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Re: [O] [Babel] [Bug] Cache
From: |
Achim Gratz |
Subject: |
Re: [O] [Babel] [Bug] Cache |
Date: |
Fri, 06 Dec 2013 20:57:19 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) |
Eric Schulte writes:
> In that thread we agreed that the expansion of no-web references
> *should* be included in code blocks for hashing, but no-one has had the
> time to implement this.
I think we may have discussed this before, but if you make the hashes
dependent on the possibly recursive noweb expansions this would require
that all expansions be re-computed all the time or you would need to
discern which of the expansions are "pure" (i.e. depend only on their
arguments, functional-style), which have session semantics and which of
the ones that have session semantics should possibly not be
re-evaluated. I'm not sure that opening this can of worms is worth the
trouble.
Regards,
Achim.
--
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