clean up formatting on gmi:render procedure and document

gmi.rkt

@@ -125,9 +125,13 @@
                 (map string-join (outer-iter (list) (string-split paragraph))))
       (newline)))
 
+;; given a document, which is a list of structs, render it out into
+;; the current output port exactly as it will be shown to the user
 (define (render document)
-  (for-each (λ (line)
-              (cond [(text? line)
+  (for-each
+   (λ (line)
+     (cond
+       [(text? line)
         (render-paragraph (text-str line))]
 
        [(pre? line)