[fpc-pascal] Unicode file routines proposal

[Mattias Gaertner]

On Tue, 1 Jul 2008 18:55:44 +0200
Martin Schreiber <fpmse at bluewin.ch> wrote:

> On Tuesday 01 July 2008 18.32:30 Mattias Gärtner wrote:
> > >
> > > In this routines length(widestring), widestring[index],
> > > pwidechar^, pwidechar[index], pwidechar + offset, pwidechar -
> > > pwidechar and inc(pwidechar)/dec(pwidechar) are used often. This
> > > can't be done with utf-8 strings.
> >
> > Ehm, do you know, that UTF-8 has the advantage, that many ascii
> > functions work without change?
> > For example ReplaceChar or searching a substring?
> >
> Sure, but for layout calculation and the like we need fast access to 
> codepoints.

Can you point me to an example function, where this is critical?

Mattias