code: private boolean hidden(ProgramElementDoc c) {
  	if (c.tags("hidden").length > 0 || c.tags("view").length > 0)
  	    return true;
  	Options opt = optionProvider.getOptionsFor(c instanceof ClassDoc ? (ClassDoc) c : c.containingClass());
  	return opt.matchesHideExpression(c.toString()) //
  		|| (opt.hidePrivateInner && c instanceof ClassDoc  && c.isPrivate() && ((ClassDoc) c).containingClass() != null);
      }
docs: Return true if c has a @hidden tag associated with it