[dev-context] tabl-ntb.mkxl

Hi, -\tolerant\def\tabl_ntb_th[#1]#2\eTH +\tolerant\def\tabl_ntb_th[#1]#:#2\eTH {\tabl_ntb_td[#1,\c!color=\naturaltablelocalparameter\c!headcolor,\c!style=\naturaltablelocalparameter\c!headstyle,\c!aligncharacter=\v!no]#2\eTD} -\tolerant\def\tabl_ntb_tn[#1]#2\eTN +\tolerant\def\tabl_ntb_tn[#1]#:#2\eTN   {\tabl_ntb_td[#1]\digits#2\relax\eTD} Wolfgang