From 0e07c9cd012efaeae7e1c50a3499a13aef4d2b61 Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Thu, 20 Feb 2020 18:54:58 +0000
Subject: Disallow Natural literals with leading zeros

---
 README.md                                                 | 1 +
 dhall-lang                                                | 2 +-
 dhall/tests/parser/failure/unit/NaturalLitLeadingZero.txt | 6 ++++++
 3 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 dhall/tests/parser/failure/unit/NaturalLitLeadingZero.txt

diff --git a/README.md b/README.md
index a46859e..34878f4 100644
--- a/README.md
+++ b/README.md
@@ -161,6 +161,7 @@ same name as the corresponding test.
 
 [???]
 
+- Disallow Natural literals with leading zeros
 - Add support for duplicate record fields
 - Update to supporting dhall v13.0.0
 
diff --git a/dhall-lang b/dhall-lang
index 3301f2e..a1f2dc0 160000
--- a/dhall-lang
+++ b/dhall-lang
@@ -1 +1 @@
-Subproject commit 3301f2e2a408d9e3953185c51c1a07c668db47b7
+Subproject commit a1f2dc019907ec001f28abbd05ca397bddb0975d
diff --git a/dhall/tests/parser/failure/unit/NaturalLitLeadingZero.txt b/dhall/tests/parser/failure/unit/NaturalLitLeadingZero.txt
new file mode 100644
index 0000000..07d9b5c
--- /dev/null
+++ b/dhall/tests/parser/failure/unit/NaturalLitLeadingZero.txt
@@ -0,0 +1,6 @@
+ --> 1:2
+  |
+1 | 042␊
+  |  ^---
+  |
+  = expected EOI, import_alt, bool_or, natural_plus, text_append, list_append, bool_and, natural_times, bool_eq, bool_ne, combine, combine_types, equivalent, prefer, or arrow
-- 
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