Examples from "Common Particles Configuration" section of the form reference: form.skip valid example, two optional fields are skipped note also how default value is not applied Required [element], Single Occurrence, with Simple Type [inline-Form-StandardField] localName is [StandardField] without namespace Optional [element], Single Occurrence, with Simple Type [inline-Form-FieldOptionalToBeSkipped] localName is [FieldOptionalToBeSkipped] without namespace Optional [attribute], Single Occurrence, with Simple Type [inline-Form-FieldOptionalToBeSkippedDefaultIgnored] localName is [FieldOptionalToBeSkippedDefaultIgnored] without namespace Examples from "Common Particles Configuration" section of the form reference: form.skip valid example, two optional fields are skipped note also how default value is not applied