Force poilipo to cache

Hi,

Is there a way to force polipo to cache an object? I am trying to do
this, a client and an apache server communicates. At some intermediate
point in the path, the response from Apache will be split and one copy
will go to the client, one to polipo. Will polipo cache the object in
this situation? I assume it won't by default, is there a way to make
it cache?

Thanks

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