Form page interface
FormPage[formspec, func]
FormPage[{"name1" -> type1, …}, func]
FormPage[{{"name1", label1} -> type1, …}, func]
FormPage[{namespec1 -> type1 -> default1, …}, func]
FormPage[formspec, func, form]
FormPage[formspec, func, initform -> resform]
- AppearanceRules — default Automatic
- FormLayoutFunction — default Automatic
- FormProtectionMethod — default Automatic
- PageTheme — default Automatic
- ImageFormattingWidth — default $ImageFormattingWidth
- ImageSize — default Automatic