https://bugzilla.wikimedia.org/show_bug.cgi?id=22680

Roan Kattouw <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #24 from Roan Kattouw <[email protected]> 2011-04-19 19:32:55 
UTC ---
I've nailed it down to the WikiMiniAtlas script.

One of the criteria for disabling bfcache that's mentioned in the documentation
is "the top-level page contains frames that are not cacheable". WMA inserts an
invisible, empty <iframe> on every page view, and I've confirmed that removing
the iframe in Firebug fixes the bfcache problem.

I'm not sure how WMA can insert the iframe in a way that won't break bfcache
(maybe remove it in an onbeforeunload hook?), but inserting it when needed
instead of inserting an empty, invisible one unconditionally on page load would
go a long way.

Re-closing as FIXED because this incarnation of the bug is not in MediaWiki,
but in WikiMiniAtlas.

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