From 521ef7054806424c97dac5ee71b3a05ed5b9d7f4 Mon Sep 17 00:00:00 2001
From: Neil Hodgson <nyamatongwe@gmail.com>
Date: Mon, 21 May 2018 15:15:34 +1000
Subject: Draw invalid bytes in DBCS when detected as blobs in a similar way to
 UTF-8.

---
 src/Editor.cxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/Editor.cxx')

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 9aba5ccd2..04d61bea6 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -242,6 +242,17 @@ void Editor::SetRepresentations() {
 			sprintf(hexits, "x%2X", k);
 			reprs.SetRepresentation(hiByte, hexits);
 		}
+	} else if (pdoc->dbcsCodePage) {
+		// DBCS invalid single lead bytes
+		for (int k = 0x80; k < 0x100; k++) {
+			char ch = static_cast<char>(k);
+			if (pdoc->IsDBCSLeadByteNoExcept(ch)  || pdoc->IsDBCSLeadByteInvalid(ch)) {
+				const char hiByte[2] = { ch, 0 };
+				char hexits[5];	// Really only needs 4 but that causes warning from gcc 7.1
+				sprintf(hexits, "x%2X", k);
+				reprs.SetRepresentation(hiByte, hexits);
+			}
+		}
 	}
 }
 
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