string and text handling value description nd nl no zs numberdecimal digit numberletter numberother separatorspace separatorline separatorparagraph othercontrol otherformat othersurrogate otherprivate use othernot assigned lettermodifier letterother punctuationconnector punctuationdash punctuationopen punctuationclose punctuationinitial quote punctuationfinal quote punctuationother symbolmath symbolcurrency symbolmodifier symbolother zl zp cc cf cs co cn lm lo pc pd ps pe pi pf po sm sc sk so combining(unichrreturns an integer describing the combining class for unichr or if no combining class is defined one of the following values is returnedvalue description - spacingsplitenclosingreordrantand tibetan subjoined overlays and interior nuktas hiragana/katakana voicing marks viramas fixed-position classes below left attached below attached below right attached left attached right attached above left attached above attached above right attached lib fl ff