[whatwg] <ins>, <del>, and <mark> crossing element boundaries

Nicholas Shanks contact at nickshanks.com
Wed Apr 2 07:52:45 PDT 2008

Hi Daniel.
You've obviously had these issues on your mind a long time.
What is the benefit of the @start attribute on the ending tag?  
Shouldn't the @end attribute be sufficient. I fear that if you let  
HTML authors loose with something like this they'll end up with mis- 
matching pairs, and while still able to create those (e.g. two start  
tags ending at the same ID; or pointing to non-extant IDs) the surface  
area for error is greater if the end tag has to be the inverse of the  
start tag too.

— Nicholas Shanks.

On 2 Apr 2008, at 4:05 pm, Daniel Glazman wrote:
> Tab Atkins Jr. wrote:
>> I like the paired-elements proposal, much better than my earlier  
>> ideas of being able to wrap <li></li> in idm.  It gives you all the  
>> power of idm while retaining a well-formed dom tree.  However, it's  
>> not ideal.  The stuff in the range is no longer targetable with  
>> CSS, frex.  We could poke at CSS3 to have a new pseudo-element set  
>> for idm, but meh.  How do implementors feel about this?
> http://lists.w3.org/Archives/Public/public-html/2007Nov/0190.html
> </Daniel>
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