[gtk+/wip/matthiasc/font-variations: 47/62] css: Document font-variation-settings

[Matthias Clasen <matthiasc src gnome org>]

commit 4fde546fc563ef72383f0a5c4085ae22a3786c3b
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Dec 22 23:09:19 2017 -0500

    css: Document font-variation-settings

 docs/reference/gtk/css-properties.xml |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/css-properties.xml b/docs/reference/gtk/css-properties.xml
index 42837b0..a2000dd 100644
--- a/docs/reference/gtk/css-properties.xml
+++ b/docs/reference/gtk/css-properties.xml
@@ -327,6 +327,15 @@ We use <literallayout> for syntax productions, and each line is put in a <code>
               <entry><ulink 
url="https://www.w3.org/TR/css3-fonts/#font-feature-settings-prop";>CSS3</ulink></entry>
               <entry></entry>
             </row>
+            <row>
+              <entry>font-variation-settings</entry>
+              <entry><code>normal | [ 〈string〉〈number〉]&num;</code></entry>
+              <entry>normal</entry>
+              <entry>✓</entry>
+              <entry>✓</entry>
+              <entry><ulink 
url="https://www.w3.org/TR/css-fonts-4/#font-variation-settings-def";>CSS4</ulink></entry>
+              <entry></entry>
+            </row>
           </tbody>
         </tgroup>
         <tgroup cols="5">