CXF Files

Posted by ubiquitous on
URL: https://forum.librecad.org/CXF-Files-tp5716746.html

The wiki states one feature of LibreCAD as:
Opening and saving .dxf,.cxf,and.lff
I understand .dxf as (AutoCAD) drawing interchange format, and .lff as LibreCAD's font format but what is .cxf? Is it color exchange format and is it, therefore the basis for the color palette used in LibreCAD?