All reports of pipe-symbol-used-as-license-disjunction for the archive. The extended description of this tag is:
In contrast to package dependencies, the pipe symbol or vertical bar does not indicate a logical disjunction or OR-relationship between two license short names. Instead, the keyword "or" between two license names indicates the dual licensing.
Refer to https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ for details.
This tag has not been emitted in any package tested by Lintian.