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JAWS reading table ignoring tags

for

From: Alan Zaitchik
Date: Nov 12, 2019 1:45PM

I have a table where row 1 has some headers that have a colspan of 2 so
that row 2 can contain 2 "sub-headers" of colspan 1 within each "major
category". (I know, this is not ideal, but we cannot change the table too
much...)
What I find is that whether I use the Scope attribute for headers or use
the technique of assigning IDs and populating data cells' "header"
attribute-- either way I do not ever hear the row 2 headers announced.
(JAWS 2019 with Acrobat Reader) This seems contrary to many examples on the
web, so I figure the problem must be that the Headers attribute on the data
cells also specifies a row header for each data cell. (I don't think it's a
bad structure since the file passes PAC3, Adobe Acrobat A11y Checker,
CommonLook Validator, and my bleary eyeballing.)

Is there such a limitation on JAWS 2019's ability to process multiple
headers (2 levels of column headers and 1 level of row header) ?

Thanks,
A