Re: Character group folding in searches

[Eli Zaretskii]

> From: Stefan Monnier <address@hidden>
> Cc: address@hidden,  address@hidden
> Date: Fri, 06 Feb 2015 13:03:12 -0500
> 
> > subset of folding.  A character whose folding is not a single
> > character should map to a vector or a string of characters (not sure
> > which one is best, we should choose the one that lends itself to the
> > most efficient use).
> 
> So "folding" can turn a single char into a sequence of chars?  Why not
> do it the other way?

Because the other way you cannot use char-tables.  And because
matching "a" and "á" will be hard the other way.