"Backspace/delete unindents" doesn't :-)

[dandv 0]

(press Enter, with the cursor placed right after the ':' sign)

 

1) Paste this text into a normal new Edit window, starting from column 1.

2) After pressing Enter at the end of this line, type three spaces and DEL:

3) OK, now you have an indented line. To see Autoindenting, press Enter:

4) If the cursor is on column 4, Autoindent worked. Go to step 5.

5) After pressing Enter at the end of this line, press Backspace:

6) If the cursor is on column 1, "Backspace unindents" work. Now press Enter:

7) If the cursor is on column 4, then you reproduced the bug :-)

 

Hope this helps,

Dan Dascalescu