Ah.. now I understand why no fixed default value is given.
I like the randomised cleanup.. adds a bit of excitement ot an otherwise
<joke>I wonder if we could ad hit points and stats to the temp files so
they can battle it out for supremacy in the temp folder</joke>
There's a bit more in appendix:
Basically it's normal that PHPTAL leaves a lot of temp files behind.
They'll be cleaned up after a month, or you can delete them yourself
anytime if they bother you.
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