I'm using the slime-indentation contrib.
This is indented correctly:
(= 1 2
3)
However, when wrapped in a LOOP it's not:
(loop
(= 1 2
3)) <= 3 should be right below 1
Another example:
(bar
1 ; 1 below b
2)
(loop
(bar
1 ; 1 below a
2))