From f4c99fb11f33977c5c5068f2b2f56835b082ff42 Mon Sep 17 00:00:00 2001
From: AmaiKinono <amaikinono@gmail.com>
Date: Tue, 8 Oct 2024 00:03:02 +0800
Subject: [PATCH] doc: add a comment

---
 puni.el | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/puni.el b/puni.el
index bb01eb6..388a4ae 100644
--- a/puni.el
+++ b/puni.el
@@ -1587,6 +1587,8 @@ This respects the variable `delete-active-region'."
       (if (< n 0) (puni-forward-delete-char (- n))
         (dotimes (_ n)
           (or
+           ;; This branch will throw an error at the beginning of the buffer
+           ;; (by `backward-char'), so we don't have to check it later.
            (puni-soft-delete-by-move #'backward-char)
            ;; Try to delete a dangling delimiter.  We want to handle this
            ;; before the empty sexp case (see below), since if there's a