Some characters, when placed in a line, cause other characters in the line to change... I'm not quite sure of specifics, or what determines whether this will happen, but if someone else does, please feel free to weigh in.
Here's a
screenshot to demonstrate what I mean -- In this case, I used $chr(6108)
Notice in the line below Normal Text, how the font changes up until some letters are reached, after which, the font reverts back to normal.
