[Lazarus] PlotFunction patch declined?

[Werner Pamler]

Am 07.11.2017 um 15:11 schrieb Alexey via Lazarus:
> Can you add to FPC some example which uses this engine?
>> (fpc)\source\packages\fcl-base\src\fpexprpars.pp

http://wiki.lazarus.freepascal.org/How_To_Use_TFPExpressionParser

And, of course, the TPlotExpressionPanel (the other component in the 
package "lazplotfunction") is a nice application of it (see 
TExpressionControlPlotter.Create, .SetExpression, and .CalcFunction).