always print xref synonyms even if the xref itself has been seen (needed spcifically for Vega
always print xref synonyms even if the xref itself has been seen (needed spcifically for Vega

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode