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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 "Ppmbrighten User Manual" 0 "09 August 2020" "netpbm documentation"
+
+.SH NAME
+
+ppmbrighten - replaced by pambrighten
+
+.SH DESCRIPTION
+.PP
+This program is part of
+.BR "Netpbm" (1)\c
+\&.
+.PP
+Starting with Netpbm 10.86 (March 2019), \fBppmbrighten\fP is
+obsolete. Use
+.BR "\fBpambrighten\fP" (1)\c
+\& instead.
+
+\fBpambrighten\fP is mostly backward compatible with \fBppmbrighten\fP. You
+can use the \fBpambrighten\fP manual for \fBppmbrighten\fP as long as you
+ignore features that were added after Netpbm 10.86.
+.PP
+One way in which \fBpambrighten\fP is not backward compatible is that
+ \fBpambrighten\fP does not have a \fB-normalize\fP option. If you want
+ that function, use \fBpnmnorm\fP on the image before passing it to
+ \fBpambrighten\fP.
+.PP
+Another backward incompatibility is that \fBpambrighten\fP produces the
+ same kind of output as the input, whereas \fBppmbrighten\fP always
+ produces PPM. If you need PPM output, pass the results through
+ \fBppmtoppm\fP.
+.PP
+\fBppmbrighten\fP is currently implemented as a triviel program that
+ invokes \fBpambrighten\fP, \fBpnmnorm\fP, and \fBppmtoppm\fP.
+
+.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/ppmbrighten.html
+.PP \ No newline at end of file