add a tech link for "path or string"
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@ -49,10 +49,11 @@ platform (not a string, and not a path for a different platform),
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@racket[#f] otherwise.}
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@defproc[(path-string? [v any/c]) boolean?]{
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Return @racket[#t] if @racket[v] is either a path value for the
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current platform or a non-empty string without nul characters,
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@racket[#f] otherwise.}
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Returns @racket[#t] if @racket[v] is either a @deftech{path
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or string}: either a path for the current platform or a
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non-empty string without nul characters. Returns @racket[#f]
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otherwise.
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}
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@defproc[(path-for-some-system? [v any/c]) boolean?]{
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