[html generation] even when doctype without extension are asked, we should define the xmlns:cubicweb attribute to avoid html validation error during tests (break tests with new calendar view in default branch since it demote to html)
Document: cubicweb-doc
Title: CubicWeb documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/cubicweb-documentation/index.html
Files: /usr/share/doc/cubicweb-documentation/*.html