From 67d02799643a6b637a1b0f9f931479839f401681 Mon Sep 17 00:00:00 2001
From: Yuriy Gabuev <yugabuev@gmail.com>
Date: Tue, 1 Nov 2022 15:48:43 +0100
Subject: [PATCH] Fix `delete_char_backward` for paired characters (#4558)

When backward-deleting a character, if this character and the following
character form a Pair, we want to delete both. However, there is a bug
that deletes both characters also if both characters are closers of some
Pair.

This commit fixes that by adding an additional check that the deleted
character should be an opener in a Pair.

Closes https://github.com/helix-editor/helix/issues/4544.
---
 helix-term/src/commands.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index adb4802d8f456..3543943122788 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -3198,6 +3198,7 @@ pub mod insert {
                         (Some(_x), Some(_y), Some(ap))
                             if range.is_single_grapheme(text)
                                 && ap.get(_x).is_some()
+                                && ap.get(_x).unwrap().open == _x
                                 && ap.get(_x).unwrap().close == _y =>
                         // delete both autopaired characters
                         {