GROHTML(1)                                                                                                            GROHTML(1)



NAME
       grohtml - html driver for groff

SYNOPSIS
       grohtml [ -bhlnprv ] [ -aaa-text-bits ] [ -Ddir ] [ -Fdir ] [ -gaa-graphic-bits ] [ -iresolution ] [ -Iimage-stem ]
               [ -jfilename ] [ -oimage-vertical-offset ] [ -ssize ] [ -Slevel ] [ -xhtml-dialect ] [ files... ]

DESCRIPTION
       The grohtml front end (which consists of a preprocessor, pre-grohtml, and a device driver, post-grohtml)  translates  the
       output of GNU troff to html.  Users should always invoke grohtml via the groff command with a -Thtml option.  If no files
       are given, grohtml will read the standard input.  A filename of - will also cause grohtml to  read  the  standard  input.
       Html  output  is  written  to  the  standard output.  When grohtml is run by groff options can be passed to grohtml using
       groff's -P option.

OPTIONS
       -aaa-text-bits
              Number of bits of antialiasing information to be used by text when generating png images.  The default  is  4  but
              valid  values  are  0,  1,  2,  and  4.   Note  your  version  of  gs  needs  to  support  the -dTextAlphaBits and
              -dGraphicAlphaBits options in order to exploit antialiasing.  A value of 0 stops grohtml from issuing antialiasing
              commands to gs.

       -b     Initialize the background color to white.

       -Ddir  Inform grohtml to place all image files into directory dir.

       -e     This  option  should not be directly invoked by the user as it is an internal option utilized by groff when -Thtml
              or -Txhtml is specified.  It is used by the grohtml preprocessor to determine whether eqn should attempt  to  pro-
              duce MathML (if -Txhtml is specified).

       -Fdir  Prepend  directory  dir/devname  to the search path for font and device description files; name is the name of the
              device, usually html.

       -gaa-graphic-bits
              Number of bits of antialiasing information to be used by graphics when generating png images.  The  default  is  4
              but  valid  values  are  0,  1,  2,  and  4.   Note  your  version  of gs needs to support the -dTextAlphaBits and
              -dGraphicAlphaBits options in order to exploit antialiasing.  A value of 0 stops grohtml from issuing antialiasing
              commands to gs.

       -h     Generate  section  and  number  headings  by  using <B>...</B> and increasing the font size, rather than using the
              <Hn>...</Hn> tags.

       -iresolution
              Select the resolution for all images.  By default this is 100 pixels per inch.  Example: -i200 indicates 200  pix-
              els per inch.

       -Istem Determine the image stem name.  If omitted grohtml uses grohtml-XXX (XXX is the process ID).

       -jfilename
              Inform grohtml to split the html output into multiple files.  The filename is the stem and specified section head-
              ings (default is level one) start a new file, named filename-n.html.

       -l     Turn off the production of automatic section links at the top of the document.

       -n     Generate simple heading anchors whenever a section/number heading is found.  Without the option the  anchor  value
              is  the textual heading.  This can cause problems when a heading contains a `?' on older versions of some browsers
              (Netscape).  This flag is automatically turned on if a heading contains an image.

       -overtical-offset
              Specify the vertical offset of images in points.

       -p     Display page rendering progress to stderr.  grohtml only displays a page number when an image is required.

       -r     Turn off the automatic header and footer line (html rule).

       -s size
              Set the base point size of the source file.  Thereafter when this point size is used in the source it will  corre-
              spond  to  the  html base size.  Every increase of two points in the source will yield a <big> tag, and conversely
              when a decrease of two points is seen a <small> tag is emitted.

       -Slevel
              When splitting html output, split at the heading level (or higher) defined by level.

       -v     Print the version number.

       -V     Create an XHTML or HTML validator button at the bottom of each page of the document.

       -xdialect
              Select HTML dialect.  Currently, dialect should be either the digit 4 or the letter x which indicates whether gro-
              html  should generate HTML 4 or XHTML, respectively.  This option should not be directly invoked by the user as it
              is an internal option utilized by groff when -Thtml or -Txhtml is specified.

       -y     Produce a right-justified groff signature at the end of the document.  This is only generated if the  -V  flag  is
              also specified.

USAGE
       There are styles called R, I, B, and BI mounted at font positions 1 to 4.

DEPENDENCIES
       grohtml  is  dependent upon the png utilities (pnmcut, pnmcrop, pnmtopng) and GhostScript (gs).  pnmtopng (version 2.37.6
       or greater) and pnmcut from the netpbm package (version 9.16 or greater) will work  also.   It  is  also  dependent  upon
       psselect from the PSUtils package.  Images are generated whenever a table, picture, equation or line is encountered.

ENVIRONMENT
       GROFF_FONT_PATH
              A  list of directories in which to search for the devname directory in addition to the default ones.  See troff(1)
              and groff_font(5) for more details.

BUGS
       Grohtml has been completely redesigned and rewritten.  It is still beta code.

SEE ALSO
       afmtodit(1), groff(1), troff(1), psbb(1), groff_out(5), groff_font(5), groff_char(7)



Groff Version 1.20.1                                     9 January 2009                                               GROHTML(1)