Display contributors on three columns

Author: jnavila

Rakefile

@@ -3,7 +3,7 @@ namespace :book do
   task :build do
 
     puts "Generating contributors list"
-    `git shortlog -s --all| grep -v -E "(Straub|Chacon)" | cut -f 2- > book/contributors.txt`
+    `git shortlog -s --all| grep -v -E "(Straub|Chacon)" | cut -f 2- | column -c 120 > book/contributors.txt`
 
     puts "Converting to HTML..."
     `bundle exec asciidoctor progit.asc`

book/contributors.asc

@@ -3,7 +3,7 @@
 
 Since this is an Open Source book, we have gotten several errata and content changes donated over the years. Here are all the people who have contributed to the English version of Pro Git as an open source project. Thank you everyone for helping make this a better book for everyone.
 
-[source]
+[source,tabsize=8]
 ----
 include::contributors.txt[]
 ----