[Issue 3347] New: std.stdio.writeln attempts to print illegal unicode characters

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3347

           Summary: std.stdio.writeln attempts to print illegal unicode
                    characters
           Product: D
           Version: 2.034
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: bugzilla at digitalmars.com


--- Comment #0 from Walter Bright <bugzilla at digitalmars.com> 2009-09-26 14:55:59 PDT ---
The following program:

import std.stdio;
import std.c.stdio;

void main()
{
    dchar d;
    printf("%x\n", d);
    writeln(d);
}

correctly shows that d is initialized to \uFFFF, an illegal Unicode character,
but writeln attempts to print it anyway as a character.

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