fix: add month abbreviations

gregorias · gregorias · commit 2029ead0e0e4 · 2023-03-05T10:14:28.000+01:00
diff --git a/src/Data/Time/Calendar/Extra.hs b/src/Data/Time/Calendar/Extra.hs
@@ -23,6 +23,8 @@ monthAssocList =
   , ("Feb.", 2)
   , ("März", 3)
   , ("March", 3)
+  , ("Mar", 3)
+  , ("Mar.", 3)
   , ("April", 4)
   , ("Apr.", 4)
   , ("Mai", 5)
