A new version of PackageInfo-Base was added to project The Inbox:
http://source.squeak.org/inbox/PackageInfo-Base-ct.75.mcz

==================== Summary ====================

Name: PackageInfo-Base-ct.75
Author: ct
Time: 6 May 2021, 10:33:29.313835 pm
UUID: 97e1ecda-b56a-1b44-bfa6-0e80ddc30e9f
Ancestors: PackageInfo-Base-nice.74

Adds PackageInfo >> #unregister analogously to existing #register.

=============== Diff against PackageInfo-Base-nice.74 ===============

Item was removed:
- (PackageInfo named: 'PackageInfo-Base') preamble: '"below, add code to be run before the loading of this package"
- PackageOrganizer default
- 	unregisterPackageNamed: ''PackageInfo'';
- 	unregisterPackageNamed: ''ToolBuilder'';
- 	unregisterPackageNamed: ''Morphic-TrueType'''!

Item was added:
+ ----- Method: PackageInfo>>unregister (in category 'registering') -----
+ unregister
+ 
+ 	Environment current packageOrganizer unregisterPackage: self!