From d09f53d8ec1dd7be1822c68df1061c747c16e5ec Mon Sep 17 00:00:00 2001
From: Folke Lemaitre <folke.lemaitre@gmail.com>
Date: Fri, 21 May 2021 09:06:00 +0200
Subject: [PATCH] fix(lsp): allow apply_text_edits and set_lines to insert text
 after the last line. Fixes #14017

---
 runtime/lua/vim/lsp/util.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/runtime/lua/vim/lsp/util.lua b/runtime/lua/vim/lsp/util.lua
index e403a8ee1b..417a3cdb88 100644
--- a/runtime/lua/vim/lsp/util.lua
+++ b/runtime/lua/vim/lsp/util.lua
@@ -73,7 +73,7 @@ function M.set_lines(lines, A, B, new_lines)
   -- way the LSP describes the range including the last newline is by
   -- specifying a line number after what we would call the last line.
   local i_n = math.min(B[1] + 1, #lines)
-  if not (i_0 >= 1 and i_0 <= #lines and i_n >= 1 and i_n <= #lines) then
+  if not (i_0 >= 1 and i_0 <= #lines + 1 and i_n >= 1 and i_n <= #lines) then
     error("Invalid range: "..vim.inspect{A = A; B = B; #lines, new_lines})
   end
   local prefix = ""