-It is very important to understand that this is not the same as the continuously editing- operation-updated \texttt{backup.xml} file.
-The perpetual.dat file is \textit{only} updated when you Quit \CGG{} in the normal manner.
-Which means if you interrupt the program, or kill it, or there is a segv or system crash, the \texttt{perpetual.dat} file will only reflect the state of your project from when you last started \CGG{}, and none of the editing/undo’s/redo’s you executed during the current session which was not ended normally.
+It is very important to understand that this is not the same as the continuously editing- operation-updated \texttt{backup.xml} file which is still operating as usual.
+The perpetual.dat file is updated so that when you Quit \CGG{} in the normal manner,
+interrupt the program, kill the program, or there is a segv or system crash, the \texttt{perpetual.dat} file still reflects the state of your project. This means the editing/undo’s/redo’s you executed during the current session should still be available on a restart with the exception of any edit
+that may not have had a chance to be written on disk before an abnormal stoppage.