...isplay manual page descriptions" $ lexgrog broken.1 broken.1: parse failed WHATIS PARSING mandb (which uses the same code as lexgrog ) parses the NAME section at the top of each…...rom interpreting them. index databases are used during the search, and are updated by the mandb program. Depending on your installation, this may be run by a periodic cron job, …...nd word boundaries in the description. The database searched by apropos is updated by the mandb program. Depending on your installation, this may be run by a periodic cron job, …...er ( nroff or [ tg ] roff with -t ) and executed. Alternatively, if an executable program mandb_nfmt (or mandb_tfmt with -t ) exists in the man tree root, it is executed instead…