Archive for December, 2011
Wednesday, December 21st, 2011
You might have missed this. Because of this lengthy thread on throwing for
atob() space characters will no longer cause the method to throw from revision>6874 onwards. This is the WHATWG Weekly, with some standards related updates just before the world slacks off to feast and watch reindeer on Google Earth.
Dimitri Glazkov (from good morning, WHATWG!) published Shadow DOM. A while earlier he also published, together with Dominic Cooney, Web Components Explained. The general idea is to be able to change the behavior and style of elements without changing their intrinsic semantics. A very basic example would be adding a bunch of children to a certain element to have more styling hooks (since this is the shadow DOM the children will not appear as actual children in the normal DOM, but can be styled).
Two weeklies ago you were informed about the encoding problem we have on the platform. While HTML already took quite a few steps to tighten up things (discouraging support for UTF-7, UTF-32, etc. defining encoding label matching more accurately), more were needed. Especially when it comes to actually decoding and encoding with legacy encodings. The Encoding Standard aims to tackle these issues and your input is much appreciated. Especially with regards to the implementation details of multi-octet encodings.
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Thursday, December 15th, 2011
James Hawkins proposed the
intent element in a way that brings back memories of HTML4. Happy to be reminded we are over SGML now. This is the WHATWG Weekly.
Overnight a complete proposal for better autocomplete appeared on the WHATWG Wiki, apparently already experimentally implemented in Chrome (prefixed). It proposes a new
autocompletetype attribute that takes values such as
cc-number. The advantage over ECML is that changes only need to happen on the frontend. The backend can stay the same.
Adrian Bateman proposed to remove the
readAsBinaryString() method from the File API standard. Everyone else seems to be on board so it will likely go away soon. Thanks to
ArrayBuffer the method became useless.
He also proposed a new argument for
createObjectURL() to indicate the resource will only be used once and can then be garbage collected.
Sort of analogous to
Blob objects a new
Stream object has been proposed by Microsoft and it comes with a bunch of friends too so you can interact with it. Combined with XMLHttpRequest this will allow streaming data to the server or downloading large amounts of data and processing it as it comes in.
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Monday, December 5th, 2011
If you want to contribute to the WHATWG Blog or Wiki, join IRC (
#whatwg on Freenode). We had to shut down user registration unfortunately due to excessive spam. Welcome to another WHATWG Weekly. If it were themed, this would be about Sinterklaas.
In response to Faruk Ate?' plea for defaulting to UTF-8, David Baron explained the platform encoding problem. The problem is that currently the default encoding varies per user (depending on locale primarily) and sites rely on locale-specific default encodings. Such sites visited by a user using a Dutch computer and a user using a Chinese computer, will render differently. In particular, their byte streams will be decoded using a different encoding. The implication is that the web is less global than it should be. How exactly we are to overcome the platform encoding problem, without everyone explicitly opting in to an encoding using
<meta charset=utf-8> (please do so if you are a web developer), is still unclear. Ideas welcome!
Revision 6837 made it possible for WebVTT to be published as a standalone Living Standard. It will primarily be developed by the Web Media Text Tracks Community Group on the [email protected] mailing list. WebVTT is the platform's captioning and subtitle format (for HTML video) and its development can be tracked on Twitter via @webvtt.
The same revision that let WebVTT be published as standalone document, removed everything related to peer-to-peer connections and video conferencing. The W3C Web Real-Time Communications Working Group forked our work in WebRTC 1.0: Real-time Communication Between Browsers and we (the WHATWG) are okay with them working on it instead.
My colleague Karl has been blogging again on the W3C Blog, read his summaries from the weeks of November 14 and
Yours truly added native JSON support to XMLHttpRequest. Just set
responseType to "
response will give you a JSON-decoded object once fetching is done.
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