From 3e8ead678b83009c342b31a6b91bbe9a2b553947 Mon Sep 17 00:00:00 2001
From: Cohyous <97346618+Cohyous@users.noreply.github.com>
Date: Wed, 24 Dec 2025 13:09:59 +0530
Subject: [PATCH] "Fix mdBook 0.5 playpen config (remove deprecated editor
 field)"

Removed the 'editor' field and added 'copyable' and 'runnable' fields in the output configuration.
---
 en/book.toml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/en/book.toml b/en/book.toml
index abe56952..d6161b8d 100644
--- a/en/book.toml
+++ b/en/book.toml
@@ -5,8 +5,10 @@ authors = ["sunface, https://im.dev"]
 language = "en"
 
 [output.html.playpen]
+# mdBook 0.5+ removed `editor`; use explicit flags instead
 editable = true
-editor = "ace"
+copyable = true
+runnable = true
 
 [output.html.fold]
 enable = true