fix domain search by nsLdhName using unicode nsLdhName
change private method into public medthod for DomainUtil.isLdh
return 400
fix domain search by nsLdhName using unicode nsLdhName
change private method into public medthod for DomainUtil.isLdh
return 400
edit domain search by nsLdhName validate ldhname
Merge pull request #449 from xuyao/dev

fix domain search by nsLdhName using unicode nsLdhName