Partial update of __pltopt__.m

[John W. Eaton]

On  2-Jan-2005, Daniel J Sebald <address@hidden> wrote:

| I did some plots with symbols and found them to be out of date with 
| current gnuplot.  Attached is a diff file for __pltopt1__.m in the plot 
| script directory that I think should realign things.  The symbol @ by 
| itself is now a solid dot (an extra symbol from before the change), and 
| + x o * are as expected.  That's five symbols.

Doesn't the actual symbol used depend on the terminal type?

jwe