From 078763b80c610218a8d9a27b8a2c645272bffa7e Mon Sep 17 00:00:00 2001
From: Thiago Auler <thiagoauler@users.noreply.github.com>
Date: Tue, 28 Nov 2017 10:03:17 -0200
Subject: [PATCH] doesnt output backspace character (invalid to print)

---
 src/interface.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/interface.c b/src/interface.c
index 5db127b..4db10b6 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -43,7 +43,10 @@ void output()
         {
             display_buffer = '\n';
         }
-        addch(display_buffer);
-        refresh();
+        if (display_buffer != 0x7F)
+        {
+            addch(display_buffer);
+            refresh();
+        }
     }
 }