Integrate perlio:
Jarkko Hietaniemi [Mon, 26 Feb 2001 13:35:40 +0000 (13:35 +0000)]
[  8938]
Encode implementations docs.

p4raw-link: @8938 on //depot/perlio: 4edaa979293b3e482a715be9ab66acf7eb848c46

p4raw-id: //depot/perl@8940


Trivial merge