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If ALL_SIDES is used as a parameter, it appears that the value returned is the sum of the alpha for all sides.--Clang Bailey 20:19, 1 April 2008 (PDT)

Face that does not exist

"If face indicates a face that does not exist the return is 0.0" is wrong. llGetAlpha always returns 1.0 if the face number is an invalid face. --MartinRJ Fayray 20:04, 5 January 2013 (PST)

I've fixed the error, thank you for reporting it. -- Strife (talk|contribs) 22:32, 5 January 2013 (PST)