• ((FULLPAGENAME)) = User:Spitfire19/ref

• ((PAGENAME)) = Spitfire19/ref

• ((BASEPAGENAME)) = Spitfire19

• ((SUBPAGENAME)) = ref

• ((SUBJECTPAGENAME)) = User:Spitfire19/ref

Thus, for example,

[[User talk:((BASEPAGENAME))]]

...produces...

User talk:Spitfire19

 Chzz  ►  21:58, 16 May 2010 (UTC)