User:Stmrlbs/Template/outer

A. Call inner macro like this {{User:Stmrlbs/Template/inner|var={{{var_outer}}}}}
Results:

1. use inner variable with no default - {{{var}}} is "{{{var_outer}}}"
2. use inner variable with specific default - {{{var|innerdefault}}} is "{{{var_outer}}}"
3. use inner variable with null default - {{{var|}}} is "{{{var_outer}}}"

B. Call inner macro like this {{User:Stmrlbs/Template/inner|var={{{var_outer|outerdefault}}}}}
Results:

1. use inner variable with no default - {{{var}}} is "outerdefault"
2. use inner variable with specific default - {{{var|innerdefault}}} is "outerdefault"
3. use inner variable with null default - {{{var|}}} is "outerdefault"

C. Call inner macro like this {{User:Stmrlbs/Template/inner|var={{{var_outer|}}}}}
Results:

1. use inner variable with no default - {{{var}}} is ""
2. use inner variable with specific default - {{{var|innerdefault}}} is ""
3. use inner variable with null default - {{{var|}}} is ""

D. Call inner macro like this {{User:Stmrlbs/Template/inner|var= }}
Results:

1. use inner variable with no default - {{{var}}} is ""
2. use inner variable with specific default - {{{var|innerdefault}}} is ""
3. use inner variable with null default - {{{var|}}} is ""

E. Call inner macro like this {{User:Stmrlbs/Template/inner}}
Results:

1. use inner variable with no default - {{{var}}} is "{{{var}}}"
2. use inner variable with specific default - {{{var|innerdefault}}} is "innerdefault"
3. use inner variable with null default - {{{var|}}} is ""