Document and use safe subclassing.
commit35200a97e114dec9c8d9f794fbff5175677ddece
authormilde <milde@929543f6-e4f2-0310-98a6-ba3bd3dd1d04>
Wed, 1 Mar 2017 10:57:46 +0000 (1 10:57 +0000)
committermilde <milde@929543f6-e4f2-0310-98a6-ba3bd3dd1d04>
Wed, 1 Mar 2017 10:57:46 +0000 (1 10:57 +0000)
tree69b442cec1cefe26706776659115ae9608b16186
parent76a4e76f6edafc2e5eef93b26d6a380638949e63
Document and use safe subclassing.

git-svn-id: http://svn.code.sf.net/p/docutils/code/trunk/docutils@8040 929543f6-e4f2-0310-98a6-ba3bd3dd1d04
docutils/writers/html5_polyglot/__init__.py