W3C home > Mailing lists > Public > www-style@w3.org > July 2015

Re: [css-logical-props] additional logical values for caption-side

From: Gérard Talbot <www-style@gtalbot.org>
Date: Sat, 04 Jul 2015 00:33:01 -0400
To: Jonathan Kew <jfkthame@gmail.com>
Cc: W3C www-style mailing list <www-style@w3.org>
Message-ID: <8b753f7fce3ab20bdebe54a9a8ecf0aa@gtalbot.org>
Le 2015-07-01 03:16, Jonathan Kew a écrit :
> We're in the process of implementing the logical values[1] for 
> caption-side.

Coincidentally, I am in the process of creating tests for 


> Given that in addition to 'top' and 'bottom', Gecko supports the
> 'top-outside' and 'bottom-outside' values (not currently standard, but
> foreshadowed in [2]), I'd like to request that analogous
> 'block-start-outside' and 'block-end-outside' values should also be
> added.

I created an interactive demo many years and, regarding caption-side, it 
still works in Firefox 38+:


left and right captions can be vertically positioned thanks to 

I have no idea what 'top-outside' and 'bottom-outside' (and their 
logical correspondent: 'block-start-outside' and 'block-end-outside') 
mean or refer to; as far as I can see, they behave just like top and 
bottom. Could you provide me a link to a document that explains 
'top-outside' and 'bottom-outside' values and I'd be happy to include 
those values in my tests.

There is no documentation about 'top-outside' and 'bottom-outside' 
values at



> [1] http://dev.w3.org/csswg/css-logical-props/#caption-side
> [2] http://www.w3.org/TR/CSS2/tables.html#caption-position
Received on Saturday, 4 July 2015 04:33:33 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 22:52:18 UTC