string manipulation

Hi Listmembers,

I'm finding myself having to manipulate strings
because the tool that generates my xml can't generate
new elements that I need:

<item name="var1" description="subscribed
key=att1,att2 corc=att2,att3,att4,att21,att25"/>

I want to parse the description so I can print
key: att1
key: att2
a: att2
a: att3
a: att4
a: att21
a: att25

I can't figure it out using substring-before or
substring-after. Your help is very much appreciated.

J.L.

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