From 50ef80a6b329231d4ee226d43eff731ceed0b4ff Mon Sep 17 00:00:00 2001
From: Brian Ward <bward@flatironinstitute.org>
Date: Mon, 23 Sep 2024 11:11:09 -0400
Subject: [PATCH 1/2] Add regression test for unicode in comment lines

---
 test/integration/good/comments.stan | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/integration/good/comments.stan b/test/integration/good/comments.stan
index ce3947a9d2..945c74cc44 100644
--- a/test/integration/good/comments.stan
+++ b/test/integration/good/comments.stan
@@ -23,3 +23,11 @@ transformed data {
       array[N/*test1*/ , //test1.5
     N/*test2*/] real arr;
 }
+
+model {
+  // unicode in comments
+  // Љ😃
+  /*
+  λ β ζ π
+  //*/
+}

From c44dddb0dcf3936c3aa3b0372e7662431a82c71b Mon Sep 17 00:00:00 2001
From: Brian Ward <bward@flatironinstitute.org>
Date: Mon, 23 Sep 2024 11:13:15 -0400
Subject: [PATCH 2/2] dune promote

---
 test/integration/good/pretty.expected | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/integration/good/pretty.expected b/test/integration/good/pretty.expected
index b46b537b44..56116088b3 100644
--- a/test/integration/good/pretty.expected
+++ b/test/integration/good/pretty.expected
@@ -1359,6 +1359,13 @@ transformed data {
   
   /* ^^^:test2*/
 }
+model {
+  // unicode in comments
+  // Љ😃
+  /*
+  λ β ζ π
+  //*/
+}
 
   $ ../../../../install/default/bin/stanc --auto-format conditional_condition_good.stan
 parameters {