The footnote defines "blanks"

And you even quoted that footnote already, so in theory, I should have read it. It's apparently too late on a Friday for my brain. ;-)

In reply to Re^5: Problem with escape sequence \x for hex with spaces "\x{ 263A }" by pryrt
in thread Problem with escape sequence \x for hex with spaces "\x{ 263A }" by LanX

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