This starting happening a few years ago when you re saved a message you copied and pasted.
Typically it was happening when we used . " " for a space
See above link for UTF-8 HTML character set
Test typing and saving this in a HPM
If using a text editor to write code, just set to UTF-8 and all characters will be correctly written for MFL
For multiple white space use CSS white-space:pre;
<div style="white-space:pre">ttttttt. . tttttttt</div>
All the scripts I post were created by Habman , with some small contributions from myself. The man has done an outstanding job giving the community a variety of options to enhance the site. Thank you sir !!