phy25 opened a new pull request at
This is inspired by https://forum.dokuwiki.org/thread/14395 and should fix the
problem described there (I did a local test which seems to work).
Previously styling cookie depends on `window.opener`. Since the popup should be
on the same domain as the opener, and the popup's cookie domain is the same as
the opener (`DokuCookie` is used), there is no need to rely on the opener to
set the preview cookie. This change will ensure the preview cookie is cleared
before the popup is closed, regardless of whether opener exists or not.
Also checks on whether opener exists are added as well.
Please help us to review this pull request, so new contributors get feedback in
a timely manner.
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