From 235b1f038581f0642d649d4874a8992f00b99919 Mon Sep 17 00:00:00 2001
From: Guldoman <giulio.lettieri@gmail.com>
Date: Mon, 30 Aug 2021 17:40:08 +0200
Subject: [PATCH] Avoid recreating `line_numbers` table when a recalc is needed

---
 data/core/doc/init.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/data/core/doc/init.lua b/data/core/doc/init.lua
index cdf15d82..65d2665c 100644
--- a/data/core/doc/init.lua
+++ b/data/core/doc/init.lua
@@ -575,6 +575,7 @@ function Doc:indent_text(unindent, line1, col1, line2, col2)
   return line1, col1 + #text, line1, col1 + #text
 end
 
+
 function Doc:update_max_line_len_range(start_line, end_line)
   local line_numbers = self.long_lines.line_numbers
   local max_length = self.long_lines.length
@@ -595,7 +596,7 @@ function Doc:update_max_line_len_range(start_line, end_line)
   if not next(line_numbers) then
     -- Recalc needed
     self.long_lines.length = 0
-    self.long_lines.line_numbers = { }
+    self.long_lines.line_numbers = line_numbers
     return self:update_max_line_len_range(1, #self.lines)
   end