[fpc-pascal] FPC + Mobile development: the String type

[Marco van de Voort]

In our previous episode, leledumbo said:
> > IMHO a substituting bad with worse is not a good reason. Java/CIL needs
> this 
> > because its strings are immutable, and character access is expensive. We 
> > don't share, nor plan to share that trait. 
> 
> I hope so, and with Delphi plans on making strings immutable in the future,
> I hope FPC doesn't follow.

(doesn't it already for the jvm port?)

> Otherwise, simple string concatenation loop will
> need to be changed to use string buffers, which makes it more error prone,
> more typing and more resource eating.

Such things would invalidate half of my codebases, private and work. I don't
see the synergy of such new versions with the current products (FPC or
Delphi). Same problem I had with e.g. PRISM.