The spec suggests that showInputMessage
and showErrorMessage
should be optional and default to False
. Updated DataValidation class to match
Ref. https://c-rex.net/projects/samples/ooxml/e1/Part4/OOXML_P4_DOCX_dataValidation_topic_ID0E1DW4.html
Closes 1732 and potentially 1770
--HG-- branch : 3.0