Talk:DocBook

DocBook 5

I believe this article is for DocBook 4 because

   xmllint --valid --noout spec.xml

returns

   spec.xml:4: validity error : Validation failed: no DTD found !
            xml:lang="en">

DocBook 5 is defined with a RELAX NG schema instead of DTD.

--Beroal (talk) 12:01, 27 September 2021 (UTC)