Opened NICNT to John 3:16, had Info window open with "hover" option. Hovered over the word "God's" in the third sentence of the commentary. Resulting text in Info window had unprintable characters in it:

Clicked on NSGBW to jumped to the source of that text, New Strong's Guide to Bible Words, to see what those characters were supposed to be and they were just the Greek Strong's number 2316, not even some Greek font:

Not sure why this wouldn't be able to be displayed in the Info window.