link_to_online_documents

See online documents.
 code: <https://github.com/suchowan/when_exe> (Please see README.md)
 demo: <http://hosi.org> (Preferences - <http://hosi.org/cookies>)
 gems: <https://rubygems.org/gems/when_exe>
 yard: <https://rubydoc.info/gems/when_exe/frames> or <http://www2u.biglobe.ne.jp/~suchowan/when_exe/frames.html>
 wiki: <http://www2u.biglobe.ne.jp/~suchowan/when_exe_wiki.html>(Japanese and machine translated English)
 blog: <https://suchowan.at.webry.info/theme/a543700674.html> (Japanese)
 dict: <http://www2u.biglobe.ne.jp/~suchowan/ResourceDictionary.html> (Japanese)