Provided by:
man-db_2.5.7-4_i386 
lexgrog -
lexgrog [-m|-c] [-fhwV] [-E ]
...
lexgrog -- "groff guess"
lex. ,
("cat") , , apropos whatis, , man nroff troff,
.
, lexgrog "parse failed"; ,
man .
lexgrog "-",
; ,
.
-m, --man
--cat.
-c, --cat
("cat "). --man --cat
-w, --whatis
, apropos whatis. ,
--whatis --filters.
-f, --filters
,
nroff troff.
-E , --encoding
.
-h, --help
.
-V, --version
.
0 .
1 .
2 lexgrog .
$ lexgrog man.1
man.1: "man - an interface to the on-line reference manuals"
$ lexgrog -fw man.1
man.1 (t): "man - an interface to the on-line reference manuals"
$ lexgrog -c whatis.cat1
whatis.cat1: "whatis - display manual page descriptions"
$ lexgrog broken.1
broken.1: parse failed
mandb ( , lexgrog) NAME (), , .
,
,
man,
NAME :
.SH NAME
foo \- , -
'\-' ; mandb ,
.
,
NAME.
,
, :
.SH NAME
foo, bar \- , -
.br
baz \-
( .br ,
, .PP.)
BSD- mdoc,
NAME :
.Sh NAME
.Nm foo
.Nd , -
, '.SH MYPROGRAM', mandb ,
. NAME,
, ' \- '. , , .
man(1), mandb(8), apropos(1), whatis(1).
lexgrog , .so,
,
.
, lexgrog :
Wilf. (G.Wilford@ee.surrey.ac.uk).
Fabrizio Polacco (fpolacco@debian.org).
Colin Watson (cjwatson@debian.org).
(Colin Watson) , .