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I can´t register a user with ñ (español) beacause is invalid character, (i know it)

the questions are:

are there any functions that allow that?

is a server problem or a wordpress problem?

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It's Wordpress.

You could hack into wp-includes/formatting.php and comment out the contents of the sanitize_user() function.

However, I don't think that's a good idea - it may compromize your site's security, and special characters can always cause trouble...

And it's never a good idea to hack into the core (maybe you can do it also with remove_action() - but I'm not very familiar with this).

  • I'm seconding that. Being francophone, I have to deal with accents too. I can tell by experience. There's never good things that come out of putting an accent in your code, except if it's clear text. – Fredy31 Nov 29 '11 at 15:47

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