All reports of multiline-field for the archive. The extended description of this tag is:
Most control fields must have only a single line of data.
Refer to Debian Policy Manual section 5.1 (Syntax of control files) for details.
Severity: important, Certainty: certain
Check: fields/multi-line, Type: source, binary, udeb, changes
This tag has not been emitted in any package tested by Lintian.