> This has happened a few times before and I've never been able to
> figure out the cause

Well that's kind of encouraging. I've noticed the odd time when
something didn't work but it usually comes right. It's quite frustrating
as I'm full of ideas and busting to get ahead. The one thing that does
bother me is that previous versions of this file didn't exhibit this the
last time I used them in a project, but now they also have no text run
cursor. I moved the files over to another PC running MPLAB 7.0 and
the same thing happened - no cursor. I don't know what to think
(especially as the other versions of this file have not been edited at all).
Other recent F452 projects test OK, so there must be something
common to this particular file and its predecessors, but 4 hours
looking hasn't turned up anything. Maybe after a power-down it'll
all be ticketty in the morning

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