Rubocop: Style/TrailingWhitespace

- Trailing whitespace detected
Rubocop: Style/EmptyLines
 - Extra blank line detected
Rubocop: Style/EmptyLinesAroundBlockBody
 - Extra empty line detected at block body beginning

lib/jekyll/tags/post_url.rb

@@ -66,7 +66,6 @@ eos
         # New matching method did not match, fall back to old method
         # with deprecation warning if this matches
 
-
         site.posts.docs.each do |p|
           next unless @post.deprecated_equality p
           Jekyll::Deprecator.deprecation_message "A call to '{{ post_url #{@post.name} }}' did not match " \

lib/jekyll/utils/ansi.rb

@@ -33,7 +33,7 @@ module Jekyll
       def has?(str)
         !!(str =~ MATCH)
       end
-      
+
       # Reset the color back to the default color so that you do not leak any
       # colors when you move onto the next line. This is probably normally
       # used as part of a wrapper so that we don't leak colors.

lib/jekyll/utils/platforms.rb

@@ -19,7 +19,6 @@ module Jekyll
 
       { :windows? => /mswin|mingw|cygwin/, :linux? => /linux/, \
           :osx? => /darwin|mac os/, :unix? => /solaris|bsd/ }.each do |k, v|
-
         define_method k do
           !!(
             RbConfig::CONFIG["host_os"] =~ v