Marcel Taeumel uploaded a new version of Morphic to project The Trunk:
http://source.squeak.org/trunk/Morphic-mt.1295.mcz

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

Name: Morphic-mt.1295
Author: mt
Time: 23 August 2016, 11:12:14.145924 am
UUID: a59d0463-424b-af47-ad8a-f6d403c7dd5d
Ancestors: Morphic-mt.1294

Fix accidential scrolling when invoking the menu of a scroll pane (e.g. lists, text fields) via yellow-clicking the scroll bar (paging area).

=============== Diff against Morphic-mt.1294 ===============

Item was changed:
  ----- Method: ScrollBar>>scrollPageInit: (in category 'scrolling') -----
  scrollPageInit: evt
+ 
+ 	evt redButtonPressed ifFalse: [^ self].
+ 
  	self resetTimer.
  	self setNextDirectionFromEvent: evt.
  	self scrollBarAction: #doScrollByPage.
  	self startStepping.!