Performance: do not call XMLString::stringLen if just for the purpose of checking zero-length string.
Performance: do not call XMLString::stringLen if just for the purpose of checking zero-length string.


git-svn-id: 3ec853389310512053d525963cab269c063bb453@174418 13f79535-47bb-0310-9956-ffa450edef68

AaronNGray/xerces,AaronNGray/xerces,AaronNGray/xerces,AaronNGray/xerces