applies new string literal convention in guides

The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.

1 files changed, 4 insertions, 4 deletions

diff --git a/guides/Rakefile b/guides/Rakefile
index 00577377d7..ced8131f82 100644
--- a/guides/Rakefile
+++ b/guides/Rakefile
@@ -1,7 +1,7 @@
 namespace :guides do
 
   desc 'Generate guides (for authors), use ONLY=foo to process just "foo.md"'
-  task :generate => 'generate:html'
+  task :generate => "generate:html"
 
   namespace :generate do
 
@@ -19,8 +19,8 @@ namespace :guides do
       unless `convert` =~ /convert/  
         abort "Please install ImageMagick`"
       end
-      ENV['KINDLE'] = '1'
-      Rake::Task['guides:generate:html'].invoke
+      ENV["KINDLE"] = "1"
+      Rake::Task["guides:generate:html"].invoke
     end
   end
 
@@ -76,4 +76,4 @@ Examples:
   end
 end
 
-task :default => 'guides:help'
+task :default => "guides:help"