R version 2.13.0 (2011-04-13)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i486-pc-linux-gnu (32-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> x <- c(135094,135411,135698,135880,135891,135971,136173,136358,136514,136506,136711,136891,137094,137182,137400,137479,137620,137687,137638,137612,137681,137772,137899,137983,137996,137913,137841,137656,137423,137245,137014,136747,136313,135804,135002,134383,133563,132837,132041,131381,130995,130493,130193,129962,129726,129505,129450,129320,129281,129246,129438,129715,130173,129981,129932,129873,129844,130015,130108,130260)
> par20 = ''
> par19 = ''
> par18 = ''
> par17 = ''
> par16 = ''
> par15 = ''
> par14 = ''
> par13 = ''
> par12 = ''
> par11 = ''
> par10 = ''
> par9 = ''
> par8 = ''
> par7 = ''
> par6 = ''
> par5 = ''
> par4 = '12'
> par3 = 'monthly time series of unemployment in USA'
> par2 = 'bureau of labour statistics'
> par1 = 'employment time series'
> ylab = 'value'
> xlab = 'index or time'
> postscript(file="/var/wessaorg/rcomp/tmp/1e1u11322594221.ps",horizontal=F,onefile=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(x,col=2,type='b',main=main,xlab=xlab,ylab=ylab)
Error in as.graphicsAnnot(main) : object 'main' not found
Calls: plot ... plot.default -> localTitle -> title -> as.graphicsAnnot
Execution halted