Posted by sankey on Apr 20, 2018; 6:44pm
URL: https://forum.librecad.org/Inside-horizontal-dimensions-tp5715827p5715927.html

FWIW, I was doing some testing of LibreCAD DXF files with Autodesk Viewer (viewer.autodesk.com), and noticed that general scaling influenced fixed extension lines.  So, we can be quite sure that Autodesk wants this to be true, even if they did not write it explicitly :)