Allow the "alt_synonyms" tag to be missing or partial, and make sur the Perl structure always has all the genome_db_ids
Allow the "alt_synonyms" tag to be missing or partial, and make sur the Perl structure always has all the genome_db_ids

Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara,Ensembl/ensembl-compara