From 826a5662159e76408ad859d78ed93a6c9001acae Mon Sep 17 00:00:00 2001
From: Fredrik Ekre <ekrefredrik@gmail.com>
Date: Mon, 8 Jul 2024 17:30:33 +0200
Subject: [PATCH] Fix empty functions with Unicode symbol names

---
 src/runestone.jl | 4 +++-
 test/runtests.jl | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/runestone.jl b/src/runestone.jl
index b65b429..b6a4baa 100644
--- a/src/runestone.jl
+++ b/src/runestone.jl
@@ -1348,7 +1348,9 @@ function indent_function_or_macro(ctx::Context, node::Node)
         @assert is_longform_anon_function(node)
     end
     sig_node = kids[sig_idx]
-    if kind(sig_node) === K"Identifier"
+    # Identifier for regular names but "not function call" for empty functions with Unicode
+    # symbols??
+    if kind(sig_node) === K"Identifier" || !(kind(sig_node) in KSet"call where :: tuple")
         # Empty function definition like `function f end`.
         # TODO: Make sure the spaces around are correct
         end_idx = findnext(x -> kind(x) === K"end", kids, sig_idx + 1)::Int
diff --git a/test/runtests.jl b/test/runtests.jl
index c338130..7b69d4b 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -464,6 +464,7 @@ end
         @test format_string("function f()\n$(sp)x\n$(sp)end") ==
             "function f()\n    x\nend"
         @test format_string("function f end") == "function f end"
+        @test format_string("function ∉ end") == "function ∉ end"
         # macro-end
         @test format_string("macro f()\n$(sp)x\n$(sp)end") ==
             "macro f()\n    x\nend"