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Copyright (C) 1999-2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.

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.TH GROHTML @MAN1EXT@ "@MDATE@" "Groff Version @VERSION@"
.
.
.SH NAME
grohtml \- html driver for groff
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.SH SYNOPSIS
.nr a \n(.j
.ad l
.nr i \n(.i
.in +\w'\fBgrohtml 'u
.ti \niu
.B grohtml
.
.de OP
.  ie \\n(.$-1 .RI "[\ \fB\\$1\fP" "\\$2" "\ ]"
.  el .RB "[\ " "\\$1" "\ ]"
..
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.OP \-bhlnprv
.OP \-a \%aa-text-bits
.OP \-D dir
.OP \-F dir
.OP \-g \%aa-graphic-bits
.OP \-i \%resolution
.OP \-I \%image-stem
.OP \-j \%filename
.OP \-o \%image-vertical-offset
.OP \-s size
.OP \-S level
.RI "[\ " files\|.\|.\|. "\ ]"
.br
.ad \na
.
.
.SH DESCRIPTION
The
.B grohtml
front end (which consists of a preprocessor,
.BR pre-grohtml ,
and a device driver,
.BR post-grohtml )
translates the output of GNU
.B troff
to html.
Users should always invoke
.B grohtml
via the groff command with a
.B \-Thtml
option.
If no files are given,
.B grohtml
will read the standard input.
A filename of
.B \-
will also cause
.B grohtml
to read the standard input.
Html output is written to the standard output.
When
.B grohtml
is run by
.B groff
options can be passed to
.B grohtml
using
.BR groff 's
.B \-P
option.
.
.
.SH OPTIONS
.TP
.BI \-a aa-text-bits
Number of bits of antialiasing information to be used by
.I text
when generating png images.
The default is\~4 but valid values are 0, 1, 2, and\~4.
Note your version of
.B gs
needs to support the
.B \%\-dTextAlphaBits
and
.B \%\-dGraphicAlphaBits
options in order to exploit antialiasing.
A value of\~0 stops
.B grohtml
from issuing antialiasing commands to
.BR gs .
.
.TP
.B \-b
Initialize the background color to white.
.
.TP
.BI \-D dir
Inform
.B grohtml
to place all image files into directory
.IR dir .
.
.TP
.BI \-F dir
Prepend directory
.IB dir /dev name
to the search path for font and device description files;
.I name
is the name of the device, usually
.BR html .
.
.TP
.BI \-g aa-graphic-bits
Number of bits of antialiasing information to be used by
.I graphics
when generating png images.
The default is\~4 but valid values are 0, 1, 2, and\~4.
Note your version of
.B gs
needs to support the
.B \%\-dTextAlphaBits
and
.B \%\-dGraphicAlphaBits
options in order to exploit antialiasing.
A value of\~0 stops
.B grohtml
from issuing antialiasing commands to
.BR gs .
.
.TP
.B \-h
Generate section and number headings by using
.BR <B> .\|.\|. </B>
and increasing the font size, rather than using the
.BI <H n >\c
\&.\|.\|.\c
.BI </H n >
tags.
.
.TP
.BI \-i resolution
Select the resolution for all images.
By default this is 100 pixels per inch.
Example:
.B \-i200
indicates 200 pixels per inch.
.
.TP
.BI \-I stem
Determine the image stem name.
If omitted grohtml uses
.BI \%grohtml- XXX
.RI ( XXX
is the process ID).
.
.TP
.BI \-j filename
Inform
.B grohtml
to split the html output into multiple files.
The
.I filename
is the stem and specified section headings
(default is level one) start a new file, named
.IR filename-n.html .
.
.TP
.B \-l
Turn off the production of automatic section links at the top of the
document.
.
.TP
.B \-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.
.
.TP
.BI \-o vertical-offset
Specify the vertical offset of images in points.
.
.TP
.B \-p
Display page rendering progress to stderr.
.B grohtml
only displays a page number when an image is required.
.
.TP
.B \-r
Turn off the automatic header and footer line (html rule).
.
.TP
.B \-s size
Set the base point size of the source file.
Thereafter when this point size is used in the source it will correspond
to the html base size.
Every increase of two points in the source will yield a
.B <big>
tag, and conversely when a decrease of two points is seen a
.B <small>
tag is emitted.
.
.TP
.BI \-S level
When splitting html output,
split at the heading level (or higher) defined by
.IR level .
.
.TP
.B \-v
Print the version number.
.
.
.SH USAGE
There are styles called
.BR R ,
.BR I ,
.BR B ,
and
.B BI
mounted at font positions 1 to\~4.
.
.
.SH DEPENDENCIES
.B grohtml
is dependent upon the png utilities
.RB ( \%pnmcut ,
.BR \%pnmcrop ,
.BR \%pnmtopng )
and GhostScript
.RB ( gs ).
.B \%pnmtopng
(version 2.37.6 or greater)
and
.B \%pnmcut
from the netpbm package (version 9.16 or greater) will work also.
It is also dependent upon
.B \%psselect
from the
.B PSUtils
package.
Images are generated whenever a table, picture, equation or line is
encountered.
.
.
.SH BUGS
.B Grohtml
has been completely redesigned and rewritten.
It is still beta code.
.
.
.SH "SEE ALSO"
.BR afmtodit (@MAN1EXT@),
.BR groff (@MAN1EXT@),
.BR @g@troff (@MAN1EXT@),
.BR psbb (@MAN1EXT@),
.BR groff_out (@MAN5EXT@),
.BR groff_font (@MAN5EXT@),
.BR groff_char (@MAN7EXT@)
.
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