It is sometimes handy to have EDL \index{EDL} assets not as a copy, but as a
reference that is automatically updated into your project. Suppose
you have several short videos that at the end have the same credits
-which include the current year such as 2019. But now it is 2020 and
+which include the current year such as 2021. But now it is 2022 and
all of the videos would have to be individually updated with the new
date. By including a \textit{Referenced File} as the EDL file type
when you create each of the videos, you can just change the one