[NTG-context] \typefile and "width" (number of spaces) for '\t'

Hello, is there a way to specify width for a tabulator ('\t') being read in a text file during \typefile command? E.g. 10 spaces... Best regards, Lukas -- Ing. Lukáš Procházka | mailto:LPr@pontex.cz Pontex s. r. o. | mailto:pontex@pontex.cz | http://www.pontex.cz Bezová 1658 147 14 Praha 4 Tel: +420 241 096 751 Fax: +420 244 461 038