File attachments 
Files can be attached to any topic. The action of attaching a file to a topic is similar to attaching a file to an e-mail - use the 
Attach link in the footer of any topic viewed with the default 
PatternSkin.
Features: 
-  Browse file to upload
-  "Link" checkbox - to inline images
-  "Hide file" checkbox
-  Version control
-  "manage" link to see older revisions and to change properties
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