I have experienced some problems with changing font size.
If I change the fontsize several times I end up with HTML like this:
<div style="FONT-SIZE: 24pt"><span style="FONT-SIZE: 12pt">
<div style="FONT-SIZE: 12pt"><span style="FONT-SIZE: 10pt">
<div style="FONT-SIZE: 12pt"></div></span>
</div></span>
</div>
What I did was type "test", Mark "test" av select 10pt, Mark "es" and select 12pt, Mark "test" and select 24pt, then delete "test".
Regards,
Zapotec