This is a really minor suggestion, but would really help me when editing large posts.
Can the character sequence:
...be made not to turn into the smiley 😞? It does this consistently on save if there's a style switch before it.
For example, I can't do this without the smiley appearing once I hit 'Save', regardless how often I replace it:
And my current work-around is to e.g. move the style switch to a different location in the text, if I can: