> I'll keep looking a bit, but at this point it doesn't seem to have > anything to do with the antiblink feature. I might be wrong, but I > think that only shows up first in the messages buffer because it's > unlucky enough to be one of the first users of syntax-ppss after a > command.
I confirmed that I can reproduce the problem with 27.1.90. Although the recipe seems complicated, I see the problem quite often when I work with LaTeX-mode. I still have to stick on 26.3. I appreciate if the problem would be fixed.