[Seaside] Form field validation and polite error reporting

[Markus Fritsche]

Avi Bryant wrote:

>You will find in Seaside a class called WAModelProxy, which is what I use
>in such situations.  It wraps around another object, and uses DNU to
>proxy any reads (ie, #personName) through to the original object, but
>cache any writes (ie, #personName:) until you explicitly ask it to
>#commit.
>  
>
And, if I understand correctly,

reset
    cache := Dictionary new

should reset the proxy?

Regards, Markus