From f635f4807819b05b3f37858701c25bc0166a827d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Tue, 5 Nov 2019 13:56:52 +0100
Subject: [PATCH] vt: implement VT - Vertical Tab

Despite its name, it always moves down exactly one line.
---
 vt.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/vt.c b/vt.c
index ae5509f6..0c7f37c4 100644
--- a/vt.c
+++ b/vt.c
@@ -898,6 +898,11 @@ action(struct terminal *term, enum action _action, uint8_t c)
             break;
         }
 
+        case '\x0b':
+            /* VT - vertical tab */
+            term_cursor_down(term, 1);
+            break;
+
         case '\x0e':
             /* SO - shift out */
             term->selected_charset = 1; /* G1 */