We i n t r o d u c e s e v e r a l g e n e r a l n o t i o n s concerning the texts and the particularities of text processing on a computer support, in relation to some problems which are specific to M(A)T. And we present the solution we have proposed for the duration of the EUROTRA project. text is either paper with figures, formulas, tables and typographical conventions, or a magnetic support containing, in addition, formatting and page-setting commands for a special text processing system. .
