Add the test after the fact. When I made your suggestion it worked fine then I
added the test. I checked the docs for parsing and they were fine and each had
@cols with a numeric value.

MM

Quoting David Carlisle <davidc@xxxxxxxxx>:

> 
> 
> > I've now added a test if the @cols exists
> 
> if testing for @cols existing makes any difference it's 99.99% certain
> that you have an element without a @cols attribute somewhere.
> 
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