Add Firefox versions for SVGMissingGlyphElement API (#7726)

This PR adds real values for Firefox for the SVGMissingGlyphElement API, based upon results from the [mdn-bcd-collector](https://mdn-bcd-collector.appspot.com) project (v1.1.6). Results are manually confirmed for accuracy. Tests Used: https://mdn-bcd-collector.appspot.com/tests/api/SVGMissingGlyphElement
mdn · Dec 14, 2020 · b509535 · b509535
1 parent 85fb12e
commit b509535
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/api/SVGMissingGlyphElement.json b/api/SVGMissingGlyphElement.json
@@ -14,10 +14,10 @@
             "version_added": null
           },
           "firefox": {
-            "version_added": null
+            "version_added": false
           },
           "firefox_android": {
-            "version_added": null
+            "version_added": false
           },
           "ie": {
             "version_added": false