Chris Muller uploaded a new version of Tools to project The Trunk:
http://source.squeak.org/trunk/Tools-cmm.689.mcz

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

Name: Tools-cmm.689
Author: cmm
Time: 14 April 2016, 5:45:50.151772 pm
UUID: 83a287db-4e6e-4a0f-a666-68405c7261c7
Ancestors: Tools-mt.688

- Don't blow up just to render an icon in a list.
- Put keyboard shortcut hint into the 'remove from this browser' function of MessageLists.

=============== Diff against Tools-mt.688 ===============

Item was changed:
  ----- Method: Browser>>messageIconAt: (in category 'message list') -----
  messageIconAt: anIndex
  
+ 	^ self messageIconFor: (self messageList at: anIndex ifAbsent: [^nil])!
- 	^ self messageIconFor: (self messageList at: anIndex)!

Item was changed:
  ----- Method: MessageSet>>addExtraShiftedItemsTo: (in category 'message list') -----
  addExtraShiftedItemsTo: aMenu
  	"The shifted selector-list menu is being built.  Add items specific to MessageSet"
  	self growable ifTrue:
  		[aMenu addList: #(
  			-
+ 			('remove from this browser (d)'		removeMessageFromBrowser)
- 			('remove from this browser'		removeMessageFromBrowser)
  			('filter message list...'			filterMessageList))].
  	aMenu 
+ 		add: 'sort by date'
- 		add: 'sort by date' 
  		action: #sortByDate!