From 0790e08f52a9606eaadc70c1f2825fc427d979ed Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karl=20Yngve=20Lerv=C3=A5g?= <karl.yngve@lervag.net>
Date: Mon, 22 Sep 2025 21:57:19 +0200
Subject: [PATCH] docs(diagnostics): allow list of strings for
 vim.diagnostic.Opts.border (#35863)

Type checkers complain if we pass a list of strings, but this should be allowed.
---
 runtime/doc/diagnostic.txt     | 2 +-
 runtime/lua/vim/diagnostic.lua | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/runtime/doc/diagnostic.txt b/runtime/doc/diagnostic.txt
index dd5340a4d9..ffe3340bbf 100644
--- a/runtime/doc/diagnostic.txt
+++ b/runtime/doc/diagnostic.txt
@@ -626,7 +626,7 @@ Lua module: vim.diagnostic                                    *diagnostic-api*
                           diagnostic instead of prepending it. Overrides the
                           setting from |vim.diagnostic.config()|.
       • {focus_id}?       (`string`)
-      • {border}?         (`string`) see |nvim_open_win()|.
+      • {border}?         (`string|string[]`) see |nvim_open_win()|.
 
 *vim.diagnostic.Opts.Jump*
 
diff --git a/runtime/lua/vim/diagnostic.lua b/runtime/lua/vim/diagnostic.lua
index 5a375ec267..e8805bc288 100644
--- a/runtime/lua/vim/diagnostic.lua
+++ b/runtime/lua/vim/diagnostic.lua
@@ -186,7 +186,7 @@ end
 ---
 --- @field focus_id? string
 ---
---- @field border? string see |nvim_open_win()|.
+--- @field border? string|string[] see |nvim_open_win()|.
 
 --- @class vim.diagnostic.Opts.Underline
 ---