From e850d9572a023b07b3b72b6014f28ca7e5f66610 Mon Sep 17 00:00:00 2001
From: Xidorn Quan <me@upsuper.org>
Date: Tue, 28 Feb 2017 17:17:54 +1100
Subject: [PATCH] Don't serialize currentcolor for border shorthand

---
 components/style/properties/shorthand/serialize.mako.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/style/properties/shorthand/serialize.mako.rs b/components/style/properties/shorthand/serialize.mako.rs
index 017e77586eb..660c455f027 100644
--- a/components/style/properties/shorthand/serialize.mako.rs
+++ b/components/style/properties/shorthand/serialize.mako.rs
@@ -2,6 +2,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use cssparser::Color;
 use properties::DeclaredValue;
 use style_traits::ToCss;
 use values::specified::{BorderStyle, CSSColor};
@@ -84,7 +85,7 @@ fn serialize_directional_border<W, I,>(dest: &mut W,
     };
 
     match *color {
-        DeclaredValue::Value(ref color) => {
+        DeclaredValue::Value(ref color) if color.parsed != Color::CurrentColor => {
             try!(write!(dest, " "));
             color.to_css(dest)
         },