- From: Ian Hickson <ian@hixie.ch>
- Date: Tue, 1 Nov 2005 18:12:11 +0000 (UTC)
- To: Patrick Wright <pdoubleya@gmail.com>
- Cc: www-style@w3.org
On Tue, 1 Nov 2005, Patrick Wright wrote: > > Two examples of the specification for computed value in the > specification: > > line-height: > "for <length> and <percentage> the absolute value; otherwise as specified" > > margin-top: > "the percentage as specified or the absolute length" > > Our interpretation of this is that for line-height, "inherit" on a child > inherits the calculated (absolute) value from the parent; for > margin-top, "inherit" on a child inherits the % value (e.g. 25%), which > is then recalculated in the context of the child. > > Is this correct? The closeness of the wording is throwing us off > somewhat. Yes, it is correct. (The reason is that for line-height, you can calculate the absolute value without doing a layout phase, but for margins, you need to actually lay out the page, potentially measuring text and so forth, in order to get an absolute value.) -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Tuesday, 1 November 2005 18:12:18 UTC