All reports of package-contains-readme-for-other-platform-or-distro for the archive. The extended description of this tag is:
package contains a README.(platform) file that contains instructions specific to a platform or distribution other than Debian and thus can most likely be removed. If it contains information that pertains to Debian, please consider renaming it, or including it in an already existing README file.
This tag has not been emitted in any package tested by Lintian.