MSC: Comments geometry is wrong

There is also another thing that is wrong (perhaps related) with the size of the comments box. It seems ignored, and it seems behaves differently depending on the content of the comment:

I put (500, 400) to define a huge box But it is always small and the last part of the comment (ms) is not visible

Now if instead of the number I write some text:

Then it is rendered fully

ignoring the comment size is ok if the size would be adjusted automatically to make the text always fit. that would be better for the auto-generated comments for which it is difficult to know what width to compute