Enable extra primitives when LuaTeX is in use
tree64e677ffeb8ceb6141bb6fac52589d1e4db0f57e
drwxr-xr-x - base
-rw-r--r-- 832 build-config.lua
-rw-r--r-- 2221 build.lua
drwxr-xr-x - doc
drwxr-xr-x - required
drwxr-xr-x - scripts
drwxr-xr-x - support
drwxr-xr-x - validate