From 712cc4dbe52093cab55e99347ca354d4e9755cfc Mon Sep 17 00:00:00 2001
From: Claude Meny <claude.meny@irap.omp.eu>
Date: Thu, 29 Apr 2021 14:32:44 +0200
Subject: [PATCH] Update
 00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/50.structure-example/40.n4/textbook.en.md

---
 .../50.structure-example/40.n4/textbook.en.md                  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/50.structure-example/40.n4/textbook.en.md b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/50.structure-example/40.n4/textbook.en.md
index cf25c6e8c..e9434bf9f 100644
--- a/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/50.structure-example/40.n4/textbook.en.md
+++ b/00.brainstorming-pedagogical-teams/45.synthesis-structuring/40.electromagnetism/50.structure-example/40.n4/textbook.en.md
@@ -7,7 +7,8 @@ lessons:
     - slug: structure-example-234-electromagnetism
       order: 3
 ---
-
+<!--caligraphie de l'intégrale double curviligne-->
+$`\def\oint{\displaystyle\mathop{{\int}\mkern-16mu \scriptsize \bigcirc}}`$
 
 #### Guidance to structure this level 4