Thank you Brian and Bill for your responses. I've nailed my problem more
precisely now:

   foo=: 3 : 0
a=. x+/y
*:a
)

shows in the debug window as

[0] a=. x+/y
[1] *:a

which is fine. But I had a verb that I had made rank 1, such as

   foo=: 3 : 0"1
a=. x+/y
*:a
)

and this shows in the debug window as

[0] 3 : 0"0a=: i.3 4b=: 2a*b)

Is this a bug in Debug? My verb ran OK.

Regards

Graham

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