[wp-trac] [WordPress Trac] #18268: Add tel, sms, callto and fax protocols to esc_url() and make the array filterable

[WordPress Trac]

#18268: Add tel, sms, callto and fax protocols to esc_url() and make the array
filterable
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 Reporter:  sanchothefat  |      Owner:
     Type:  enhancement   |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Formatting    |    Version:  3.2.1
 Severity:  normal        |   Keywords:  has-patch dev-feedback
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 There are loads of protocols that people may need to support.

 Currently esc_url() obliterates urls that don't match the allowed list
 _before_ it reaches the 'clean_url' filter.

 This means I can't put tel: or callto: links in a menu via the admin.

 The attached patch adds in some more useful protocols and makes the array
 filterable to cover all the protocols listed on
 http://en.wikipedia.org/wiki/URI_scheme

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Ticket URL: <http://core.trac.wordpress.org/ticket/18268>
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