Module dedicated to xwiki/1.0 syntax rendering. The xwiki/1.0 syntax is deprecated since 2.x and formaly abandoned (no bug fixed anymore) since 5.0.
It's been moved to contrib as an installable extension in 8.0 branch.
xwiki-attic/xwiki-platform-oldrendering
[retired] Old xwiki/1.0 syntax dedicated rendering engine
Java