Fixes an edge case with compact @font-face output

emitter.hpp

@@ -37,10 +37,15 @@ namespace Sass {
       bool scheduled_delimiter;
 
     public:
+      // output strings different in comments
       bool in_comment;
+      // selector list does not get linefeeds
       bool in_wrapped;
+      // lists always get a space after delimiter
       bool in_media_block;
+      // nested list must not have parentheses
       bool in_declaration;
+      // nested lists need parentheses
       bool in_space_array;
       bool in_comma_array;
 

inspect.cpp

@@ -1,14 +1,15 @@
-#include "inspect.hpp"
-#include "ast.hpp"
-#include "context.hpp"
-#include "utf8/checked.h"
 #include <cmath>
 #include <string>
 #include <iostream>
 #include <iomanip>
 #include <stdint.h>
 #include <stdint.h>
 
+#include "ast.hpp"
+#include "inspect.hpp"
+#include "context.hpp"
+#include "utf8/checked.h"
+
 namespace Sass {
   using namespace std;
 
@@ -99,9 +100,10 @@ namespace Sass {
     append_token(at_rule->keyword(), at_rule);
     if (at_rule->selector()) {
       append_mandatory_space();
+      bool was_wrapped = in_wrapped;
       in_wrapped = true;
       at_rule->selector()->perform(this);
-      in_wrapped = false;
+      in_wrapped = was_wrapped;
     }
     if (at_rule->block()) {
       at_rule->block()->perform(this);

output.cpp

@@ -349,19 +349,21 @@ namespace Sass {
 
     append_scope_opener();
 
+    bool format = kwd != "@font-face";;
+
     for (size_t i = 0, L = b->length(); i < L; ++i) {
       Statement* stm = (*b)[i];
       if (!stm->is_hoistable()) {
         stm->perform(this);
-        if (i < L - 1) append_special_linefeed();
+        if (i < L - 1 && format) append_special_linefeed();
       }
     }
 
     for (size_t i = 0, L = b->length(); i < L; ++i) {
       Statement* stm = (*b)[i];
       if (stm->is_hoistable()) {
         stm->perform(this);
-        if (i < L - 1) append_special_linefeed();
+        if (i < L - 1 && format) append_special_linefeed();
       }
     }