From cb2097ed82c7aa23f555cb27a7e27a32863de09a Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Sun, 22 Dec 2019 20:08:42 +0000
Subject: Update dhall-lang submodule

---
 dhall-lang     |  2 +-
 dhall/build.rs | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/dhall-lang b/dhall-lang
index 0ee92af..89bbf42 160000
--- a/dhall-lang
+++ b/dhall-lang
@@ -1 +1 @@
-Subproject commit 0ee92af46a01a889c6d8d7c72926c959d034b19b
+Subproject commit 89bbf42f9fd3e9e09f0a15aac9a23d309e50b155
diff --git a/dhall/build.rs b/dhall/build.rs
index 2a65f24..7beaa9f 100644
--- a/dhall/build.rs
+++ b/dhall/build.rs
@@ -128,6 +128,8 @@ fn generate_tests() -> std::io::Result<()> {
                     || path == "unit/import/urls/emptyPath0"
                     || path == "unit/import/urls/emptyPath1"
                     || path == "unit/import/urls/emptyPathSegment"
+                    // TODO: https://github.com/dhall-lang/dhall-lang/pull/788#issuecomment-568298973
+                    || path == "preferMissingNoSpaces"
             }),
             input_type: FileType::Text,
             output_type: Some(FileType::Binary),
@@ -152,6 +154,8 @@ fn generate_tests() -> std::io::Result<()> {
                     || path == "unit/import/urls/emptyPath0"
                     || path == "unit/import/urls/emptyPath1"
                     || path == "unit/import/urls/emptyPathSegment"
+                    // TODO: https://github.com/dhall-lang/dhall-lang/pull/788#issuecomment-568298973
+                    || path == "preferMissingNoSpaces"
             }),
             input_type: FileType::Text,
             output_type: Some(FileType::Binary),
@@ -174,6 +178,8 @@ fn generate_tests() -> std::io::Result<()> {
                     || path == "unit/import/urls/emptyPath0"
                     || path == "unit/import/urls/emptyPath1"
                     || path == "unit/import/urls/emptyPathSegment"
+                    // TODO: https://github.com/dhall-lang/dhall-lang/pull/788#issuecomment-568298973
+                    || path == "preferMissingNoSpaces"
             }),
             input_type: FileType::Text,
             output_type: Some(FileType::Binary),
@@ -385,6 +391,7 @@ fn convert_abnf_to_pest() -> std::io::Result<()> {
 
     let mut data = read_to_string(abnf_path)?;
     data.push('\n');
+    let data = data.replace('∀', ""); // See https://github.com/duesee/abnf/issues/11
 
     let mut rules = abnf_to_pest::parse_abnf(&data)?;
     for line in BufReader::new(File::open(visibility_path)?).lines() {
@@ -401,6 +408,12 @@ fn convert_abnf_to_pest() -> std::io::Result<()> {
     rules.remove("url_path");
     writeln!(&mut file, "url_path = _{{ path }}")?;
 
+    rules.remove("missing");
+    writeln!(
+        &mut file,
+        r#"missing = {{ "missing" ~ !simple_label_next_char }}"#
+    )?;
+
     rules.remove("simple_label");
     writeln!(
         &mut file,
-- 
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