Opening an AutoCAD 2000 format file. Loading Modeler DLLs. Substituting [ROMAB___.TTF] for [romb____.pfb]. Substituting [SANSS___.TTF] for [sas_____.pfb]. Substituting [SANSSBO_.TTF] for [sasbo___.pfb]. Regenerating model. AutoCAD menu utilities loaded. AutoCAD Express Tools Menu loaded. I just reinstall AutoCAD 2000,last time I never seen "Substituting...etc",my question is why displayed as like that,what meaning it,can you help me,thanks