Thanks very much.  I'd prefer a color but this may work well enough. I can get some color with lcolor() for the outline of the bars.
EGW
>I think this has come up before, but I couldn't
>find an answer in the archives.
>
>I find that -bcolor(none)- suffices to make the
>lines fully visible. That's not a solution if
>you want some other -bcolor()-.
>
>Nick
>[email protected]
>
>Eric G. Wruck
> 
>> I am generating a histogram but want to superimpose  additional lines
>> for certain values on the x-axis.  However, the additional line is
>> basically hidden behind one of the histogram bars, only appearing
>> from the top of the bar to the top of the graph.  Is there a way to
>> bring the additional line to the top so that it is drawn on top of
> > the histogram?
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