I am a Chinese user of LibreCAD. LibreCAD now can only display hollow lff fonts for Chinese(transformed from ttf Chinese fonts, only contours are showed), thus looks not so good. Two ways may be considered to make an improvement. First, try to render such hollow fonts to be solid. Second, try to develop single-line lff fonts for Chinese or similar languages. I love C++ programming and hope to do something about it, so I am eager to receive any suggestion about this topic.