Getting arbitrarily nested empty rule-less blocks emitting correctly in expanded-style mode.

empty_levels.scss

+div {
+  span {
+    color: red;
+    background: blue;
+  }
+}
+
+div {
+  color: gray;
+  empty {
+    span {
+      color: red;
+      background: blue;
+    }
+  }
+}
+
+empty1 {
+  empty2 {
+    div {
+      blah: blah;
+    }
+  }
+}
+
+empty1 {
+  empty2 {
+    div {
+      bloo: blee;
+      empty3 {
+        span {
+          blah: blah;
+          blah: blah;
+        }
+      }
+    }
+  }
+}

node.cpp

@@ -151,9 +151,11 @@ namespace Sass {
         opt_children[i].emit_expanded_css(buf, prefix);
       break;
     case ruleset:
-      buf << prefix;
-      if (children[1].children.size() > 0)
-        children[0].emit_expanded_css(buf, prefix);
+      // buf << prefix;
+      if (children[1].children.size() > 0) {
+        buf << prefix << (prefix.empty() ? "" : " ");
+        children[0].emit_expanded_css(buf, "");
+      }
       string newprefix(prefix.empty() ? prefix : prefix + " ");
       children[1].emit_expanded_css(buf, newprefix + string(children[0].token));
       break;

sassc.cpp

@@ -13,11 +13,11 @@ int main(int argc, char* argv[]) {
 
   Document doc(argv[1], 0);
   doc.parse_scss();
-  // string output = doc.emit_css(doc.expanded);
-  // cout << output;
-  // cout << endl;
-  string output = doc.emit_css(doc.nested);
+  string output = doc.emit_css(doc.expanded);
   cout << output;
+  cout << endl;
+  // string output = doc.emit_css(doc.nested);
+  // cout << output;
 
   return 0;
 }
\ No newline at end of file

test.scss

@@ -35,4 +35,13 @@ div {
   }
 }
 /* last comment, top level again --
-   compare the indentation! */
\ No newline at end of file
+   compare the indentation! */
+   
+div {
+  f: g;
+  empty {
+    span {
+      a: b;
+    }
+  }
+}
\ No newline at end of file