Fix_size on cell "b" not working

Below is a test html file. I’m using 5.0 Pro and would like to have the cell “b” a fixed size and when resizing the page cell “a” increased/decreased as needed. Any assistance would be appreciated:

fullscreen_inner2.html (1.0 KB)

Please, try to add:
myLayout.setAutoSize(“a;b”, “a”);
to your config.
Here is the detailed tutorial about this autoSizing patterns:
And here is the updated demo:

yes, this works as well