Ed Bailey showed that the emacs lisp extensions for SGML do not cause the LINUXDOC DTD to be loaded.
Fixed in -5.
Commit pushed to master at https://github.com/openshift/openshift-docs https://github.com/openshift/openshift-docs/commit/d394a20e0251f21bdf29b67a83bc00e8e41f67f5 Merge pull request #9624 from gaurav-nelson/issue9481-fixes updated gihub webhook configration info