updated for version 7.3.811
Problem:    Useless termresponse parsing for SGR mouse.
Solution:   Skip the parsing. (Hayaki Saito)
diff --git a/src/term.c b/src/term.c
index 2c0d35a..a566132 100644
--- a/src/term.c
+++ b/src/term.c
@@ -4045,8 +4045,7 @@
 #ifdef FEAT_TERMRESPONSE
 	if (key_name[0] == NUL
 	    /* URXVT mouse uses <ESC>[#;#;#M, but we are matching <ESC>[ */
-	    || key_name[0] == KS_URXVT_MOUSE
-	    || key_name[0] == KS_SGR_MOUSE)
+	    || key_name[0] == KS_URXVT_MOUSE)
 	{
 	    /* Check for xterm version string: "<Esc>[>{x};{vers};{y}c".  Also
 	     * eat other possible responses to t_RV, rxvt returns