[TxMt] Column mode toggle from keyboard

[Domenico Carbotta]

> If I select two complete lines of text and hit Option then the  
> caret also moves into the line below, which is not useful because I  
> just wanted to add comments to the start of the selected two lines.  
> Is this a bug or the way it's supposed to work?

it's supposed to work that way. you should start and stop selecting  
at the column you want the "multi-line caret" to be (start at the  
beginning of the first line and end at the beginning of the second line)

ciao,

d.