njh/easyrdf — pull request #117 by scor (2013-01-22 17:41:49+00:00)
Title: Passing $context by reference is not necessary in expandCurie(), processUri(), getUriAttribute() and processNode()

expandCurie(), processUri(), getUriAttribute() don't alter $context. processNode() does alter $context, but a new variable $newContext is created and passed to the nested processNode().