On 3 August 2012 21:27,  <commits at source.squeak.org> wrote:
> Frank Shearar uploaded a new version of Collections to project The Trunk:
> http://source.squeak.org/trunk/Collections-fbs.482.mcz
>
> ==================== Summary ====================
>
> Name: Collections-fbs.482
> Author: fbs
> Time: 3 August 2012, 9:26:33.402 pm
> UUID: f236f58a-ba49-4c8c-8314-731f82206158
> Ancestors: Collections-ael.481
>
> Merge Collections-ael.481
>
> remove spurious sharing of associations between a dictionary and another created from it
>
> =============== Diff against Collections-cwp.480 ===============
>
> Item was changed:
>   ----- Method: Dictionary class>>newFrom: (in category 'instance creation') -----
>   newFrom: aDict
>         "Answer an instance of me containing the same associations as aDict.
>          Error if any key appears twice."
>         | newDictionary |
>         newDictionary := self new: aDict size.
>         aDict associationsDo:
>                 [:x |
>                 (newDictionary includesKey: x key)
>                         ifTrue: [self error: 'Duplicate key: ', x key printString]
> +                       ifFalse: [newDictionary add: x copy]].
> -                       ifFalse: [newDictionary add: x]].
>         ^ newDictionary
>
>   "     NewDictionary newFrom: {1->#a. 2->#b. 3->#c}
>         {1->#a. 2->#b. 3->#c} as: NewDictionary
>         NewDictionary newFrom: {1->#a. 2->#b. 1->#c}
>         {1->#a. 2->#b. 1->#c} as: NewDictionary
>   "!
>
> Item was added:
> + ----- Method: WeakRegistry class>>migrateOldRegistries (in category 'migrating registry') -----
> + migrateOldRegistries

Grr. Ael's commit didn't change this method, and I merged it in, so I
don't know why it got added. Seperate commit re-removes it.

frank