Stage 3 proposal to add outputclass to DITAVAL elements

Reviewed by Carsten Brennecke, Eric Sirois, Eliot Kimber, and Scott Hudson.
(See attached file: Issue252-DitavalOutputclass.pdf)
Robert D. Anderson DITA-OT lead and Co-editor DITA 1.3 specification Marketing Services Center E-mail:  11501 BURNET RD,, TX, 78758-3400, AUSTIN, USA Attachment: Issue252-DitavalOutputclass.pdf Description: Adobe PDF document