[dev] [patch] Jonah e-mail delivery block

[Chuck Hagenbuch]

Quoting Roel Gloudemans <roel at gloudemans.info>:

> When subscribing to a channel using the Jonah delivery e-mail block,
> the user goes to the news delivery page after pressing submit.
>
> The expected behavoir is to stay on the current page and get a
> notification. delivery/email.php supports this already, if a form
> field named 'url' is set in the submitting form.
>
> This patch adds the current url as a hidden field to the form.

Committed, thanks!

-chuck

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