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An interesting problem came up on one of the GnuPG mailing lists a
little while ago, and I thought I'd mention it here.
A vision-impaired user was using GnuPG via a text reader and mentioned
that photo IDs were obviously not going to be that useful to him. The
idea came up of using an additional attribute subpacket to include a
textual user ID together with the photo attribute subpacket (both
inside a single attribute ID), rather like the HTML "alt" tag is used
to provide a text string for when an image can not be displayed.
It would be easy enough to do: just define attribute subpacket 2 as a
UTF8 string type. Implementations could handle it however they chose.
Note that I'm not necessarily suggesting this for 2440bis. Just
something to think about in the future.
David
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