[sigspec]

Yeah we read the article--- which matches your screenshot.

[msephton]

This is for all the TL;DR folks.

[jgrahamc]

I think your summary is a bit short. Sure, LibreOffice opens the file but there are multiple problems with the formatting that need correcting. Your screenshot shows at least one of them (there shouldn't be any headers on the first page and the page layout should be different).