Add the units-level-3 feature flag

xzyfer · xzyfer · commit 5b111cfe2e15 · 2015-03-31T13:38:38.000+11:00
diff --git a/functions.cpp b/functions.cpp
@@ -149,7 +149,8 @@ namespace Sass {
     // features
     static set<string> features {
       "global-variable-shadowing",
-      "at-error"
+      "at-error",
+      "units-level-3"
     };
 
     ////////////////
