This value MUST be included if the content has
not been tailored, and is sent in a representation which is the
only representaiton available in the server.
This method removes whitespaces in the profile-diff according to the
following two rules:
Leading and trailing white spaces are eliminated (white space as
defined in RFC 2616 section 2.2)
All non-trailing or non-leading linear white space (LWS) contained
in the profile description, including line folding of multiple HTTP
header lines, is replaced with one single space (SP) character.