public void addNewSimpleCustomTag(String tagName, String header, String locations) {
        if (tagName == null || locations == null) {
            return;
        }
        Taglet tag = (Taglet) customTags.get(tagName);
        locations = locations.toLowerCase();
        if (tag == null || header != null) {
            customTags.remove(tagName);
            customTags.put(tagName, new SimpleTaglet(tagName, header, locations));
            if (locations != null && locations.indexOf('x') == -1) {
                checkTagName(tagName);
            }
        } else {
            //Move to back
            customTags.remove(tagName);
            customTags.put(tagName, tag);
        }
    }