[fpc-pascal] Re: ReadLn issues a warning

[Peter Vreman]

> Hello,
>
> this is a general feature when using an uninitialized variable as a VAR
> parameter.
>
> The compiler cannot know if the called routine needs the parameter values,
> or if the parameter is only used to return values back to the caller.
>
> So, I think, a warning here could be helpful (in the case of READ(LN ) not
> of course, but in other cases).

It is a known issue for Readln() and Str(). The routines need to be
changed from 'var' to 'out'. But changing it short before the release was
too risky.