Until recently, OBO-Edit did not strictly enfore the OBO format restrictions on dbxrefs. Many ontologies now contain dbxrefs that are not OBO compatible. The Dbxref Check will display a warning if a dbxref is not OBO-compatible. It checks for:
A dbxref can be configured to only perform some of the checks above by clicking the "configure" button in the Verification Plugin:
Deselect a sub-check to disable it.