2.2.4 Remove empty sequences

The RemoveEmptySequences filter remove sequences containing only gap (or unresolved characters) in each block.

Synopsis:

maf.filter=                                 \
    [...],
    RemoveEmptySequences(unresolved_as_gaps=yes),        \
    [...]

Arguments:

unresolved_as_gaps={boolean}

Tell if unresolved characters count as "empty" as well.