_notice.slim

- if @article.deprecated?
  p#deprecated.alert
    em This article is deprecated.
    ' I've marked this article as deprecated.
    ' It is either because the gem or plugin discussed in this article is no longer maintained, or I've changed my opinion on it.
    ' This article is here only as an historic reference.
- if @article.old?
  p#old.notice
    em This article is quite old.
    ' Time flies when you're having fun.
    ' I've been writing for my blog for a long time.
    ' Stuff changes fast, especially in the Ruby world.
    ' That's why I've put this warning on old posts.
    ' The article might still be valid, though.