This LISP program (23Kb) checks the current drawing and creates an HTML report. System variables are checked as well as a several other elements in the drawing, like symbol tables and layer 0 usage. About one hundred parameters are checked, some are local parameters, others registry settings. In no circumstances your drawing is modified! Any oddity is reported, the last section of the report gives advices according to certain parameters on the best way to organise your drawings. Details: [URL]http://www.cadxp.info/sujetXForum-509.htm[/URL] webmaster [URL]http://www.cadxp.info/[/URL]