From fd4a093a4e9319fa1dc6603ea4ba5a5703ef5009 Mon Sep 17 00:00:00 2001
From: Alona Enraght-Moony <code@alona.page>
Date: Sun, 20 Apr 2025 11:34:49 +0000
Subject: [PATCH] jsondocck: Require command is at start of line

---
 src/tools/jsondocck/src/main.rs             | 1 +
 tests/rustdoc-json/fns/return_type_alias.rs | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tools/jsondocck/src/main.rs b/src/tools/jsondocck/src/main.rs
index 79e419884c6..65ad38da98b 100644
--- a/src/tools/jsondocck/src/main.rs
+++ b/src/tools/jsondocck/src/main.rs
@@ -154,6 +154,7 @@ impl CommandKind {
 static LINE_PATTERN: LazyLock<Regex> = LazyLock::new(|| {
     RegexBuilder::new(
         r#"
+        ^\s*
         //@\s+
         (?P<negated>!?)
         (?P<cmd>[A-Za-z0-9]+(?:-[A-Za-z0-9]+)*)
diff --git a/tests/rustdoc-json/fns/return_type_alias.rs b/tests/rustdoc-json/fns/return_type_alias.rs
index 0aa1db47b7f..c39abc75894 100644
--- a/tests/rustdoc-json/fns/return_type_alias.rs
+++ b/tests/rustdoc-json/fns/return_type_alias.rs
@@ -1,6 +1,6 @@
 // Regression test for <https://github.com/rust-lang/rust/issues/104851>
 
-///@ set foo = "$.index[?(@.name=='Foo')].id"
+//@ set foo = "$.index[?(@.name=='Foo')].id"
 pub type Foo = i32;
 
 //@ is "$.index[?(@.name=='demo')].inner.function.sig.output.resolved_path.id" $foo