journal-title-group containing journal-title.
Clean-up of doctype in prettyXML.
Merge pull request #33 from gnott/journal-title-group

journal-title-group containing journal-title.
Merge pull request #34 from gnott/doctype-refactor

Clean-up of doctype in prettyXML.
Merge branch 'master' of github.com:gnott/elife-poa-xml-generation into permissions
Encoding tweak.