At 10.00 -0800 02-02-21, Jeff Stephenson wrote:
(1) There's only one place to look to see header fields.
(2) When a temporary/proprietary field moves to standardized, the
maintainers of the registry need only change a status field rather than
move the entry between registries.
Also, two separate registries introduces the risk of the
same header name occuring by mistake in both registries.
--
Jacob Palme <jpalme(_at_)dsv(_dot_)su(_dot_)se> (Stockholm University and KTH)
for more info see URL: http://www.dsv.su.se/jpalme/