A new version of GraphicsExternal was added to project The Inbox:
http://source.squeak.org/inbox/GraphicsExternal-cbc.2.mcz

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

Name: GraphicsExternal-cbc.2
Author: cbc
Time: 20 April 2017, 2:23:29.777447 pm
UUID: 7a5bf028-13ba-7443-a625-08ecf802fdcf
Ancestors: GraphicsExternal-cbc.1

Move some Form methods only used in conjuction with our classes into this package.

=============== Diff against GraphicsExternal-cbc.1 ===============

Item was added:
+ ----- Method: Form>>displayScreen (in category '*GraphicsExternal') -----
+ displayScreen
+ 	"Return the display screen the receiver is allocated on. 
+ 	Forms in general are Squeak internal and not allocated on any particular display."
+ 	^nil!

Item was added:
+ ----- Method: Form>>isBltAccelerated:for: (in category '*GraphicsExternal') -----
+ isBltAccelerated: ruleInteger for: sourceForm
+ 	"Return true if the receiver can perform accelerated blts operations by itself"
+ 	^false!

Item was added:
+ ----- Method: Form>>isExternalForm (in category '*GraphicsExternal') -----
+ isExternalForm
+ 	^false!

Item was added:
+ ----- Method: Form>>isFillAccelerated:for: (in category '*GraphicsExternal') -----
+ isFillAccelerated: ruleInteger for: aColor
+ 	"Return true if the receiver can perform accelerated fill operations by itself"
+ 	^false!