From 377f1b7ad3176d12ae274ca9f3b26f7b764493c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Fri, 2 Oct 2020 21:40:30 +0200
Subject: [PATCH] =?UTF-8?q?vt:=20BS:=20*only*=20reset=20lcf=20if=20cursor?=
 =?UTF-8?q?=20is=20beyond=20right=20margin:=20don=E2=80=99t=20move=20curso?=
 =?UTF-8?q?r?=
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This is needed to make reverse auto-wrap work correctly. Without it,
we’ll end up moving the cursor left one cell extra.
---
 vt.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/vt.c b/vt.c
index 6b6bbd0b..6cd5ead7 100644
--- a/vt.c
+++ b/vt.c
@@ -130,7 +130,10 @@ action_execute(struct terminal *term, uint8_t c)
 
     case '\b':
         /* backspace */
-        term_cursor_left(term, 1);
+        if (term->grid->cursor.lcf)
+            term->grid->cursor.lcf = false;
+        else
+            term_cursor_left(term, 1);
         break;
 
     case '\t': {