Bump spec version to 0.11.
diff --git a/spec.txt b/spec.txt
index d43f559..21f2633 100644
--- a/spec.txt
+++ b/spec.txt
@@ -2,8 +2,8 @@
 title: CommonMark Spec
 author:
 - John MacFarlane
-version: 0.10
-date: 2014-11-06
+version: 0.11
+date: 2014-11-10
 ...
 
 # Introduction