On Wed, 7 Apr 2010, Mounir Lamouri wrote: > On 04/07/2010 12:37 AM, Ian Hickson wrote: > > On Tue, 6 Apr 2010, Mounir Lamouri wrote: > >> > >> For input element in telephone state [1] specs say "User agents may > >> change the punctuation of values that the user enters." I do not really > >> get it. What is the idea ? > > > > For example, if I enter "1 650 253-0000", the user agent is allowed to > > change that to "+1 (650) 253 0000" or "16502530000" or "+1 (650) > > 253-0000". This is because such reformatting is common practice in > > telephone number entry fields. > > I understand this is common but as the UA is "allowed to" behave a > certain way, it is going to be really hard for the webpages to check the > telephone numbers validity. With the example you gave, for one entry, > three different values have been generated. > In my opinion, this is the contrary of the spirit of no type-mismatch > constraint validation.
Well the alternative is to not have the user agent change the value at all, in which case you still have to do server-side canonicalisation, so I don't think it really makes any difference. -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
