anchor.diff:  Install puppet as a gem
   [source,dos]	
   > gem install puppet
  -
  -Test it
  -[source,dos]
  -> puppet --version
  -no such file to load -- win32/dir
  -
  -== Installing dependencies
  -
  -Some specific dependencies for Windows are needed for Puppet on Windows.
  -These dependencies are not installed automatically.
  -
  -Dependencies:
  -
  -* win32-dir
  -* win32-security
  -* win32-process
  -* jruby-win32ole
  -* win32-service
  -
  -[source,dos]
  -> gem install win32-dir win32-security win32-process jruby-win32ole win32-service
   
   Test it
   
  
positive.code: Test it
  
  [source,dos]
  interpolation_support.rb:43: warning: `-' after local variable or literal is int
  interpolation_support.rb:43: warning: even though it seems like unary operator
  interpolation_support.rb:84: warning: `+' after local variable or literal is int
  interpolation_support.rb:84: warning: even though it seems like unary operator
  interpolation_support.rb:84: warning: `-' after local variable or literal is int
  [...]
  4.10.0
  
  It works! But with some warnings...
  
  == Remove warnings ==
  
  You can remove warnings with launching ruby with verbose level to *0*.
  
  
negative.code: 
  == Introduction
  
  https://nnn-dev.github.io/2017/10/27/Using-J-Rby-on-Windows.html[In my previous post], I have installed JRuby on Windows.
  I want to use it to test puppet without installed it.
  
  == Installing Puppet
  