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Allow '+' char in blessMime See this one [1] for an example [1] - http://www.w3.org/TR/SVGTiny12/mimereg.html
author Sergey Mironov <grrwlf@gmail.com>
date Thu, 05 Jun 2014 20:36:12 +0000
parents 318ba997a149
children
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fun isNone [a] (x : option a) =
    case x of
        None => True
      | Some _ => False