releasing version 4.0 of the doc theme. Major overhaul to the theme. Now it supports multiple doc projects within the same project. The intent is to replicate CCMS behavior so that an entire team can work off of the same project, each operating somewhat independently or not on various subprojects.

mydoc/mydoc_collections.md

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+---
+title:  Collections
+tags: [content-types]
+keywords: groups, api, structure
+last_updated: November 30, 2015
+summary: "Collections are useful if you want to loop through a special folder of pages that you make available in a content API. You could also use collections if you have a set of articles that you want to treat differently from the other content, with a different layout or format."
+---
+
+
+## What are collections
+Collections are custom content types different from pages and posts. You might create a collection if you want to treat a specific set of articles in a unique way, such as with a custom layout or listing. For more detail on collections, see [Ben Balter's explanation of collections here](http://ben.balter.com/2015/02/20/jekyll-collections/).
+
+## Create a collection
+To create a collection, add the following in your configuration file:
+
+```
+collections:
+  tooltips:
+    output: true
+```
+
+In this example, "tooltips"" is the name of the collection.
+
+## Interacting with collections
+
+You can interact with collections by using the `site.collectionname` namespace, where `collectionname` is what you've configured. In this case, if I wanted to loop through all tooltips, I would use `site.tooltips` instead of `site.pages` or `site.posts`.
+
+See [Collections in the Jekyll documentation](http://jekyllrb.com/docs/collections/) for more information.
+
+## How to use collections
+
+I haven't found a huge use for collections in normal documentation. However, I did find a use for collections in generating a tooltip file that would be used for delivering tooltips to a user interface from text files in the documentation. See {{site.data.mydoc.mydoc_urls.mydoc_help_api.link}} for details.