Language is American English. I have 3 mac G4 laptops with OS 10.5.8 on two of them, one is intel chip the other is powerpc chip. The third is a G4 powerpc chip with OS 10.4. The G4 powerpc OS 10.5.8 machine runs Libre Office version 3 successfully.
I have searched over the Libre Office URLS to find a version of Libre Office 4 that I can download onto the G4 powerpc with OS 10.5.8 and there does not seem to be a version to download or a web page port from which I can do a download. If this helps, I am using the browser Safari Version 5.0.6 (5533.22.3). I also have TenFourFox browser 31.3.0
I find this totally weird – and wonder of you have a bug.