From 55f116124c1c5f1a14263e2e1e4e36b42c807901 Mon Sep 17 00:00:00 2001
From: Yorick Peterse <yorickpeterse@gmail.com>
Date: Fri, 21 Mar 2014 00:16:20 +0100
Subject: [PATCH] Fix for showing lines in parser errors.

---
 lib/oga/parser.y | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/lib/oga/parser.y b/lib/oga/parser.y
index 9c38f4c..1d18894 100644
--- a/lib/oga/parser.y
+++ b/lib/oga/parser.y
@@ -151,18 +151,17 @@ end
 
     # Show up to 5 lines before and after the offending line (if they exist).
     (-5..5).each do |offset|
-      line = @lines[index + offset]
-
-      if line
-        number = @line + offset
+      line   = @lines[index + offset]
+      number = @line + offset
 
+      if line and number > 0
         if offset == 0
           prefix = '=> '
         else
           prefix = '   '
         end
 
-        lines << "#{prefix}#{number}: #{line}"
+        lines << "#{prefix}#{number}: #{line.strip}\n"
       end
     end