Version of m:Template:xpd (backlinks edit) with three parameters:
Examples:
"{{t2|pqr|stu}}" gives "pqrstu" [1]
"{{t2|pqr|stu}}"
"{{#ifexpr:2<3|pqr|stu}}" gives "pqr" [2]
"{{#ifexpr:2<3|pqr|stu}}"
