From ccab210fb5c6291eca8fb496bad3b521269b1216 Mon Sep 17 00:00:00 2001
From: Paulb23 <p_batty@hotmail.co.uk>
Date: Tue, 14 Jul 2020 13:21:53 +0100
Subject: Fixed visual shader editor not clearing colour regions

---
 editor/plugins/visual_shader_editor_plugin.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/editor/plugins/visual_shader_editor_plugin.cpp b/editor/plugins/visual_shader_editor_plugin.cpp
index ea6c5edcef..d987f6f7c0 100644
--- a/editor/plugins/visual_shader_editor_plugin.cpp
+++ b/editor/plugins/visual_shader_editor_plugin.cpp
@@ -1711,6 +1711,7 @@ void VisualShaderEditor::_notification(int p_what) {
 			preview_text->add_theme_font_override("font", get_theme_font("expression", "EditorFonts"));
 			preview_text->add_theme_color_override("font_color", text_color);
 			syntax_highlighter->set_symbol_color(symbol_color);
+			syntax_highlighter->clear_color_regions();
 			syntax_highlighter->add_color_region("/*", "*/", comment_color, false);
 			syntax_highlighter->add_color_region("//", "", comment_color, false);
 
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