-If the first byte is 00010001, it means probably EOF (empty file), so switch
-to the compressed mode. If it is bigger, subtract 17 and copy this number of
-the following characters to the ouput and switch to the compressed mode. If
-it is smaller, go to the copy mode.
+Start in copy mode. If the first byte is 00010001, it means probably EOF (empty file),
+so switch to the compressed mode. If it is bigger, subtract 17 and copy this number of
+the following characters to the output and switch to the compressed mode.
+If it is smaller, interpret it as a regular copy mode command.