Code review comment for lp:~spiv/bzr/smarter-index-search

Andrew, when you and John are happy, I think you should just land this.

On the 'always reorder' side; if you do do that please check that the end of transaction stuff that pops off the in-progress indices won't be affected, back in the dim past it used [0] to 'know' that the first index was the one being written.