08/09/28 22:15:10
スレ違いのような気もするが、Wikipediaによると次の理由があったのらしい。
the original URL syntax とやらの出典がないので真偽は不明。
URLﾘﾝｸ(en.wikipedia.org)
> On MS Windows systems, the normal colon (:) after a device letter has sometimes been
> replaced by a vertical bar (|) in file URLs. For example, to refer to file FOO.BAR in the
> top level directory of the C disk, the URL file:///C|/FOO.BAR was used. This reflected
> the original URL syntax, which made the colon a reserved character in a path part.