+ * parse the given string as a jalview feature or GFF annotation file and
+ * optionally enable feature display on the current alignFrame
+ *
+ * @param features
+ * - gff or features file
+ * @param autoenabledisplay
+ * - when true, feature display will be enabled if any features can
+ * be parsed from the string.
+ */
+ public abstract void loadFeatures(String features,
+ boolean autoenabledisplay);
+
+ /**
+ * parse the given string as a jalview feature or GFF annotation file and
+ * optionally enable feature display on the given alignFrame.
+ *
+ * @param alf
+ * @param features
+ * - gff or features file
+ * @param autoenabledisplay
+ * - when true, feature display will be enabled if any features can
+ * be parsed from the string.
+ * @return true if data parsed as features
+ */
+ public abstract boolean loadFeaturesFrom(AlignFrame alf, String features,
+ boolean autoenabledisplay);
+
+ /**