is there a protocal to make sure people know a link is external?

i think there is a little arrow symbol the night court link should have it!

i dont want a page made i just used this as an example:) Its Time For The White! _{^=/\=Talk^=/\=} 22:23, 6 March 2006 (UTC)

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 * {{wikipedia|John Larroquette}} 

this i think is how (substitute the appropriate thing.)Its Time For The White! _{^=/\=Talk^=/\=} 22:34, 6 March 2006 (UTC)

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ok, ya know i guess the little arrow doesn't show up with external wiki sites so i appologizeIts Time For The White! _{^=/\=Talk^=/\=} 22:39, 6 March 2006 (UTC)