Indo-European grammar stuff

(XML/XSLT versions were tested successfully on Chromium and Firefox, Safari seems to have issues with XSLT-processing the tables; use HTML versions where necessary)

early development of Proto-Indo-European according to Beekes

• tables for Beekes' history of nominal accent/ablaut classes: XML/XSLT / HTML
• tables for Beekes' history of nominal endings: XML/XSLT / HTML

other stuff

• some demo tables: XML/XSLT / HTML
• beginnings of PIE to Latin tables: XML/XSLT / HTML