1.5a or 1.2?Not very well,everyone!

Three new problems!

1,File ->Save page as -> NO *.txt as usual!
Noly words as fast as enough!Internet! Good place to get konwledge!Usually only words need be saved !Donnot need any more!

2,Edit -> Preferences and Configuration
Undoubtly here must lost something very importent!
Because settings of many plugins cannot be changed as last version!

3,Strikes right sometimes cannnot be used!