It looks like 50 Fathoms needs updating for font issues in FGU.
Some examples:
“starter”
—the Savage Land—
Unicode equivalents would be:
LEFT DOUBLE QUOTATION MARK
RIGHT DOUBLE QUOTATION MARK
EM DASH
Attachment 42905
There's also an extra space before the period:
"including why they’re aboard the Rebecca ."
Attachment 42906