[mkgmap-dev] FW: AW: RE: computing power mdx/mdr

Fri Feb 27 06:54:07 GMT 2015

Hi Steve,

I think in the old algo the bytes of the suffix
were compared at last, with the patch they are compared 
before the prefix.

Gerd

> Date: Thu, 26 Feb 2015 22:47:42 +0000
> From: steve at parabola.me.uk
> To: mkgmap-dev at lists.mkgmap.org.uk
> Subject: Re: [mkgmap-dev] FW: AW: RE:  computing power mdx/mdr
> 
> Hi Gerd
> 
> > yes, looks much better. I did not test it, but I think it will
> > give a different result for those cases where name contains
> > a suffix (0x1e) . I remember these as lead in/lead out sequences
> > for japanese characters (double byte) characters in ASCII strings?
> 
> 
> Japanese almost certainly doesn't work with the global index anyway.
> I don't see that there would be a difference however - the
> MultiSortKey is effectively just sorting on the concatenation of the
> partial and its prefix.
> 
> ..Steve
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