In the rule “Penmanship”, change the text

While the font HTML remains in place, that blog post is considered to contain Ink of that colour.

to

While the font HTML remains in place, that blog post is considered to contain Ink of that colour, and to have that colour for the purpose of dynastic rules.

Add a new subrule to the rule “Penmanship”.  Call it “Highlighting” and give it the following text:

At any time, a Student may edit one of their Story Posts that is less than a week old by changing the ink color of Black text in that post to their Pen Colour.