diff --git a/app/logical/diff_builder.rb b/app/logical/diff_builder.rb
index e3d7192ee..1d623261f 100644
--- a/app/logical/diff_builder.rb
+++ b/app/logical/diff_builder.rb
@@ -20,6 +20,14 @@ class DiffBuilder
output.each { |q| q.replace(escape_html[q]) }
diffs.reverse_each do |hunk|
+ old_cr = hunk[0].try(:old_element)
+ new_cr = hunk[1].try(:new_element)
+ if old_cr && new_cr && old_cr.match?(/^\r?\n$/) && new_cr.match?(/^\r?\n$/)
+ hunk_position = hunk[0].old_position
+ output[hunk_position] = '¶¶
'
+ next
+ end
+
newchange = hunk.max {|a, b| a.old_position <=> b.old_position}
newstart = newchange.old_position
oldstart = hunk.min {|a, b| a.old_position <=> b.old_position}.old_position