Bug fix: Deletes matching quote, brace, bracket, etc. if you have "Insert pair bracket", "Insert pair brace", "Insert pair quote" turned on. This is accomplished by delegating to original backspace handler when the only action is to delete the previous non-whitespace char.
Bug fix: When there is text to the right of the caret and caret is to the right of the indent column, will now reindent the text to the indent column and move the caret to the indent column. If caret is equals or to the left of the indent column, then it will behave as before, i.e. the caret and text is moved up to end of the previous line.
will now produce the following when BackSpace? is pressed: