Bug 114098 [content assist] Camel case completions are not inserted
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/java/LazyJavaCompletionProposal.java
document.addPosition(CATEGORY, fPosition);
	
			} catch (BadPositionCategoryException e) {
				
				JavaPlugin.log(e);
			}
		}
	
		/**
		 * Called after the document changed occured. It must be preceded by a call to preReplace().
		 *
		 * @param document the document on which to track the reference position.
		 */
		public int postReplace(IDocument document) {
			try {
				document.removePosition(CATEGORY, fPosition);
				document.removePositionUpdater(fPositionUpdater);
				document.removePositionCategory(CATEGORY);
	
			} catch (BadPositionCategoryException e) {
				
				JavaPlugin.log(e);
			}
			return fPosition.getOffset();
		}
	}
	protected static final class ExitPolicy implements IExitPolicy {
	
		final char fExitCharacter;
		private final IDocument fDocument;