wildfire config.pro option documentation for: IGES_IN_DWG_LINE_FONT            

iges_in_dwg_line_font

yes, no

controls the import of user-defined line fonts.

• yesogives default names to user-defined line styles that do not have names. the names are in the order iges_1, iges_2, and so on.

• nooimports the user-defined line fonts as a solid line font.