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[Bug 29574] [xslt30] Default visibility of accepted components

From: <bugzilla@jessica.w3.org>
Date: Thu, 26 May 2016 21:22:40 +0000
To: public-qt-comments@w3.org
Message-ID: <bug-29574-523-ZwHEktx3zV@http.www.w3.org/Bugs/Public/>

Michael Kay <mike@saxonica.com> changed:

           What    |Removed                     |Added
            Summary|Default visibility of       |[xslt30] Default visibility
                   |accepted components         |of accepted components

--- Comment #14 from Michael Kay <mike@saxonica.com> ---
The minutes from 12 May record:

MKay summarizes his action item ACTION-2016-04-28-001, which lead to the
proposal in Comment#9.

He explained why visibility="absent" gives problems but also has holes in the
current spec (see Comment#10) and suggests to solve this as mentioned in

He summarizes the issue as:
1) Do we mean the component exists without visibility
2) Do we mean the component is absent
3) Do we mean something else

MKay walks us through the proposal
ABr asks whether we can remove the attribute value "absent" entirely
The WG discusses this proposal and there's sympathy for it

By dropping it, the whole of visibilities becomes more orthogonal and removes
the issue between option (1) and (2) above.

MSMcQ asks about the meaning "hidden". 
Answer (MKay, ABr): it removes it from scope of the current stylesheet, while
"private" is visible in the current stylesheet

1) We drop visibility="absent"
2) We get the same functionality using attribute value "hidden"
3) The default for an abstract component will be "hidden"
4) The wording of XTSE3052 and the paragraph around it needs to be updated to
reflect this change

ACTION 2016-05-12-2016-003: MKay to implement the proposed solution to drop
visibility="absent" and allow abstract components to be hidden

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