RDFString should handle $lang being null or empty on construction.
RDFString should handle $lang being null or empty on construction.

eregansu/eregansu,eregansu/wp-plugins,eregansu/install,eregansu/login,eregansu/silk,nexgenta/eregansu,eregansu/framework,eregansu/db,eregansu/gendoc,eregansu/default,eregansu/lib,eregansu/eregansu,nexgenta/eregansu,eregansu/setup