From be1895793371bbde4f72fee2c9ee7cb52550fb1c Mon Sep 17 00:00:00 2001
From: XhmikosR <xhmikosr@gmail.com>
Date: Mon, 14 Sep 2020 19:43:47 -0700
Subject: [PATCH] Backport 65d130fbd85abd8143c553e75e24bc5a11d36877

Mention the quotes requirement in the docs too
---
 site/docs/4.5/getting-started/theming.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/site/docs/4.5/getting-started/theming.md b/site/docs/4.5/getting-started/theming.md
index 32f83f3080..bc8095792d 100644
--- a/site/docs/4.5/getting-started/theming.md
+++ b/site/docs/4.5/getting-started/theming.md
@@ -225,7 +225,7 @@ You can also specify a base color with our color map functions:
 
 #### Escape SVG
 
-We use the `escape-svg` function to escape the `<`, `>` and `#` characters for SVG background images. These characters need to be escaped to properly render the background images in IE.
+We use the `escape-svg` function to escape the `<`, `>` and `#` characters for SVG background images. These characters need to be escaped to properly render the background images in IE. When using the `escape-svg` function, data URIs must be quoted.
 
 #### Add and Subtract functions
 
-- 
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