- char-set:printingconstant
A printing character is one that would occupy space when printed, i.e., a graphic character or a space character. char-set:printing is the union of char-set:whitespace and char-set:graphic.
A printing character is one that would occupy space when printed, i.e., a graphic character or a space character. char-set:printing is the union of char-set:whitespace and char-set:graphic.