Built-in namespace identifiers for sources/targets

Descriptions are taken from the Namespaces class.

Namespace Description
http://www.uniba.sk/euromath/holder/jpeg Denotes a JPG image format transmitted as a Stream.
http://www.uniba.sk/euromath/holder/png Denotes a PNG image format transmitted as a Stream.
http://www.uniba.sk/euromath/holder/gif Denotes a GIF image format transmitted as a Stream.
http://www.uniba.sk/euromath/holder/latex Denotes a LaTeX file transmitted as a Stream, in UTF-8 encoding.
http://www.uniba.sk/euromath/holder/eps Denotes an EPS file transmitted as a Stream, in UTF-8 encoding.
http://www.uniba.sk/euromath/holder/image Denotes a object holder that holds Graphics object - ImageRef instance. If the consumer wants to provide specific instances of images then it may do so by returning instance of ImageRefFactory object.