Getting the newlines right, and adding a new spec test.

node.cpp

@@ -107,6 +107,7 @@ namespace Sass {
           }
         }
       }
+      if (block.has_rules_or_comments) --depth;
       if (depth == 0 && prefixes.empty()) buf << endl;
     } break;
     default:

selector_groups.scss

@@ -16,6 +16,10 @@ c, d {
   i, j {
     foo: goo;
     k, l {
+      m, n, o {
+        wow: we are far inside;
+        but: it still works;
+      }
       hoo: boo;
     }
   }

spec/basic/07_nested_simple_selector_groups/input.scss

+a, b {
+  color: red;
+  background: blue;
+}
+
+c, d {
+  color: gray;
+  e, f {
+    background: blue;
+    padding: 10px 5px;
+  }
+  g, h {
+    blah: blah;
+    bloo: bloo;
+  }
+  i, j {
+    foo: goo;
+    k, l {
+      m, n, o {
+        wow: we are far inside;
+        but: it still works;
+      }
+      hoo: boo;
+    }
+  }
+}
\ No newline at end of file

spec/basic/07_nested_simple_selector_groups/output.css

+a, b {
+  color: red;
+  background: blue; }
+
+c, d {
+  color: gray; }
+  c e, c f, d e, d f {
+    background: blue;
+    padding: 10px 5px; }
+  c g, c h, d g, d h {
+    blah: blah;
+    bloo: bloo; }
+  c i, c j, d i, d j {
+    foo: goo; }
+    c i k, c i l, c j k, c j l, d i k, d i l, d j k, d j l {
+      hoo: boo; }
+      c i k m, c i k n, c i k o, c i l m, c i l n, c i l o, c j k m, c j k n, c j k o, c j l m, c j l n, c j l o, d i k m, d i k n, d i k o, d i l m, d i l n, d i l o, d j k m, d j k n, d j k o, d j l m, d j l n, d j l o {
+        wow: we are far inside;
+        but: it still works; }