Well, I'm sure why. Its a bug, and I dont do perlguts. Sorry. But the link that blakem provided contains a further link to Dangers report on your problem. And that provides a link to the p5p thread on the subject which is where you should have a look if you are interested in the gory details...

Yves / DeMerphq
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In reply to Re: Re: Re: Re: Tie's FETCH called twice? by demerphq
in thread Tie's FETCH called twice? by smitz

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