From a7614864f7971f3d2c89e3c3a675b5463da79da9 Mon Sep 17 00:00:00 2001
From: Nathan Weizenbaum <nex342@gmail.com>
Date: Wed, 29 Oct 2008 23:39:36 -0700
Subject: [PATCH] Support CSS3-style pseudo-elements.

---
 lib/sass/engine.rb       |  8 +++++++-
 test/sass/engine_test.rb | 10 ++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/lib/sass/engine.rb b/lib/sass/engine.rb
index 24ab827e..7d02e4db 100644
--- a/lib/sass/engine.rb
+++ b/lib/sass/engine.rb
@@ -278,7 +278,13 @@ END
     def parse_line(line)
       case line[0]
       when ATTRIBUTE_CHAR
-        parse_attribute(line, ATTRIBUTE)
+        if line[1] != ATTRIBUTE_CHAR
+          parse_attribute(line, ATTRIBUTE)
+        else
+          # Support CSS3-style pseudo-elements,
+          # which begin with ::
+          Tree::RuleNode.new(line, @options[:style])
+        end
       when Constant::CONSTANT_CHAR
         parse_constant(line)
       when COMMENT_CHAR
diff --git a/test/sass/engine_test.rb b/test/sass/engine_test.rb
index a2e61eed..ed612419 100755
--- a/test/sass/engine_test.rb
+++ b/test/sass/engine_test.rb
@@ -174,6 +174,16 @@ END
     end
   end
 
+  def test_pseudo_elements
+    assert_equal(<<CSS, render(<<SASS))
+::first-line {
+  size: 10em; }
+CSS
+::first-line
+  size: 10em
+SASS
+  end
+
   def test_directive
     assert_equal("@a b;", render("@a b"))