Maybe this is totally normal but I just found it strange:
If you type a post " blaa blaa... <!--more> blaa blaa... "
my whole front page turned to bold i.e. strong?!
it works fine with:
" blaa blaa... <!--more> blaa blaa... "
so one can not span the attribute over the <more>.
Using 2.6 and Neoclassical theme.