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Request: Please provide verified sequence file(s) for the "Canonical Gene" example in the GFF spec

Status: Open.

#40 In The-Sequence-Ontology/Specifications;

· dtdoering opened on Nov 14, 2025

What is the "reserved meaning" of an ampersand (&) in column 9?

Status: Open.

#38 In The-Sequence-Ontology/Specifications;

· dtdoering opened on Mar 8, 2023

Multiple sequences in a single file

Status: Open.

#37 In The-Sequence-Ontology/Specifications;

· Pigrenok opened on Feb 13, 2023

Phase missing in example section GFF3

Status: Open.

#36 In The-Sequence-Ontology/Specifications;

· corneliusroemer opened on Sep 5, 2022

Protein to nucleotide matches over introns

Status: Open.

#31 In The-Sequence-Ontology/Specifications;

· darcyabjones opened on Jul 29, 2022

SO subclasses of "match" incorrect

Status: Open.

#30 In The-Sequence-Ontology/Specifications;

· darcyabjones opened on Jul 29, 2022

Can't access "Ontology Associations and DB Cross References" files

Status: Open.

#29 In The-Sequence-Ontology/Specifications;

· garrettjstevens opened on Apr 12, 2022

Trailing semicolons at GFF3 attributes should be avoided or ignored?

Status: Open.

#28 In The-Sequence-Ontology/Specifications;

· heavywatal opened on Feb 3, 2022

gff3 header delimiter

Status: Open.

#23 In The-Sequence-Ontology/Specifications;

· Juke34 opened on Nov 4, 2019

Allow a mapping between labels and ontology term IDs in the header of GFF

Status: Open.

#19 In The-Sequence-Ontology/Specifications;

· cmungall opened on Jun 5, 2019

Is there a single canonical validator, or multiple implementations?

Status: Open.

#18 In The-Sequence-Ontology/Specifications;

· cmungall opened on Feb 23, 2019

Citing the GFF3 spec

Status: Open.

#17 In The-Sequence-Ontology/Specifications;

· arendsee opened on Nov 1, 2018