On 3 May, nick(_at_)old-mill(_dot_)net wrote:
description of the local-part, which post RFC 2047 can be expressed
in a range of alphabets. My expectation is that with the introduction
of IDNs, the display-name will have to begin describing the
domain-name as well. This leaves the question of non-ASCII local-parts
unaddressed. I'm not sure they need to be.
The local parts of the addresses definitely needs to support non
us-ascii characters. Consider the very common naming scheme
first_name(_dot_)last_name(_at_)company(_dot_)name(_dot_) There are a lot of
people out there
who have non us-ascii characters in their names.
/Martin Forssén