W3C home > Mailing lists > Public > public-webplatform@w3.org > July 2013

CSS properties

From: David R. Herz <WPD@theherzes.com>
Date: Fri, 26 Jul 2013 09:16:14 +0300
To: "'Julee Burdekin'" <jburdeki@adobe.com>, "'Mike Sierra'" <letmespellitoutforyou@gmail.com>, "'Lea Verou'" <lea@w3.org>
Cc: "'PhistucK'" <phistuck@gmail.com>, "'WebPlatform Community'" <public-webplatform@w3.org>
Message-ID: <009001ce89c7$a3a7bf60$eaf73e20$@com>
I have some questions and comments:



Where is it most useful for me to make certain content specific comments?



It appears that certain browsers have browser specific coding (-o, -moz,
-webkit).  I am clear that these are therefore not standard, but some
mention of variants, where they apply, and how to use them might be
appropriate.  I only got this because I had access to Mr. Mills - I am sure
he is not the only keeper of this information - but it might help the
budding developer if there were some readily accessible explanation of the
compatibility tables and what they mean.   The little -o in a red box does
not give enough information.  If it were a link that indicated how to use it
(likewise for -webkit or -moz), or if there were a link with the table to a
guide to these table designations, it would be useful.



This is more about measurement than length, but do we (or should we) address
situations in which our designations seem to be ignored?  I have a
border-image that renders as I think I coded it in Chrome and Firefox.  The
-o version seems to ignore my border image width designation.   I don’t
know if this is an Opera bug or something that can or should be addressed
here.



Also, since Internet Explorer has no support for border-image, it would be
useful in a usage guide to indicate how a border would be accomplished for
that browser.



David R. Herz

 <mailto:mr@theherzes.com> wpd@theherzes.com



From: Julee Burdekin [mailto:jburdeki@adobe.com]
Sent: Thursday, July 25, 2013 11:50 PM
To: Mike Sierra; Lea Verou
Cc: PhistucK; WebPlatform Community
Subject: Re: Values of CSS properties



+1 But I don't think we have such a page... J





----------------------------

julee@adobe.com

@adobejulee



From: Mike Sierra <letmespellitoutforyou@gmail.com>
Date: Thursday, July 25, 2013 1:47 PM
To: Lea Verou <lea@w3.org>
Cc: PhistucK <phistuck@gmail.com>, julee <jburdeki@adobe.com>, WebPlatform
Public List <public-webplatform@w3.org>
Subject: Re: Values of CSS properties



I prefer <length> with a link to the length page and maybe a brief note
about percentages and keywords, but separate lines for 2, 4, and 1-line
syntax.   Perhaps "accepts multiple values" should be a flag in the overview
table, with a link to discussion of comma-separated syntax?



--Mike S



On Thu, Jul 25, 2013 at 4:40 PM, Lea Verou <lea@w3.org> wrote:

Isn’t that the purpose of the examples section?



Lea Verou

W3C developer relations

http://w3.org/people/all#lea ? http://lea.verou.me ? @leaverou













On Jul 25, 2013, at 23:39, PhistucK <phistuck@gmail.com> wrote:





While I understand what <length> means exactly, I am not sure everyone does.
In order to be correct and accurate, as well as usable for newcomers, I
think we should have <length> as well as one or two quick and short examples
to make the newcomers figure out the usage easily and quickly.



So, say -

background-position: <length> <length>;

  background-position: 20px 30px;

  background-position: 15em 5%;



Or something similar.






☆PhistucK



On Thu, Jul 25, 2013 at 11:32 PM, Lea Verou <lea@w3.org> wrote:

Yes, that’s what I’m talking about. Glad we agree. Anyone else want to
chime in?


Lea Verou
W3C developer relations

http://w3.org/people/all#lea ? http://lea.verou.me <http://lea.verou.me/>  ?
@leaverou







On Jul 25, 2013, at 23:31, Julee Burdekin <jburdeki@adobe.com> wrote:

> Hi, Lea: Are you talking about where it lists the values:
>
> Values
>
> 20px 40px
>     Any standard CSS...
>
> Yes, I agree: <length> is better than some arbitrary example value.
>
> J
>
> ----------------------------
> julee@adobe.com
> @adobejulee
>
>
>
>
>
> From:  Lea Verou <lea@w3.org>
> Date:  Thursday, July 25, 2013 1:25 PM
> To:  WebPlatform Public List <public-webplatform@w3.org>
> Subject:  Values of CSS properties
>
>
> I see this pattern in many CSS properties. For example,
> http://docs.webplatform.org/wiki/css/properties/background-positionSome
> have generic data types as values (e.g. length), others try to use
> specific examples.
> What’s the correct way?
> Personally, I think specific examples can be confusing, since the reader
> needs to extrapolate the general rule.
>
> Lea Verou
> W3C developer relations
> http://w3.org/people/all#lea ? http://lea.verou.me <http://lea.verou.me/>
? @leaverou
>
>
>
>
>
>
>
>
>
Received on Friday, 26 July 2013 06:17:10 UTC

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