From 727d20935984b659aaeb67fee811177bac06676d Mon Sep 17 00:00:00 2001

From: Egor Ignatov <egori@altlinux.org>

Date: Sat, 14 Aug 2021 17:32:24 +0300

Subject: [PATCH] Allow control characters in the bidi visual. Resolves: #60114

Signed-off-by: Egor Ignatov <egori@altlinux.org>

---

 grub-core/normal/charset.c | 3 +++

 1 file changed, 3 insertions(+)

diff --git a/grub-core/normal/charset.c b/grub-core/normal/charset.c

index 4dfcc3107..84efaa3c7 100644

--- a/grub-core/normal/charset.c

+++ b/grub-core/normal/charset.c

@@ -931,6 +931,9 @@ grub_bidi_line_logical_to_visual (const grub_uint32_t *logical,

 	    pop_stack ();

 	    break;

 	  case GRUB_BIDI_TYPE_BN:

+	    /* Workaround to fix backspace in gfxterm */

+	    if (visual[visual_len].base == '\b')

+	      visual_len++;

 	    break;

 	  case GRUB_BIDI_TYPE_R:

 	  case GRUB_BIDI_TYPE_AL:

-- 

2.32.0