Re: use getSortKey in Unicode::Collate

[Gavin Smith]

On Mon, Feb 13, 2023 at 06:01:46PM +0100, Patrice Dumas wrote:
> On Mon, Feb 13, 2023 at 08:47:26AM +0000, Gavin Smith wrote:
> > > Other than that I do not have much other idea than disabling it, for
> > > instance if documentlanguage is en.  The result with Unicode::Collate is
> > > better for accented letters, but not so useful in english.  There could
> > > even be a customization variable to use Unicode::Collate even in
> > > english.
> > 
> > Another possibility is to use getSortKey:
> 
> This is done in 
> https://git.savannah.gnu.org/cgit/texinfo.git/commit/?id=434dcffe6a531f2d25200b2059ddfd784ab58c6f
> 
> The default is for now set to using preset keys.  For now it can be
> changed in tp/Texinfo/Structuring.pm by setting $default_preset_keys to 0.
> 
> I have compared the Texxinfo tests, and not pre-setting seems to be a
> bit faster.  However, for the Texinfo manual pre-setting the keys leads
> to a net gain, with a doubling of the time without pre-setting.

Great work!  I found it was nearly as fast as before in the testing
I did too.  It should be okay to use Unicode::Collate unconditionally,
then.