Permission is granted to make and distribute verbatim copies of this
standard provided the copyright and this permission notice are 
preserved on all copies.

Permission is granted to copy and distribute modified versions 
of this standard under the conditions for verbatim copying, provided 
also that the title page is labeled as modified including a reference to 
the original standard, provided that information on retrieving the original 
standard is included, and provided that the entire resulting derived work 
is distributed under the terms of a permission notice identical to this one.

Permission is granted to copy and distribute translations of this standard 
into another language, under the above conditions for modified versions, 
except that this permission notice may be stated in a translation approved 
by the copyright holder.