[wp-trac] [WordPress Trac] #41876: Add inline help to Custom HTML widget

[WordPress Trac]

#41876: Add inline help to Custom HTML widget
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 Reporter:  westonruter    |      Owner:
     Type:  enhancement    |     Status:  new
 Priority:  normal         |  Milestone:  4.9
Component:  Widgets        |    Version:
 Severity:  normal         |   Keywords:  needs-patch
  Focuses:  accessibility  |
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 There is no inline help in the Custom HTML widget for how to interact with
 the code editor. While the widget will add this to the help text on the
 widgets admin screen, this is not easily discoverable. Additionally, this
 help tab text is not displayed in the Customizer at all. Just like the
 Additional CSS section description in the Customizer, there could be a (?)
 icon in the widget, and once expanded it could reveal the same help text
 to guide usage of the widget. I suggest the icon could be placed in the
 top-right corner of the widget with the help text then appearing at the
 top when expanded, similar to the Customizer section description.

 See also:
 * #41872
 * https://github.com/WordPress/better-code-editing/issues/36
 * https://github.com/WordPress/better-code-editing/issues/64
 * https://wordpress.slack.com/archives/C02RP4X03/p1503940071000037
 * https://wordpress.slack.com/archives/C0381N237/p1505323129000204

 Builds off of [41376] for #12423.

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Ticket URL: <https://core.trac.wordpress.org/ticket/41876>
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