On Tue, 17 Nov 2009 09:13:27 -0800, Carl Worth <cworth at cworth.org> wrote:

> I didn't apply Keith's fix yet, because I think I'd rather just fix the
> indexer to store the In-Reply-To header in a separate term prefix from
> the term used for the References header[*]. That will then let us lookup
> the in-reply-to value later for thread constructions without having to
> open the original email file at all.

Threading the message also involves displaying the from and to contents,
which requires opening the message file. The alternative to the fix I
provided is to just parse all of the message headers when first opening
the message; it could then be immediately closed and the hash referred
to for all header data. Given the choice, just having the caller say
when it has finished with a message is probably a reasonable option...


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