little autoyast xml bug?

i create for automatic suseinstallation an autyast-XML-File on an reference-PC.
I set 1 Partition sda1 for swap to 1 GB.
and the 2.Partition sda2 for max Size.
After i save this as an XML-File i discover that the autoyast-tool my sda2-Size reset from “max” to “21303147520”.
(This is the rest of the partition).
But when i install an new machine with a bigger disk over this XML-file, i will get only the “21303147520” Bytes for sda2 and not the restmaximum of the disk.
In the end i must change manually the XMl-File from: