plone/plone.app.multilingual — pull request #78 by saily (2013-08-26 08:47:45+00:00)
Title: Add alternate language viewlet

Many websites serve users from around the world, with content that's translated, or targeted to users in a certain region. The rel="alternate" hreflang="x" annotations help Google serve the correct language or regional URL to searchers. Read more information about multi-regional and multilingual sites here: https://support.google.com/webmasters/answer/189077

This viewlet will render following code into your IHtmlHead viewlet manager:
```xml

...
```