Add 'webcal' to the list of URI protocols whitelisted by default.
Fixes #31666. git-svn-id: https://develop.svn.wordpress.org/trunk@32346 602fd350-edb4-49c9-b593-d223f7449a82
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@ -4438,6 +4438,7 @@ function send_frame_options_header() {
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* Retrieve a list of protocols to allow in HTML attributes.
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*
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* @since 3.3.0
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* @since 4.3.0 Added 'webcal' to the protocols array.
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*
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* @see wp_kses()
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* @see esc_url()
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@ -4448,7 +4449,7 @@ function wp_allowed_protocols() {
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static $protocols;
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if ( empty( $protocols ) ) {
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$protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp' );
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$protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp', 'webcal' );
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/**
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* Filter the list of protocols allowed in HTML attributes.
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