[whatwg] [wf2] Filtering datalist with pattern

Ian Hickson ian at hixie.ch
Tue Aug 15 03:01:17 PDT 2006

On Thu, 4 May 2006, Henri Sivonen wrote:
> The WF2 spec does not say anything about filtering autocomplete lists on 
> pattern and Opera 9 does not do it. However, autocomplete entries that 
> would fail form validation are not particularly useful.
> I suggest saying that potential autocomplete items (whether supplied by 
> the UA itself or read from a datalist) should be tested against the 
> datatype and the pattern of the form field being filled and should only 
> be shown if they match both the datatype and the pattern.
> (Real-world case: The autocompelete menu for the document field at 
> http://hsivonen.iki.fi/validator/ shows ftp and file URLs in Opera 9 
> even though the pattern only matches http and https URLs.)

Added encouragement.

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

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