I asked because I know more from getting an answer than I would have
if I hadn't asked or if I had just experimented.
It looks like I had multiple submissions..... sorry about that ....
problems with gmail formatting.
On Tue, Apr 9, 2013 at 2:22 PM, Michael Kay <mike(_at_)saxonica(_dot_)com>
wrote:
You're asking as if we had a choice. But the semantics have been well defined
since 1999, so why raise the question now?
And the approach you are proposing is very paternalistic. Disallowing things
because the user might not understand what they are doing is not generally a
good design principle, especially when it breaks orthogonality. (Treating the
separate parts of a union pattern differently was already a serious breach of
orthogonality, but that's a different question.)
Michael Kay
Saxonica
On 9 Apr 2013, at 12:37, Ihe Onwuka wrote:
Given that the sub parts of a unionized pattern retain their individual
priorities
<xsl:template match="A|B[*] ......
What should be the semantic if you were to now specify a priority attribute.
The instinctive reaction would be they should all get the same priority but
there not a case for saying that it should not be allowed.
The rationale would be to highlight that the subparts may have had
different priorities in the first place so making their priorities
homogenous might actually be the source of what would be a hard to find bug.
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