From 9df6dc2aeb37682a2ef1906e04b9e0436e63a6ba Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Wed, 15 May 2024 14:59:13 +0200
Subject: Fix uses of isupper() and isprint() - STR #3436

---
 src/Fl_Text_Editor.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/Fl_Text_Editor.cxx')

diff --git a/src/Fl_Text_Editor.cxx b/src/Fl_Text_Editor.cxx
index 5e8f2c583..55da11cb8 100644
--- a/src/Fl_Text_Editor.cxx
+++ b/src/Fl_Text_Editor.cxx
@@ -233,7 +233,7 @@ static void kill_selection(Fl_Text_Editor* e) {
 */
 int Fl_Text_Editor::kf_default(int c, Fl_Text_Editor* e) {
   // FIXME: this function is a mess! Fix this!
-  if (!c || (!isprint(c) && c != '\t')) return 0;
+  if (!c || (!(c > 0 && c < 127 && isprint(c)) && c != '\t')) return 0;
   char s[2] = "\0";
   s[0] = (char)c;
   kill_selection(e);
-- 
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