From d97a61b9ef9ae304d2c4cb53d872c00c3ce78090 Mon Sep 17 00:00:00 2001
From: Jan Sundermeyer <sunderme@gmx.de>
Date: Sun, 12 Nov 2023 18:18:22 +0100
Subject: [PATCH] fix undoing line removal (clear lexing states of inserted
 lines)

---
 src/qcodeedit/lib/document/qdocument.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/qcodeedit/lib/document/qdocument.cpp b/src/qcodeedit/lib/document/qdocument.cpp
index 7a2398295e..81b1e12f6d 100644
--- a/src/qcodeedit/lib/document/qdocument.cpp
+++ b/src/qcodeedit/lib/document/qdocument.cpp
@@ -7654,6 +7654,7 @@ void QDocumentPrivate::insertLines(int after, const QList<QDocumentLineHandle*>&
 		h->setFlag(QDocumentLine::CollapsedBlockStart, false);
 		h->setFlag(QDocumentLine::CollapsedBlockEnd, false);
 		h->m_frontiers.clear();
+        h->m_state&=31; // reset lexing states
 	}
 
 	QMap<int, int>::iterator it = m_hidden.begin();