From 1174ecf6decf3c0dea9ef2348bcb91980e3f7b29 Mon Sep 17 00:00:00 2001
From: nyamatongwe <devnull@localhost>
Date: Sun, 3 Aug 2008 08:19:03 +0000
Subject: For bug #2030324 codument that HideLines can not hide line 0 and stop
 this from causing crash in code.

---
 src/Editor.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 95664e2b1..c72fc96d0 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -7027,7 +7027,8 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 		break;
 
 	case SCI_HIDELINES:
-		cs.SetVisible(wParam, lParam, false);
+		if (wParam > 0)
+			cs.SetVisible(wParam, lParam, false);
 		SetScrollBars();
 		Redraw();
 		break;
-- 
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