The tag is present in Lintian version 2.113.26. That is the most recent version we know about.
We use semantic versions.
The patch number is a commit step indicator relative to the
release tag in our Git
You can find the detection logic for this version at commit 43a81d7. For merge requests, please use the latest version in the Lintian check menus.
postinst is no
longer required since doc-base file processing is handled by triggers.
install-docs call was added by debhelper, rebuilding the
package with debhelper 7.2.3 or later will fix this problem.