Add letrec and letnonrec as keywords to pret-lam.

diff --git a/pret-lam.lua b/pret-lam.lua
index 98244b0f421c5fe421ccb0578fec2ff1764d8612..7058f620f01d5a8f2298418e9842f1137e86210b 100644 (file)
--- a/pret-lam.lua
+++ b/pret-lam.lua
@@ -32,6 +32,8 @@ local keywords = {
     ['case'] = {},
     ['of'] = {},
     ['let'] = {},
+    ['letrec'] = {},
+    ['letnonrec'] = {},
     ['in'] = {},
 }