sort-debug-keys.log ( failed)

test link: tests/sort/sort-debug-keys.sh
FAIL: tests/sort/sort-debug-keys
================================

--- exp	2025-03-24 10:21:56.982963388 +0000
+++ out	2025-03-24 10:21:57.059963591 +0000
@@ -209,7 +209,7 @@
 2b
 _
 >a
- _
+  _
 A>chr10
      ^ no match for key
 B>chr1
FAIL tests/sort/sort-debug-keys.sh (exit status: 1)