All reports of alternates-not-allowed for the archive. The extended description of this tag is:

Only the "Depends", "Recommends", "Suggests" and "Pre-Depends" fields may specify alternate dependencies using the "|" symbol.

Refer to Debian Policy Manual section 7.1 (Syntax of relationship fields) for details.

Severity: important, Certainty: certain

Check: fields, Type: binary, udeb, source

This tag has not been emitted in any package tested by Lintian.