Added support for type: in bin/build_defs.rb

data/de.yaml

@@ -25,7 +25,7 @@ months:
   - name: Neujahrstag
     regions: [de]
     mday: 1
-  - name: Heilige Drei Könige
+  - name: Heilige Drei Könige
     regions: [de_bw, de_by]
     mday: 6
   5: 
@@ -36,7 +36,7 @@ months:
     regions: [de]
     mday: 8
   8: 
-  - name: Mariä Himmelfahrt
+  - name: Mariä Himmelfahrt
     regions: [de_by]
     mday: 15
   10: 

data/nl.yaml

@@ -3,6 +3,7 @@
 # Updated: 2008-11-23.
 # Sources:
 # - http://en.wikipedia.org/wiki/Public_holidays_in_the_Netherlands
+# - http://www.buyusa.gov/netherlands/en/dutch_holidays.html
 --- 
 months:
   0: 
@@ -17,7 +18,7 @@ months:
     function: lambda { |year| easter(year)+1 }
   - name: Hemelvaartsdag
     regions: [nl]
-    function: lambda { |year| easter(year)+40 }
+    function: lambda { |year| easter(year)+39 }
   - name: Pinksteren
     regions: [nl]
     function: lambda { |year| easter(year)+49 }
@@ -43,6 +44,7 @@ months:
   - name: Sinterklaas
     regions: [nl]
     mday: 5
+    type: informal
   - name: Kerstmis
     regions: [nl]
     mday: 25