[pstricks] Issue with \psplotTangent* ?

[robert.fischer10 at arcor.de]

Hello,

\psplotTangent works normal. But with \psplotTangent* there seems to be a problem concerning the linewidth (at least for my system settings and the example below). 

\documentclass{minimal}
\usepackage{amsmath,amsfonts,amssymb}
\usepackage{txfonts}
\usepackage{pst-pdf}
\usepackage{pstricks-add}
\usepackage[mathstrut]{mattens}

\pagestyle{empty}

\begin{document}

\begin{pspicture}(0,0.3)(4.7,3.8)
%	\psgrid[gridcolor=gray,subgridcolor=lightgray]
	\def\Func{75 x mul sin 2 add}
	\psplot{0}{4}{\Func}
	\psplotTangent[arrowinset=0,arrowscale=1.5,arrows=->]{0.5}{1}{\Func}%OK
	\psplotTangent*[arrowinset=0,arrowscale=1.5,arrows=->]{1}{1}{\Func}%linewidth not default (to small)???
	\psplotTangent*[linewidth=20,arrowinset=0,arrowscale=1.5,arrows=->]{1.5}{1}{\Func}%no effect on linewidth???
\end{pspicture}

\end{document}

Attachments 
-M01-pics.pdf shows my output
-M01.log the package versions and running system information (I have updated the packages today)

Just want to find out, if the problem only appears for me or not.

Best Regards,
Robert.
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