From 32af3095f810c25d402b8d00917051cc832d63f6 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Sun, 3 Jan 2021 00:41:12 +0100
Subject: [PATCH] =?UTF-8?q?Fix=20performance=20regression=20=E2=9A=A1?=
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---
 src/eval/state.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/eval/state.rs b/src/eval/state.rs
index 9cdafaf2e..7860c0048 100644
--- a/src/eval/state.rs
+++ b/src/eval/state.rs
@@ -12,7 +12,7 @@ use crate::paper::{Paper, PaperClass, PAPER_A4};
 #[derive(Debug, Clone, PartialEq)]
 pub struct State {
     /// The scope that contains variable definitions.
-    pub scope: Scope,
+    pub scope: Rc<Scope>,
     /// The current page state.
     pub page: StatePage,
     /// The current paragraph state.
@@ -28,7 +28,7 @@ pub struct State {
 impl Default for State {
     fn default() -> Self {
         Self {
-            scope: crate::library::_std(),
+            scope: Rc::new(crate::library::_std()),
             page: StatePage::default(),
             par: StatePar::default(),
             font: StateFont::default(),