From 9b214cea896056e7d0a69ae9d3c282e1f027d5b9 Mon Sep 17 00:00:00 2001
From: Xusen Yin <yinxusen@gmail.com>
Date: Wed, 4 Nov 2015 08:36:55 -0800
Subject: [SPARK-11443] Reserve space lines

The trim_codeblock(lines) function in include_example.rb removes some blank lines in the code.

Author: Xusen Yin <yinxusen@gmail.com>

Closes #9400 from yinxusen/SPARK-11443.
---
 docs/_plugins/include_example.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'docs')

diff --git a/docs/_plugins/include_example.rb b/docs/_plugins/include_example.rb
index 0f4184c746..6ee63a5ac6 100644
--- a/docs/_plugins/include_example.rb
+++ b/docs/_plugins/include_example.rb
@@ -50,7 +50,7 @@ module Jekyll
         .map { |l| l[/\A */].size }
         .min
 
-      lines.map { |l| l[min_start_spaces .. -1] }
+      lines.map { |l| l.strip.size == 0 ? l : l[min_start_spaces .. -1] }
     end
 
     # Select lines according to labels in code. Currently we use "$example on$" and "$example off$"
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