\cfg{info-dir-entry}{Sillinesses}{test.but}{Halibut test document}
\cfg{info-dir-entry}{Florbles}{test.but}{Subsection of Halibut test
document}{sub-sub}
\cfg{info-dir-entry}{Sillinesses}{test.but}{Halibut test document}
\cfg{info-dir-entry}{Florbles}{test.but}{Subsection of Halibut test
document}{sub-sub}