Problem with </>

The does not seems to work. It seems that I should click on it to work directly in html code. But it doesn't. For example, if I click on and then type Hello world! in standard paragraph tags, the output is not in code characters but uses html special characters instead, especially square brackets.

Reproduce the problem in the Pell editor by using the control and entering “Hello world!” in standard paragraph tags. Trace the formatting behavior that produces HTML special characters instead of code characters, then verify that the control produces the expected code formatting without requiring direct HTML editing.

Written by the indexing model from the issue text.