[MERGE] Support empty keys when looking for common prefixes in CHKMap.

Wed May 13 23:05:32 BST 2009

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Jelmer Vernooij wrote:
> Trivial issue found by bzr-svn's file id map implementation based on
> CHKMap, which uses the entry ('',) that would otherwise cause "local
> variable pos not set" exceptions.
> 
> Cheers,
> 
> Jelmer
> 

BB:approve

Out of curiosity, are you using a hash function for the search key?

John
=:->

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