Ah my bad, I have overriden a package with same name !!! (This was from
source.squeak.org web interface, and I got no warning...)
How can I undo? Not sure whether I have a copy of the original or not...


2013/9/24 <commits at source.squeak.org>

> Nicolas Cellier uploaded a new version of Morphic to project The Trunk:
> http://source.squeak.org/trunk/Morphic-nice.683.mcz
>
> ==================== Summary ====================
>
> Name: Morphic-nice.683
> Author: nice
> Time: 20 September 2013, 10:47:32.05 pm
> UUID: 3c0205a8-73ce-406f-a9d3-71c03be3335f
> Ancestors: Morphic-cmm.682
>
> Use displayWorldSafely rather than doOneCycle in PluggableListMorph.
> No idea if it really does the intended preselection job, but at least it
> avoids all these red morphs of death to yellow cross my workflow.
>
> =============== Diff against Morphic-cmm.682 ===============
>
> Item was changed:
>   ----- Method: PluggableListMorph>>changeModelSelection: (in category
> 'model access') -----
>   changeModelSelection: anInteger
>         " Change the model's selected item index to be anInteger. Enable
> the pre selection highlight. Step the World forward to let the pre
> selection highlight take effect. "
>
>         self rowAboutToBecomeSelected: (self uiIndexFor: anInteger).
> +       World displayWorldSafely.
> -       World doOneCycle.
>         setIndexSelector ifNotNil: [
>                 model perform: setIndexSelector with: anInteger ].!
>
>
>
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