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Re: <meter> and <progress> (was RE: Implementor feedback on new elements in HTML5)

From: Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>
Date: Wed, 02 Sep 2009 02:49:04 +0200
Message-ID: <4A9DC100.4070502@xn--mlform-iua.no>
To: "Tab Atkins Jr." <jackalmage@gmail.com>
CC: Jonas Sicking <jonas@sicking.cc>, Adrian Bateman <adrianba@microsoft.com>, Maciej Stachowiak <mjs@apple.com>, HTMLWG WG <public-html@w3.org>
Tab Atkins Jr. On 09-09-02 01.22:

> On Tue, Sep 1, 2009 at 6:12 PM, Jonas Sicking<jonas@sicking.cc> wrote:
>> On Tue, Sep 1, 2009 at 7:17 PM, Tab Atkins Jr.<jackalmage@gmail.com> wrote:
>>> On Tue, Sep 1, 2009 at 5:00 PM, Jonas Sicking<jonas@sicking.cc> wrote:
>>>> On Tue, Sep 1, 2009 at 12:52 PM, Tab Atkins Jr.<jackalmage@gmail.com> wrote:
>>>>> On Tue, Sep 1, 2009 at 10:29 AM, Adrian Bateman<adrianba@microsoft.com> wrote:
>>>>>> <meter> does seem like a corner case - I'm also not convinced it would be broadly used. <progress> seems like a reasonable control - it supports both the progress and activity use cases that Windows also provides. I agree with Jonas that it's unlikely to get broad adoption without styling support.
>>>>> Assuming proper styling controls, meters are used *everywhere*.  Think
>>>>> about every time you see a rating site that gives a movie 4 stars, for
>>>>> example.
>>>> Interesting, that's the first time I've heard of a common use of
>>>> something that could use <meter>s. Do you have more examples? (Asking
>>>> since you say "*everywhere*").
>>> Well, by that I'm talking about everywhere that things are given
>>> ratings, like 3/5 stars for a movie, or 2/5 dollar signs for a
>>> restaurant.  These are all meters.
>> Yes, i got that part. What i was wondering was if you had examples of
>> <meter>s other than the "X stars rating" example (as common as it is).
> 
> Ah, I understand you now.  Those are definitely the most prevalent,
> but the existing spec examples hit what I feel are the next most
> common groups.  I can't think of anything beyond that off the top of
> my head.


Meteorological web sites showing how high/low the temperature is 
within an expected range, or the speed of wind within a range. 
Earth quakes on Richters scale. Education grades. Various 
percentage scales in numerous contexts. Election results. Seats of 
a parliament belonging to a party.

A fine point is that if one uses it to say e.g. <meter>50 degrees 
Celsius</meter>, without indicating a temperature range, then it 
represent wrong use - many will get that wrong, probably.

A potential good effect is that many values might get easier to 
grasp if they are delivered as a meter. For instance, the phrase 
"50 degrees Celsius" could get a red color, to indicate that it is 
hot.

Just my 2 øre.
-- 
leif halvard silli
Received on Wednesday, 2 September 2009 00:49:49 GMT

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