[UA-discuss] [UA-EAI] WhatWG issue regarding <input type="email"> is open (#4562)

Andre Schappo A.Schappo at lboro.ac.uk
Wed Jun 10 03:05:00 UTC 2020

Yes, you are right, it is the same problem except that with Unicode it is hugely more complicated.

One could, for instance, state

¢Ù A well formed EA consists of ascii characters but not any ascii characters
¢Ú A well formed EAI consists of unicode characters but not any unicode characters

So, for example:

I doubt there is any email system that would allow me to register an EA with a space in the mailbox name eg "andre schappo at wherever.com"

With an EAI such as "¥¢¥ó¥É¥ì¡¡¥·¥ã¥Ã¥Ý@¥Ç©`¥¿¥á©`¥ë.¥³¥à" it is more complicated because there are several different space characters eg en space, em space, figure space, ideographic space ...etc...

Andr¨¦ Schappo

From: Arnt Gulbrandsen <arnt at gulbrandsen.priv.no>
Sent: 09 June 2020 12:49
To: Andre Schappo <A.Schappo at lboro.ac.uk>
Subject: Re: [UA-EAI] WhatWG issue regarding <input type="email"> is open (#4562)

> Well because unicode contains formatting characters, delete,
> direction indicators, tags, joiners ...etc...

How is this different from the present ASCII page, which allows entering
all kinds of characters that aren't a valid email address?

Seriously. There are three really common entry fields on the web: "Sign
up", "Log in" and "Enter your email address to make us send you some mail".
A proposed first step that supports zero of those three is going to go


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