When using I the Edit Text dialog (Ctrl+Shift+T) it will often insert a carriage return in front of the edited text string when you hit OK to end the edit.
Bill Isenberger said:(Ctrl+Shift+T) it will often insert a carriage return in front of the edited text
Yes, I have that too (win 7 pro, .net 4.5, X6.3+hotfix, 64 bit). A number of other people have reported this and the reports began about the same time as either X6.3 or the subsequent hotfix.
It does seem that not everybody has the problem -- unless, perhaps, the others are not using control-shift-T to edit the text, or it is dependent on the font.
The alternative, to zoom in close and edit the text direct in the design (ie, without using control-shift-T) does seem to work without introducing the extra returns.