Fixed copy/paste errors in API documentation
Implemented feature request #10643 (allow legend font editing)

Change-Id: I41a599644f086332e5369dae3bd5281458fc8fad
Merge topic '10643_chart_legend_properties' into next

21808c43 Implemented feature request #10643 (allow legend font editing)
0e6d8f5f Fixed copy/paste errors in API documentation