From 9692e491ac4268071f246c822eb217a1820a54cd Mon Sep 17 00:00:00 2001
From: Jason Felice <jason.m.felice@gmail.com>
Date: Sat, 2 Nov 2019 17:44:32 -0400
Subject: [PATCH] Fix bad comparison when parsing OSI sequences

---
 src/ncurses_ui.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ncurses_ui.cc b/src/ncurses_ui.cc
index 15417ff2..d5191eb8 100644
--- a/src/ncurses_ui.cc
+++ b/src/ncurses_ui.cc
@@ -638,7 +638,7 @@ Optional<Key> NCursesUI::get_next_key()
         }
         for (int count = 0; count < 16 and c >= 0x30 && c <= 0x3f; c = next_char())
         {
-            if ('0' <= 'c' and c <= '9')
+            if (isdigit(c))
                 params[count] = params[count] * 10 + c - '0';
             else if (c == ';')
                 ++count;