Suppresses the writing, to the standard output, of a copy of the parent element.
This is a top-level attribute. Its purpose is to suppress, from your output, the top-level element of your script.
As the examples show, in practice, this attribute is used for the document node (the top-level node) of the USoft Blend script. In the typical usage of USoft Blend, if you do not pass pc:hideme="true", this document node is the only node that is copied to the output by default.