using legend with fill

Hi,

I have produced a figure and used 'fill' to plot regions in that figure. I
wanted to place a legend for it, but when I tried it only the labels
appeared - no coloured squares indicating the colours of the fills, as you
get in Matlab. Is it possible to do this? I noticed in one of the example
scripts that it works with a barchart. I would like to use it in the same
way, but with 'fill's.

Cheers,
Brionie

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