Test1
{{Double-dagger|param1|param2|...|name3=value3}}

{{Double-dagger}}

double-dagger

{{Double-dagger/sandbox}}

Test2
{{Double-dagger|param1|param2|...|name3=value3}}

{{Double-dagger}}

double-dagger

{{Double-dagger/sandbox}}

Test3
{{Double-dagger|alt=deceased}}

{{Double-dagger}}

deceased

{{Double-dagger/sandbox}}

Test3
{{Double-dagger|alt=footnote|bogus-parameter=something-goofy}}

{{Double-dagger}}

footnote

{{Double-dagger/sandbox}}