I have also found a program with
[a |b |c ]
[ ]
[a |b |c ]
[ ]
in a table; the fix I applied was to "stretch" the other fields too:
[a |b |c ]
[ | | ]
[a |b |c ]
[ | | ]
I have only found one sample program so far, and I confess I haven't checked out what it looks like, which I should probably do