Changes

   This mechanism is available only if one is reading VCF or compressed VCF files.  It is

   This mechanism is available only if one is reading VCF or compressed VCF files.  It is

   disabled for BCF files as this might corrupt the BCF file because the encoding of the  

   disabled for BCF files as this might corrupt the BCF file because the encoding of the  

   fields in BCF records are based on the order of the meta info lines in the header.

   fields in BCF records is based on the order of the meta info lines in the header.

== General cases of Ploidy and Alleles ==

== General cases of Ploidy and Alleles ==