ISSUE-152: Last Call Comment: Prefix for extension labels

ISSUE-152: Last Call Comment: Prefix for extension labels 

http://www.w3.org/2006/07/SWD/track/issues/152

Raised by: Alistair Miles
On product: SKOS

Raised by Erik Hennum in [1]:

"""
While namespace prefixes are completely arbitrary in principle, in practice
conventional namespaces prefixes are useful for reinforcing understanding.
Should the conventional namespace prefix for the extension labels
incorporate the "skos" name as a reminder of the association as in "skosl"
or "skosxl"?
"""

[1] http://lists.w3.org/Archives/Public/public-swd-wg/2008Jun/0103.html