On 08 May 2014, at 10:58, Nicolai Hess <nicolaihess@web.de> wrote:

> 2014-05-08 10:39 GMT+02:00 phil@highoctane.be <phil@highoctane.be>:
> On Thu, May 8, 2014 at 9:37 AM, Sven Van Caekenberghe <sven@stfx.eu> wrote:
>
> On 07 May 2014, at 23:25, Nicolas Cellier <nicolas.cellier.aka.nice@gmail.com> wrote:
>
> > I love these kind of snippets :)
> >
> > I have built a collection of freak expressions in Squeak3.9.
> > Pharo 3.0 is less spectacular, above collection is shrinking dangerously...
> > but there are still some not so unsurprising features to test for:
>
> These are actually not that funny, we should try to do something about them, or at least discuss them a bit.
>
> > 'hello' copyReplaceFrom: 6 to: 4 with: 'world'.
>
> #copyReplaceFrom:to:with: seems overloaded with the insert case, is that really necessary ?
> still the fact that the $o appears twice feels like a bug, no ?
>
> 'Helloworldo' was indeed very surprising. Silent failures like this seem pretty dangerous to me.
>
> Are you sure this is a failure ? :)
> From the comment of SequenceableCollection>>copyReplaceFrom: start to: stop with: replacementCollection
>
> ... ��If stop is less than start, then this is an insertion;....start = size+1 means append after last character....

The why is the result not 'Helloworld' ? or 'Hellworldo' ? Why does the $o appear twice ?