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[whatwg] iframe scrolling attribute

From: Mats Palmgren <mats@mozilla.com>
Date: Thu, 09 Jan 2014 21:03:07 +0000
Message-ID: <52CF0E8B.2040204@mozilla.com>
To: whatwg@whatwg.org
The current spec[1] for the scrolling attribute of [i]frame elements
does not reflect what is implemented by a majority of UAs.  We intend
to change Firefox to implement the behavior of IE/Chrome/Safari and
would like to see the spec changed to describe that behavior.

There are two major problems with the current spec:
1. mapping scrolling=yes (and synonyms) to overflow:scroll
2. the mapped overflow value being a presentational hint

Only Firefox implements 1 (we intend to change that[2]).
None of the four UAs mentioned implements 2.

The spec should instead say that scrolling=no (and synonyms) suppress
scrollbars for the [i]frame viewport, and that any other value have
no effect.

Thanks,
Mats

[1]
http://www.whatwg.org/specs/web-apps/current-work/multipage/rendering.html#the-page

[2]
https://bugzilla.mozilla.org/show_bug.cgi?id=943249
Received on Thursday, 9 January 2014 21:03:24 UTC

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