Unity 2022.3.4f1
Open a new project → Create UI->Text - TextMeshPro → Import TMP Essentials
When I simply enter
, it looks like this
However,when I change the LiberationSans SDF.asset like this
it turns out to be like this
How weird! The “mark” tag doesn’t make sence at all! Anyone can explain this pls?
also,when I cahnge the LiberationSans SDF.asset like this
it turns out to be like this

I cannot get rid of this! It looks like so strange and makes me MAD!