- ** If mh_seq == NULL (such as if nmh been compiled with
- ** NOPUBLICSEQ), or if *mh_seq == '\0' (the user has defined
- ** the "mh-sequences" profile entry, but left it empty),
- ** then just return, and do not initialize any public sequences.
+ ** If public sequences are disabled (e.g. the user has defined
+ ** an empty `Mh-Sequences' profile entry), then just return.