CIFS_NLS = 'big5|cp1250|cp1251|cp1255|cp437|cp737|cp775|cp850|cp852|cp855|cp857|cp860|cp861|cp862|cp863|cp864|cp865|cp866|cp869|cp874|cp932|cp936|cp949|cp950|euc-jp|euc-kr|gb2312|iso8859-13|iso8859-14|iso8859-15|iso8859-1|iso8859-2|iso8859-3|iso8859-4|iso8859-5|iso8859-6|iso8859-7|iso8859-8|iso8859-9|koi8-r|koi8-ru|koi8-u|sjis|tis-620|utf8'
          : 'use a valid codepage'