Experiment-020.html added to wireframe directory
Experiment-020.html added to wireframe directory

The main evolution is a simplification of the code.
Note the embedded style.
The intent is that the editor will operate on one line at a time.

RichardAlexanderGreen/ProgrammingInSimpleEnglish,RichardAlexanderGreen/ProgrammingInSimpleEnglish,RichardAlexanderGreen/ProgrammingInSimpleEnglish