From 7568c3f71cfaba4dabefcb8cd7bec6f654455bfe Mon Sep 17 00:00:00 2001
From: Oliver <480930+rivo@users.noreply.github.com>
Date: Sat, 20 Jan 2024 10:50:12 +0100
Subject: [PATCH] Fixed disappearing highlights. Fixes #941

---
 textview.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/textview.go b/textview.go
index 682f139..8524ee5 100644
--- a/textview.go
+++ b/textview.go
@@ -1048,17 +1048,15 @@ func (t *TextView) Draw(screen tcell.Screen) {
 	// Scroll to highlighted regions.
 	if t.regionTags && t.scrollToHighlights {
 		// Make sure we know all highlighted regions.
-		knownHighlights := make(map[string]struct{})
 		t.parseAhead(width, func(lineNumber int, line *textViewLine) bool {
 			for regionID := range t.highlights {
 				if _, ok := t.regions[regionID]; !ok {
 					return false
 				}
-				knownHighlights[regionID] = struct{}{}
+				t.highlights[regionID] = struct{}{}
 			}
 			return true
 		})
-		t.highlights = knownHighlights
 
 		// What is the line range for all highlighted regions?
 		var (