ok I understand now thank you all for the clarifications. Very exciting and powerful stuff, the more I learn about pharo and smalltalk the more I love it.

From: Esteban Lorenzano <estebanlm@gmail.com>
To: Pharo-project@lists.gforge.inria.fr; dimitris chloupis <thekilon@yahoo.co.uk>
Sent: Wednesday, 12 December 2012, 12:15
Subject: Re: [Pharo-project] Nautilus and grey out text

No, just a method added to a class, and categorized with a special name: *NameOfThePackageWhereItBelongs

Esteban

On Dec 12, 2012, at 11:11 AM, dimitris chloupis <thekilon@yahoo.co.uk> wrote:

Oh I see, very clever, are those methods traits ?

From: Pavel Krivanek <pavel.krivanek@gmail.com>
To: Pharo-project@lists.gforge.inria.fr; dimitris chloupis <thekilon@yahoo.co.uk>
Sent: Wednesday, 12 December 2012, 11:48
Subject: Re: [Pharo-project] Nautilus and grey out text

If you have got a package named MyPackage then if some class that is not part of this package has got some methods in categories named like *MyPackage(-Something) (star, package name, optional category) then this methods are bundled together with MyPackage.

-- Pavel

On Wed, Dec 12, 2012 at 10:38 AM, dimitris chloupis <thekilon@yahoo.co.uk> wrote:
thanks added to my list of things to study :)

From: Sven Van Caekenberghe <sven@stfx.eu>
To: Pharo-project@lists.gforge.inria.fr; dimitris chloupis <thekilon@yahoo.co.uk>
Sent: Wednesday, 12 December 2012, 11:33

Subject: Re: [Pharo-project] Nautilus and grey out text


On 12 Dec 2012, at 10:25, dimitris chloupis <thekilon@yahoo.co.uk> wrote:

> Thanks for the reply , by "extension" you mean inheritance ? Package A class subclasses package B class ?

No, it is extension with respect to Monticello/RPackage packaging.

> From: Pavel Krivanek <pavel.krivanek@gmail.com>
> To: Pharo-project@lists.gforge.inria.fr; dimitris chloupis <thekilon@yahoo.co.uk>
> Sent: Wednesday, 12 December 2012, 11:19
> Subject: Re: [Pharo-project] Nautilus and grey out text
>
> If a package A adds an exteinson to a class from different package B then the extended class from package B is grayed out and all methods that are not part of the package A too.
>
> -- Pavel
>
> On Wed, Dec 12, 2012 at 10:03 AM, dimitris chloupis <thekilon@yahoo.co.uk> wrote:
> I went through the Nautilus pdf and it seems to explains most of the thing but the grey out text. Any idea why some classess and methods are grey out ?
>
> By the way congratulation to Nautilus author and all people contributing to it , it certainly looks  like a big improvement over the classic system browser.

--
Sven Van Caekenberghe
http://stfx.eu
Smalltalk is the Red Pill