embedding existing audio

embedding existing audio creates a duplicate file in the ‘audiofiles’ folder of the current session. [2.0beta12]
is this a bug in my build, or is this normal?
[yes, i am using the ‘embed’ not ‘import’ button]

It is normal. If the embedded file is on the same filesystem Ardour creates a “hard link” of the file in the session audiofiles folder.

A hard link is a feature available on almost all filesystems. http://en.wikipedia.org/wiki/Hard_link