From e85eee7838814ad178a841527199270e936efd72 Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Mon, 4 Jul 2022 09:58:26 +1000
Subject: Feature [feature-requests:#1442] Tighter checking of indices avoids
 handling out-of-bounds in lower layer. Make expressions agree in ApplyStep
 for clarity.

---
 src/Document.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/Document.cxx')

diff --git a/src/Document.cxx b/src/Document.cxx
index 54d14cda3..8e80502e0 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -348,7 +348,7 @@ Sci::Line Document::MarkerNext(Sci::Line lineStart, int mask) const noexcept {
 }
 
 int Document::AddMark(Sci::Line line, int markerNum) {
-	if (line >= 0 && line <= LinesTotal()) {
+	if (line >= 0 && line < LinesTotal()) {
 		const int prev = Markers()->AddMark(line, markerNum, LinesTotal());
 		const DocModification mh(ModificationFlags::ChangeMarker, LineStart(line), 0, 0, nullptr, line);
 		NotifyModified(mh);
@@ -359,7 +359,7 @@ int Document::AddMark(Sci::Line line, int markerNum) {
 }
 
 void Document::AddMarkSet(Sci::Line line, int valueSet) {
-	if (line < 0 || line > LinesTotal()) {
+	if (line < 0 || line >= LinesTotal()) {
 		return;
 	}
 	unsigned int m = valueSet;
-- 
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