There’s a zero-width space (U+200B) in front of "this".

There’s a soft hyphen (U+00AD) in the middle.

normal space vs full-width space vs multiple spaces

““this is a curly quote”” ‘‘this is a single curly quote’’

「Japanese brackets」『Japanese double brackets』【Chinese square brackets】〔special brackets〕

…this is a Chinese ellipsis… ⋯this is another type of ellipsis⋯ ...this is three English periods...

—this is an em dash— –this is an en dash– -this is a hyphen-

×this is a multiplication sign× ÷this is a division sign÷ ±this is a plus-minus sign±

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