From 2fb43552da43a273a20f947f9be012c8427d8b70 Mon Sep 17 00:00:00 2001
From: Caleb Maclennan <caleb@alerque.com>
Date: Fri, 17 Apr 2020 15:15:02 +0300
Subject: [PATCH] chore(measurements): Allow casting a length from a glue
 (#850)

---
 core/length.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/length.lua b/core/length.lua
index b8482fcb0..298d937b1 100644
--- a/core/length.lua
+++ b/core/length.lua
@@ -19,6 +19,10 @@ return pl.class({
         self.length = SILE.measurement(spec)
       elseif SU.type(spec) == "measurement" then
         self.length = spec
+      elseif SU.type(spec) == "glue" then
+        self.length = SILE.measurement(spec.width.length or 0)
+        self.stretch = SILE.measurement(spec.width.stretch or 0)
+        self.shrink = SILE.measurement(spec.width.shrink or 0)
       elseif type(spec) == "table" then
         self.length = SILE.measurement(spec.length or 0)
         self.stretch = SILE.measurement(spec.stretch or 0)