From 596a374c6ec080fbd667e1686729ed9173a725cb Mon Sep 17 00:00:00 2001
From: w0rp <devw0rp@gmail.com>
Date: Thu, 6 Oct 2016 13:01:33 +0100
Subject: Skip setting of signs at line 0 and so on, to avoid any issues there.

---
 plugin/ale/sign.vim | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'plugin')

diff --git a/plugin/ale/sign.vim b/plugin/ale/sign.vim
index 3bf5552c..5950ae99 100644
--- a/plugin/ale/sign.vim
+++ b/plugin/ale/sign.vim
@@ -1,3 +1,4 @@
+scriptencoding utf-8
 " Author: w0rp <devw0rp@gmail.com>
 " Description: Draws error and warning signs into signcolumn
 
@@ -71,6 +72,11 @@ function! ale#sign#CombineSigns(loclist)
     for obj in a:loclist
         let should_append = 1
 
+        if obj.lnum < 1
+            " Skip warnings and errors at line 0, etc.
+            continue
+        endif
+
         if len(signlist) > 0 && signlist[-1].lnum == obj.lnum
             " We can't add the same line twice, because signs must be
             " unique per line.
-- 
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