[Issue 4598] New: std.xml check is too restrictive

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4598

           Summary: std.xml check is too restrictive
           Product: D
           Version: D2
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: kroeplin.d at googlemail.com


--- Comment #0 from Mario Kroeplin <kroeplin.d at googlemail.com> 2010-08-08 07:28:17 PDT ---
The check function of std.xml requires each XML document to begin with an XML
declaration <?xml ...
According to the specification
http://www.w3.org/TR/2008/REC-xml-20081126/#NT-prolog, however, the XML
declaration is optional!
The check function should not throw for well-formed XML documents like
    <Root/>

The following trivial change fixes the issue:
in function checkProlog replace
    checkXMLDecl(s);
with
    opt!(checkXMLDecl)(s);
(at line 2249 inD 2.047)

Then, the by-the-book implementation conforms to the XML specification.

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