[pstricks] multido

[Zbigniew Nitecki]

The following code
****************************************************************
		\multido{\rt=-0.5+0.1}{11}{%
			\psline[linecolor=gray](-0.5,\rt\space)(0.5, \rt\space)%
			\psline[linecolor=gray](\rt\space 3.5 add, -0.5)(\rt\space 3.5 add,  
0.5)%
		}
*********************************************************************
leads to the error message
> ! Illegal unit of measure (pt inserted).
> <to be read again>
>                    3
> l.139 		}
>
(l.139 refers to the closing brace of the multido)

Where is my (probably silly) mistake?


Zbigniew Nitecki
Department of Mathematics
Tufts University
Medford, MA 02155

telephones:
Office    (617)627-3843
Dept.    (617)627-3234
Dept. fax    (617)627-3966
http://www.tufts.edu/~znitecki/

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