netcdf ref_string {
dimensions:
	d2 = 2 ;
variables:
	char c(d2) ;
	string v(d2) ;
	string truncated ;
		truncated:_nczarr_maxstrlen = 4 ;

// global attributes:
		string :stringattr = "abc", "def" ;
		:charattr = "ghijkl" ;
		:_nczarr_default_maxstrlen = 6 ;
data:

 c = "ab" ;

 v = "uvw", "xyz" ;

 truncated = "0123" ;
}