patch applied (packages/HaXml): During validation,
allow for the possibility of all-empty choice or sequence.
Malcolm.Wallace at cs.york.ac.uk
Wed May 21 07:29:18 EDT 2008
Wed May 21 04:17:37 PDT 2008 Malcolm.Wallace at cs.york.ac.uk
* During validation, allow for the possibility of all-empty choice or sequence.
E.g. an element content spec of
(caption?, (col*|colgroup*), thead?)
is a sequence that could be entire empty, and it contains a choice which
could also be entirely empty.
M ./src/Text/XML/HaXml/Validate.hs +6
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