization parameterization = (Parameterization) parameterizations
						.get(i);
				final List combination = new ArrayList(1);
				combination.add(parameterization);
				parameterizations.set(i, combination);
			}
			return parameterizations;
		}
		final Collection returnValue = new ArrayList();
		final Iterator suffixItr = suffixes.iterator();
		while (suffixItr.hasNext()) {
			final List combination = (List) suffixItr.next();
			final int combinationSize = combination.size();
			for (int i = 0; i < parameterizationCount; i++) {
				final Parameterization parameterization = (Parameterization) parameterizations