/**
* Answers true if the feature type is either 'NMD_transcript_variant' or
- * 'transcript' or one of its sub-types in the Sequence Ontology. This is
- * needed because NMD_transcript_variant behaves like 'transcript' in Ensembl
+ * 'transcript' (or one of its sub-types in the Sequence Ontology). This is
+ * because NMD_transcript_variant behaves like 'transcript' in Ensembl
* although strictly speaking it is not (it is a sub-type of
* sequence_variant).
+ * <p>
+ * (This test was needed when fetching transcript features as GFF. As we are
+ * now fetching as JSON, all features have type 'transcript' so the check for
+ * NMD_transcript_variant is redundant. Left in for any future case arising.)
*
* @param featureType
* @return