On 04/30/2016 12:22 PM, Gordon Messmer wrote:
On 04/30/2016 11:28 AM, Alice Wonder wrote:
Is there any advice on characters to allow in usernames?
...
I don't think a whitelist alphabet is best approach because of people
with names that are not spelled with Latin characters.
Is there an existing blacklist of characters that technically legal
but are generally avoided in e-mail addresses?
The RFC uses a list of allowed characters, and so must you.
For e-mail sent to people, yes.
But for what usernames are allowed when creating an account, I don't see
why blacklisting characters that are not allowed in a username is a
standards problem.
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