From 8c5b9ad7a43452dd729b066ea7818e2a7436a149 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maximilian=20Ke=C3=9Fler?= <git@maximilian-kessler.de>
Date: Mon, 27 Jun 2022 17:03:35 +0200
Subject: [PATCH] load missing decorations library for tikz-cd

---
 src/math/mathfig/mathfig.pysty | 40 ++++++++++++++++++----------------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/src/math/mathfig/mathfig.pysty b/src/math/mathfig/mathfig.pysty
index d791492..95e1191 100644
--- a/src/math/mathfig/mathfig.pysty
+++ b/src/math/mathfig/mathfig.pysty
@@ -8,7 +8,7 @@ __HEADER__(Math figures with TikZ / pgfplots / xy)
 \pgfplotsset{compat=1.7}
 
 \RequirePackage{tikz} % Plots / drawings
-\usetikzlibrary{calc, intersections, through, quotes, angles, babel, positioning, snakes}
+\usetikzlibrary{calc, intersections, through, quotes, angles, babel, positioning, snakes, decorations.markings}
 
 \RequirePackage{tikz-cd} %Commutative diagrams
 \RequirePackage{xparse}
@@ -47,24 +47,26 @@ __HEADER__(Math figures with TikZ / pgfplots / xy)
 %% Fix for equal arrows in tikz, see
 % https://tex.stackexchange.com/questions/443017/equal-arrows-without-transparent-ends-possible-in-tikzcd
 
-\usetikzlibrary{decorations.markings}
 \tikzset {
-  double line with arrow/.style args=
-    { #1, #2 }
-    { decorate, decoration =
-      {
-        markings,
-        mark = at position 0 with
-          {
-            \coordinate (ta-base-1) at (0,1pt);
-            \coordinate (ta-base-2) at (0,-1pt);
-          },
-        mark = at position 1 with
-          {
-            \draw[#1] (ta-base-1) -- (0,1pt);
-            \draw[#2] (ta-base-2) -- (0,-1pt);
-          }
-       }
-     }
+  double line with arrow/.style args = 
+    {#1,#2}%
+    {
+      decorate, decoration =
+        {
+          markings,
+          mark = at position 0 with
+            {
+              \coordinate (ta-base-1) at (0,1pt);
+              \coordinate (ta-base-2) at (0,-1pt);
+            }
+          ,
+          mark = at position 1 with
+            {
+              \draw[#1] (ta-base-1) -- (0,1pt);
+              \draw[#2] (ta-base-2) -- (0,-1pt);
+            }
+        }
+    }
 }
+
 \tikzset{Equal/.style={-,double line with arrow={-,-}}}