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+\
+.\" This man page was generated by the Netpbm tool 'makeman' from HTML source.
+.\" Do not hand-hack it! If you have bug fixes or improvements, please find
+.\" the corresponding HTML page on the Netpbm website, generate a patch
+.\" against that, and send it to the Netpbm maintainer.
+.TH "Pbmtog3 User Manual" 1 "20 April 2017" "netpbm documentation"
+
+.SH NAME
+pbmtog3 - convert a PBM image into a Group 3 MH fax file
+
+.UN synopsis
+.SH SYNOPSIS
+
+\fBpbmtog3\fP
+[\fB-reversebits\fP]
+[\fB-nofixedwidth\fP]
+[\fB-align8\fP|\fB-align16\fP]
+[\fIpbmfile\fP]
+
+.UN description
+.SH DESCRIPTION
+.PP
+This program is part of
+.BR "Netpbm" (1)\c
+\&.
+.PP
+\fBpbmtog3\fP reads a PBM image as input and produces a Group 3 MH fax
+file as output.
+.PP
+You can also generate a TIFF file that uses the same encoding
+inside, with \fBpamtotiff\fP.
+.PP
+There is no program in Netpbm that generates other fax formats,
+such as MR and MMR, but \fBpamtotiff\fP can generate TIFF files that
+use those encodings.
+
+.UN options
+.SH OPTIONS
+.PP
+In addition to the options common to all programs based on libnetpbm
+(most notably \fB-quiet\fP, see
+.UR index.html#commonoptions
+ Common Options
+.UE
+\&), \fBpbmtog3\fP recognizes the following
+command line options:
+
+
+.TP
+\fB-reversebits\fP
+This option causes the output to have the bits in every byte
+reversed so the least significant bit becomes the most significant bit.
+Some fax modems expect bits in reverse order, and this compensates for
+that. If you get a whole bunch of "bad code word" messages when you try
+to read the G3 file (e.g. with \fBg3topbm\fP), try using this option.
+Note that the output is not G3 when you use this option.
+
+.TP
+\fB-nofixedwidth\fP
+Most fax machines expect the image to be 1728 columns wide, so
+\fBpbmtog3\fP cuts the output to this width by default. If you want to
+keep the width of the original image, use this option.
+.sp
+This option was new in Netpbm 10.6 (July 2002). Before that,
+\fBpbmtog3\fP always kept the width of the original image.
+
+.TP
+\fB-align8\fP
+.TP
+\fB-align16\fP
+These options say to align output rows to 8-bit or 16-bit boundaries,
+respectively, by adding padding bits in front of EOL codes
+.sp
+Without these options, \fBpbmtog3\fP adds no padding and rows may begin
+and ends anywhere within a byte.
+.sp
+You cannot specify both.
+.sp
+These options were new in Netpbm 10.79 (June 2017).
+
+
+
+.UN seealso
+.SH SEE ALSO
+.BR "g3topbm" (1)\c
+\&,
+.BR "pamtotiff" (1)\c
+\&,
+.BR "pbm" (1)\c
+\&,
+.BR "fax formats" (1)\c
+\&
+
+.UN history
+.SH HISTORY
+.PP
+Before Netpbm 10.79 (June 2017), there was a different program by the same
+name in Netpbm, which was written by by Paul Haeberli
+<\fIpaul@manray.sgi.com\fP> in 1989
+and then modified extensively by others.
+.PP
+Akira Urushibata <afu@wta.att.ne.jp> wrote the current version, with
+an entirely different algorithm, in April 2017 and contributed his work to the
+public domain.
+.PP
+The current program is backward compatible with the pre-10.79 version.
+.SH DOCUMENT SOURCE
+This manual page was generated by the Netpbm tool 'makeman' from HTML
+source. The master documentation is at
+.IP
+.B http://netpbm.sourceforge.net/doc/pbmtog3.html
+.PP \ No newline at end of file