To make it fully comparable across reactions at a glance, the histograms should have the same domain. If not, one has to look at the values drawn in the axis, which is not that good for publishing since the numbers are very small.
We need to decide between:
the histograms of a side share the domain;
make it configurable (requires some x-scaling wrangling again); or
leave as is since the global scale may not allow to see anything at all.
To make it fully comparable across reactions at a glance, the histograms should have the same domain. If not, one has to look at the values drawn in the axis, which is not that good for publishing since the numbers are very small.
We need to decide between: