[whatwg] HTML parsing: "act as if...had been seen" using what insertion mode?

Ian Hickson ian at hixie.ch
Fri Oct 7 13:38:12 PDT 2011

On Fri, 7 Oct 2011, David Flanagan wrote:
> The HTML parsing algorithm frequently includes directions like "act as 
> if an end tag with the tag name 'p' had been seen".
> Suppose the insertion mode is "in caption" mode.  It tells me to process 
> a token using the rules for "in body" mode.  Then, while processing a 
> token using those rules, I need to act as if a </p> tag or </option> tag 
> had been seen.  My question: what insertion mode do I use to process 
> that synthetic end tag?
> Perhaps the spec could be modified to add a definition for "act as if" 
> along with the definition for "using the rules for".

I'll fix it. Quickly though, the answer is that it uses the current actual 
mode, but in practice I wouldn't be surprised if it actually made no 
difference (I haven't verified that though).

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

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