[Dillo-dev] [patch]: simplify a_Html_form_event_handler()

The a_Html_form_event_handler() function displays an amusing anti-pattern (which I wish I knew the name of) where it's not given enough data and has to go searching for the missing information. Specifically, it gets a pointer to the DilloHtml of the page, but not not the DilloHtmlForm that submitted it, so it has to search the form list of the DilloHtml to find the form. This patch passes the DilloHtmlForm to the handler and adds a pointer from the DilloHtmlForm to the DilloHtml , so the handler can now directly access the form and the html without messing around. Regards, Jeremy Henty