Whitespace abuse?

Even with length limit, it’s possible to post literally nothing in discourse.

  1. Is it possible to prevent it?
  2. Suppose that it can be prevented. Can the reply limit be decreased, e.g. to 1.

Example below using single nonbreaking space.


There are a zillion ways to post spaces in unicode, this has been discussed before – the real solution is to have rules that prevent it, and enforce them via education, warnings, and suspensions.