Christoph Thiede uploaded a new version of System to project The Trunk:
http://source.squeak.org/trunk/System-ct.1256.mcz

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

Name: System-ct.1256
Author: ct
Time: 27 November 2021, 9:01:15.105306 pm
UUID: 8dbc4b47-8812-2f45-a7bf-00eb0bf13360
Ancestors: System-ct.1255

Fixes a recent merge slip in MailSender.

=============== Diff against System-ct.1255 ===============

Item was changed:
  ----- Method: MailSender class>>userName (in category 'accessing') -----
  userName
  	"Answer the user name to be used for sending out messages. Leave empty if authentication not required."
  
+ 	self isUserNameSet ifFalse: [self setUserName].
- 	self isUserNameSet ifNil: [self setUserName].
  	^UserName!

Item was changed:
  ----- Method: MailSender class>>userPassword (in category 'accessing') -----
  userPassword
  	"Answer the user password to be used for sending out messages. Leave empty if authentication not required."
  
+ 	self isUserPasswordSet ifFalse: [self setUserPassword].
- 	self isUserPasswordSet ifNil: [self setUserPassword].
  	^ UserPassword!