Twin directories of doc-rfc-std:

[DIR]3  doc-rfc-std_20030621-1_all.deb/usr/share/doc/doc-rfc-std/
[DIR]3  doc-rfc-std_20030621-2_all.deb/usr/share/doc/doc-rfc-std/

[DIR]3  doc-rfc-std_20030621-2_all.deb/usr/share/doc/doc-rfc-std/
[DIR]3  doc-rfc_20030621-1_all.deb/usr/share/doc/doc-rfc-std/