From 75816e7750892516273daf32a9b3db1f82c86b1d Mon Sep 17 00:00:00 2001
From: "G.K.MacGregor" <gkthemac@gmail.com>
Date: Thu, 22 Sep 2022 21:28:29 +0100
Subject: [PATCH] Fix reserved data detection in DRCS character triplet

---
 x26triplets.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/x26triplets.cpp b/x26triplets.cpp
index c473ac3..7493632 100644
--- a/x26triplets.cpp
+++ b/x26triplets.cpp
@@ -174,8 +174,8 @@ void X26TripletList::updateInternalData()
 						triplet->m_reservedData = true;
 					break;
 				case 0x2d: // DRCS character
-					if (triplet->m_data >= 48)
-						// Should really be an error
+					if ((triplet->m_data & 0x3f) >= 48)
+						// Should really be an error?
 						triplet->m_reservedData = true;
 			}