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OPTIONAL
SYNOPSIS
#include <sys/idn.h>

string idna_stringprep (string str, int profile, int flags = 0)

DESCRIPTION
Prepare the UTF-8 string <str> according to the stringprep
<profile> (see also libidn stringprep(3)).

<profile> and <flags> are one of the values defined in idn.h .

If an error occurs, an exception is thrown.

The efun is available only if the system supports libidn - in
that case __IDNA__ is defined.

HISTORY
Introduced in LDMud 3.3.713.

SEE ALSO
convert_charset(E), idna_to_ascii(E), idna_to_unicode(E)