bug#36829: 27.0.50; flx completion style mentioned on NEWS

[Eli Zaretskii]

> From: Óscar Fuentes <ofv@wanadoo.es>
> Date: Sun, 28 Jul 2019 17:14:19 +0200
> 
> ** New 'flex' completion style
> An implementation of popular "flx/fuzzy/scatter" completion which
> matches strings where the pattern appears as a subsequence.  Put
> simply, makes "foo" complete to both "barfoo" and "frodo".  Add 'flex'
> to 'completion-styles' or 'completion-category-overrides' to use it.
> 
> "flx" is a matching *and* scoring method. What is described on the NEWS
> entry only impacts matching. Maybe the author made a typo and wanted to
> write "flex/fuzzy/scatter" instead?

Thanks, fixed.