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Subject: RE: [dita] outputclass on map elements
Hi, Paul:
To clarify, the outputclass attribute is available on the topic elements in DITA 1.0. The attribute should have been provided on the DITA map elements as well -- hence the bug fix.
The outputclass attribute really fills a role similar to the DocBook role attribute. Where the output format has a concept of class or role (as with HTML), the outputclass can be copied into the output, but its primary purpose is to provide informal semantic extension rather than stuff names into the HTML class attribute.
The attribute could have a better name.
Erik Hennum
ehennum@us.ibm.com
"Grosso, Paul" <pgrosso@ptc.com>
06/07/2006 07:24 AM |
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Hi, Esteemed Technical Committee:
The 1.1 bug list (http://wiki.oasis-open.org/dita/Bug_fixes_for_DITA_1%2e1#preview) has an item that never received final disposition -- adding the outputclass attribute to the map elements (<map>, <topicref>, <navref>, <anchor>, and <reltable>):
http://lists.oasis-open.org/archives/dita/200602/msg00082.html
To recap, the outputclass attribute assigns an informal role to an element. As such, outputclass is quite useful for extending the semantic without formal specialization. For instance, you can use outputclass to mock up a specialization in the base document type or to create handles for custom processing. Typical output processing for HTML copies the outputclass into the class attribute so users can create custom CSS styling.
Currently, outputclass is only available on topic elements and not on map elements. As a result, you can't easily mock up a map specialization or provide handles for custom map processing.
The main implication of map outputclass for the base output processing would seem to be to collect the outputclass values for the topicref and provide them on the outermost wrapper of the HTML content for the topic. The latter enhancement would let users style a topic in CSS based on the role played by a topic within a map.
The outputclass attribute is close to being a universal attribute -- it applies to a similarly large list of elements and merits similar treatment. I'd like to request that we finalize this bug fix at the next meeting.
Thanks,
Erik Hennum
ehennum@us.ibm.com
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