layout the graph.
.PP
\fBstart=\fIval\fR. Adjusts the random initial placement of nodes
-with no specified position. If \fIval\fP is is an integer,
+with no specified position. If \fIval\fP is an integer,
it is used as the seed for the random number generator.
If \fIval\fP is not an integer, a random system\(hygenerated integer,
such as the process ID or current time, is used as the seed.
.PP
\fB\-y\fR invert y coordinate in output.
.PP
+\fB\-o\fIfile\fR write output to \fIfile\fP.
+.PP
+\fB\-x\fP reduce graph.
+.PP
+\fB\-Lg\fP don't use grid.
+.PP
+\fB\-LO\fP use old attractive force.
+.PP
+\fB\-Ln\fIi\fR set number of iterations to \fIi\fP.
+.PP
+\fB\-LU\fIi\fR set unscaled factor to \fIi\fP.
+.PP
+\fB\-LC\fIv\fR set overlap expansion factor to \fIv\fP.
+.PP
+\fB\-LT\fR[*]\fIv\fR set temperature (temperature factor) to \fIv\fP.
+.PP
\fB\-V\fP (version) prints version information and exits.
.PP
\fB\-?\fP prints the usage and exits.
.PP
\fB\-O\fP automatically generate output filenames based on the input filename and the \-T format.
.PP
+\fB\-o\fIfile\fR write output to \fIfile\fP.
+.PP
+\fB\-x\fP reduce graph.
+.PP
+\fB\-Lg\fP don't use grid.
+.PP
+\fB\-LO\fP use old attractive force.
+.PP
+\fB\-Ln\fIi\fR set number of iterations to \fIi\fP.
+.PP
+\fB\-LU\fIi\fR set unscaled factor to \fIi\fP.
+.PP
+\fB\-LC\fIv\fR set overlap expansion factor to \fIv\fP.
+.PP
+\fB\-LT\fR[*]\fIv\fR set temperature (temperature factor) to \fIv\fP.
+.PP
\fB\-v\fP (verbose) prints various information useful for debugging.
.PP
\fB\-V\fP (version) prints version information and exits.
.PP
\fB\-O\fP automatically generate output filenames based on the input filename and the \-T format.
.PP
+\fB\-o\fIfile\fR write output to \fIfile\fP.
+.PP
+\fB\-x\fP reduce graph.
+.PP
+\fB\-Lg\fP don't use grid.
+.PP
+\fB\-LO\fP use old attractive force.
+.PP
+\fB\-Ln\fIi\fR set number of iterations to \fIi\fP.
+.PP
+\fB\-LU\fIi\fR set unscaled factor to \fIi\fP.
+.PP
+\fB\-LC\fIv\fR set overlap expansion factor to \fIv\fP.
+.PP
+\fB\-LT\fR[*]\fIv\fR set temperature (temperature factor) to \fIv\fP.
+.PP
\fB\-v\fP (verbose) prints various information useful for debugging.
.PP
\fB\-V\fP (version) prints version information and exits.
.TP
.BI \-v
Verbose mode.
+.TP
+.BI \-?
+Prints the usage and exits.
.SH EXAMPLES
.PP
Applying
unflatten \- adjust directed graphs to improve layout aspect ratio
.SH SYNOPSIS
.B unflatten
-[\fB\-f\fR]
+[\fB\-f?\fR]
[\fB\-l\fIlen\fR]
[\fB\-c\fIlen\fR
] [
.BI \-o " outfile"
causes the output to be written to the specified file; by default,
output is written to \fBstdout\fP.
+.TP
+.BI \-?
+Prints the usage and exits.
.SH OPERANDS
The following operand is supported:
.TP 8