Need to be able to retrieve the hover_label class, so we can use it elsewhere (e.g. in user tracks) to add information to the popup menu on rendering
Need to be able to retrieve the hover_label class, so we can use it elsewhere (e.g. in user tracks) to add information to the popup menu on rendering

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