[1] Translation:General Information - Apache OpenOffice Wiki ( 版) <https://wiki.openoffice.org/wiki/Translation:General_Information>
[2] Issue 27668 – Why the output file format from localize tools is called "GSI" ( 版) <https://bz.apache.org/ooo/show_bug.cgi?id=27668>
the GSI format is called GSI, because the developer Gutschmidt invented that file format and called it "gutschmidt's interface" GSI ....
... and by the way don't ask me why SDF is called SDF. I've never met someone, who could tell me that. All who could know have left SUN.