[wp-trac] [WordPress Trac] #28817: WP4.0-beta1 - string concatenation for $page_title in add_submenu_page() is broken

[WordPress Trac]

#28817: WP4.0-beta1 - string concatenation for $page_title in add_submenu_page() is
broken
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 Reporter:  harmr             |       Owner:
     Type:  defect (bug)      |      Status:  new
 Priority:  high              |   Milestone:  4.0
Component:  Administration    |     Version:  trunk
 Severity:  major             |  Resolution:
 Keywords:  has-patch commit  |     Focuses:  administration
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Comment (by SergeyBiryukov):

 Well, `sanitize_html_class()` doesn't allow for multiple classes. Let's at
 least use `esc_attr()`.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28817#comment:2>
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