From 9e4e5f0f6a9bbb25cca20296d411ad890ea3d6d3 Mon Sep 17 00:00:00 2001
From: Tab Atkins-Bittner <jackalmage@gmail.com>
Date: Mon, 28 Oct 2024 14:51:59 -0700
Subject: [PATCH] Allow an empty type arg

---
 bikeshed/shorthands/oldShorthands.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bikeshed/shorthands/oldShorthands.py b/bikeshed/shorthands/oldShorthands.py
index b6439f5cf2..d450400bf1 100644
--- a/bikeshed/shorthands/oldShorthands.py
+++ b/bikeshed/shorthands/oldShorthands.py
@@ -28,7 +28,7 @@ def transformProductionPlaceholders(doc: t.SpecT) -> None:
         r"""
         ^(?:(\S*)/)?
         (\S+)
-        \s*\[([^\]]+)\]\s*$
+        \s*\[([^\]]*)\]\s*$
         """,
         re.X,
     )