[Issue 23706] New: Do not escape POSIX shell parameters unless necessary

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23706

          Issue ID: 23706
           Summary: Do not escape POSIX shell parameters unless necessary
           Product: D
           Version: D2
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: dlang-bugzilla at thecybershadow.net

We should apply the same idea as issue 13447 to POSIX shell escaping as well.

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