meaning of tags in output

[Tom Tromey]

Markus> I also use varobjects and -var-evaluate-expression, but they still
Markus> contain some tags in the output.

Ok, I see.  Thanks.

I suppose with some effort gdb could emit MI attributes instead of magic
tags here.

Markus> <address of value unknown>
Markus> ???seems to be for errorhandling in gdb???

Tom> I see the code, but I don't know how this could happen.

Markus> If it is unreachable, it probably should be removed.

I actually don't know whether or not it is unreachable.

Tom