Adding @outputclass to colspec element

[Toshihiko Makita <tmakita@antenna.co.jp>]

Dear DITA committee,

If this is already discussed, please forgive me.

I have a strong requirement from user to add table column specific PDF formatting and tried to use colspec/@outputclass but it seems not allowed by DITA 1.3 DTD.

The requirements are as follows:

1. If table/row/entry in specific column is divided into multiple pages, output the original entry content in page 2 or later. Probably this column is used as title column.
2. Also table/row/entry in specific column is divided into multiple pages,output the specific word first such as "Continued" in page 2 or later. This column is used as data column.

In the following URL, colspec/@outputclass seems to be allowed. But I cannot use in DITA 1.3 DTD. I think it is very convenient that I can author column specific attributes via colspec/@outputclass. (For instance, apply column specific background color in table formatting.)

3.2.3.3 <colspec>
http://docs.oasis-open.org/dita/dita/v1.3/errata02/os/complete/part3-all-inclusive/langRef/base/colspec.html#colspec

> The following attributes are available on this element: Universal attribute group (without the Metadata attribute group), @base from the Metadata attribute group , outputclass, and the attributes defined below.

If there is any misunderstanding, please let me know it to me.

Regards,

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 Toshihiko Makita
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