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There should be no spaces within a hyphenated word. For example: ex-husband.Note in the example that there are no spaces before and after the hyphen.
None!
In the case of a hyphenated word, none. In the case of a hyphen used as a dash, once before and once after.
2
2
0 spaces before and after a dash
One.
123
None. 8:00, 5:15 -- no spaces.
One space is sufficient.
None
Just one