From 25515d707ae57d92a72bab1a71d4f91f3f374b5c Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Sat, 17 Dec 2022 10:31:42 +0100
Subject: [PATCH] [xterm] If TERM environment variable starts with "xterm",
 then it is xterm.

For ssh sessions.
---
 src/osdep/osdep.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/osdep/osdep.c b/src/osdep/osdep.c
index e8fd5b9e..102f46c9 100644
--- a/src/osdep/osdep.c
+++ b/src/osdep/osdep.c
@@ -349,9 +349,16 @@ is_xterm(void)
 		 * In general, proper xterm detection is a nightmarish task...
 		 *
 		 * -- Adam Borowski <kilobyte@mimuw.edu.pl> */
-		char *display = getenv("DISPLAY");
 
-		xt = (display && *display && check_more_envs());
+		char *term = getenv("TERM");
+
+		if (term && !strncmp("xterm", term, 5)) {
+			xt = 1;
+		} else {
+			char *display = getenv("DISPLAY");
+
+			xt = (display && *display && check_more_envs());
+		}
 	}
 
 	return xt;