From 69cc75177ff14bedf43b3c3ccb2e31a5fe3d8921 Mon Sep 17 00:00:00 2001
From: nyamatongwe <unknown>
Date: Sat, 27 Mar 2010 22:55:20 +0000
Subject: Display bad Unicode bytes with a leading 'x' so form feed is
 distinguished from \xff.

---
 src/Editor.cxx | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 03b06af23..c313e3928 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -2060,8 +2060,8 @@ void Editor::LayoutLine(int line, Surface *surface, ViewStyle &vstyle, LineLayou
 						}
 						lastSegItalics = false;
 					} else if (isBadUTF) {
-						char hexits[3];
-						sprintf(hexits, "%2X", ll->chars[charInLine] & 0xff);
+						char hexits[4];
+						sprintf(hexits, "x%2X", ll->chars[charInLine] & 0xff);
 						ll->positions[charInLine + 1] =
 						    surface->WidthText(ctrlCharsFont, hexits, istrlen(hexits)) + 3;
 					} else {	// Regular character
@@ -2829,8 +2829,9 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
 					        cc, 1, textBack, textFore);
 				}
 			} else if ((i == startseg) && (static_cast<unsigned char>(ll->chars[i]) >= 0x80) && IsUnicodeMode()) {
-				char hexits[3];
-				sprintf(hexits, "%2X", ll->chars[i] & 0xff);
+				// A single byte >= 0x80 in UTF-8 is a bad byte and is displayed as its hex value
+				char hexits[4];
+				sprintf(hexits, "x%2X", ll->chars[i] & 0xff);
 				DrawTextBlob(surface, vsDraw, rcSegment, hexits, textBack, textFore, twoPhaseDraw);
 			} else {
 				// Normal text display
-- 
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