nput:"(",tag:"mo",output:"(",atval:"1",ttype:STRETCHY},{input:"[",tag:"mo",output:"[",atval:"1",ttype:STRETCHY},{input:"\\lbrack",tag:"mo",output:"[",atval:"1",ttype:STRETCHY},{input:"\\{",tag:"mo",output:"{",atval:"1",ttype:STRETCHY},{input:"\\lbrace",tag:"mo",output:"{",atval:"1",ttype:STRETCHY},{input:"\\langle",tag:"mo",output:"\u2329",atval:"1",ttype:STRETCHY},{input:"\\lfloor",tag:"mo",output:"\u230A",atval:"1",ttype:STRETCHY},{input:"\\lceil",tag:"mo",output:"\u2308",atval:"1",ttype:STRETCHY},{input: