From 11270a16b0352d6576200870d4ce29e90011974c Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Mon, 4 Nov 2019 06:28:49 +0000
Subject: [PATCH] Open questions updated

---
 doc/DESIGN.md | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/doc/DESIGN.md b/doc/DESIGN.md
index 009ce225..e574d55a 100644
--- a/doc/DESIGN.md
+++ b/doc/DESIGN.md
@@ -771,6 +771,10 @@ In order to extend the library with custom dimensions the user has to:
 9. `k`, `K`, `W`, `F` UDLs conflict with gcc GNU extensions (<https://gcc.gnu.org/onlinedocs/gcc-4.3.0/gcc/Fixed_002dPoint.html>)
     for floating point types.
 
-10. `J` imaginary constants are a GCC extension
+10. `J` UDL conflicts with imaginary constants GCC extension
 
-11. Do we need custom/multiple systems?
+11. `erg` (CGS energy) UDL conflicts with engineering syntax
+
+12. Do we need custom/multiple systems?
+
+13. How "moment of force" is different from "energy"?