From 4e7a2cb00b8ce10d65d6fcab94d4b17fbc5e59d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maximilian=20Ke=C3=9Fler?= <git@maximilian-kessler.de>
Date: Wed, 13 Oct 2021 20:08:41 +0200
Subject: [PATCH] add \chainbullet operator

---
 src/math/mathsymb.pysty | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/math/mathsymb.pysty b/src/math/mathsymb.pysty
index 372ec07..0e36737 100644
--- a/src/math/mathsymb.pysty
+++ b/src/math/mathsymb.pysty
@@ -36,5 +36,12 @@ __HEADER__(Some extra math-related symbols.)
 
 %Make circled symbols
 \newcommand*\circled[1]{\tikz[baseline=(char.base)]{
-            \node[shape=circle,draw,inner sep=2pt] (char) {#1};}}
+    \node[shape=circle,draw,inner sep=2pt] (char) {#1};}
+}
+
+% When dealing with chain complexes, one often uses a bullet as placeholder for the index to mean the whole chain:
+\newcommand\chainpullet{\bullet}
+
+
+