Provided by: man-db_2.5.7-4_i386 bug

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) ,     .