subplots not properly plotted

[danton267]

code:

for k = 1:4
    data = rand(1,10);
    subplot(2,2,k)
    stem(data)
end;
subplot(2,2,2,'replace');

results in: https://chart-studio.plotly.com/~danton267/1330/#/
source: 2nd plot here https://uk.mathworks.com/help/matlab/ref/subplot.html#btw2bg8-1

this does not work either: https://uk.mathworks.com/help/matlab/ref/subplot.html#bvnckvm-1
results in: https://chart-studio.plotly.com/~danton267/1334/#/

another: https://uk.mathworks.com/help/matlab/ref/subplot.html#btw2bht-1_1
results in: https://chart-studio.plotly.com/~danton267/1340/#/

[gilbertogalvis]

This issue was fixed with PR #406