From a380f65d52428c0da4e5cc81cb166fa94590c81a Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fl.fischer@fau.de>
Date: Sat, 20 Mar 2021 11:51:04 +0100
Subject: lspc_get_usable_ls return error if no syntax is provided

---
 init.lua | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'init.lua')

diff --git a/init.lua b/init.lua
index d30eab7..545e424 100644
--- a/init.lua
+++ b/init.lua
@@ -658,6 +658,10 @@ end
 
 -- check if a language server is running and initialized
 local function lspc_get_usable_ls(syntax)
+  if not syntax then
+    return nil, 'No syntax provided'
+  end
+
   local ls_name, err = get_ls_name_for_syntax(syntax)
   if err then
     return nil, err
-- 
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