*** ./build/test/iflang-test1.luatex.tlg 2018-12-05 09:03:07.495820200 +0000
--- ./build/test/iflang-test1.luatex.log 2018-12-05 09:03:11.444809900 +0000
***************
*** 4,20 ****
LaTeX Warning: You have requested package `',
but the package provides `iflang'.
Package: iflang ....-..-.. v... Checks for the current language (HO)
! (infwarerr.sty
Package: infwarerr ....-..-.. v... Providing info/warning/error messages (HO)
! ) (pdftexcmds.sty
Package: pdftexcmds ....-..-.. v... Utility functions of pdfTeX for LuaTeX (HO)