From c214ba809b11a7f129dd6dd7b448a69a81733ad6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ne=C4=8Dada?= <marek@necada.org>
Date: Tue, 25 Jun 2019 11:36:54 +0300
Subject: [PATCH] Ewald notes load amsmath always to avoid problems with \sgn

Former-commit-id: 97c32b76814a4a4dbf514315869c238016e17346
---
 notes/ewald.lyx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/notes/ewald.lyx b/notes/ewald.lyx
index 0b32a2e..984a880 100644
--- a/notes/ewald.lyx
+++ b/notes/ewald.lyx
@@ -76,7 +76,7 @@ theorems-starred
 \pdf_pdfusetitle true
 \papersize a5paper
 \use_geometry true
-\use_package amsmath 1
+\use_package amsmath 2
 \use_package amssymb 1
 \use_package cancel 1
 \use_package esint 1