[Gimp-docs] about gimp error when open xcf by different gimp

[尤晓杰 <yxj790222 163 com>]

dear friends:
does the older gimp (such as 2.10.8) can open xcf.bz2 created by newer version (2.10.10)?
I do it and found errors:  

 gimp-2.10: Gimp-Core-WARNING: Failed to deserialize grid parasite: Error parsing internal buffer: unexpected 
number '1', expected number (float) - fatal parse error
Oct 21 12:36:50 debian gimp.desktop[2110]: GIMP: Problems parsing the text parasite for layer 'SS0:0':
Oct 21 12:36:50 debian gimp.desktop[2110]: Error parsing internal buffer: unexpected number '24', expected 
number (float) - fatal parse error
Oct 21 12:36:50 debian gimp.desktop[2110]: Some text properties may be wrong. Unless you want to edit the 
text layer, you don't need to worry about this.
Oct 21 12:36:50 debian gimp.desktop[2110]: GIMP: Problems parsing the text parasite for layer 'SS0:1':
Oct 21 12:36:50 debian gimp.desktop[2110]: Error parsing internal buffer: unexpected number '24', expected 
number (float) - fatal parse error
Oct 21 12:36:50 debian gimp.desktop[2110]: Some text properties may be wrong. Unless you want to edit the 
text layer, you don't need to worry about this.
Oct 21 12:36:50 debian gimp.desktop[2110]: GIMP: Problems parsing the text parasite for layer 'MF? ...':
Oct 21 12:36:50 debian gimp.desktop[2110]: Error parsing internal buffer: unexpected number '24', expected 
number (float) - fatal parse error
Oct 21 12:36:50 debian gimp.desktop[2110]: Some text properties may be wrong. Unless you want to edit the 
text layer, you don't need to worry about this.
Oct 21 12:36:50 debian gimp.desktop[2110]: GIMP: Problems parsing the text parasite for layer 'CLK0P CPU J15 
...':

where 24 should be font size. why?