Licensing:OldFSFDocLicense

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

@ignore
Permission is granted to process this file through TeX and
print the results, provided the printed document carries
copying permission notice identical to this one except for
the removal of this paragraph (this paragraph not being
relevant to the printed manual).

@end ignore
Permission is granted to copy and distribute modified
versions of this manual under the conditions for verbatim
copying, 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 manual into another language, under the above
conditions for modified versions, except that this
permission notice may be stated in a translation approved
by the Free Software Foundation.