Copyright (C) 1994-2001 Daniel Quinlan

Copyright (C) 2001 Paul `Rusty' Russell

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
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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
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