diff --git a/extensions/lang-english/icon.svg b/extensions/lang-english/icon.svg
index 097ef910c..147e73ee9 100644
--- a/extensions/lang-english/icon.svg
+++ b/extensions/lang-english/icon.svg
@@ -1,12 +1,10 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 60 30" width="1200" height="600">
-<clipPath id="t">
-  <path d="M30,15 h30 v15 z v15 h-30 z h-30 v-15 z v-15 h30 z"/>
-</clipPath>
-<path d="M0,0 v30 h60 v-30 z" fill="#00247d"/>
-<path d="M0,0 L60,30 M60,0 L0,30" stroke="#fff" stroke-width="6"/>
-<path d="M0,0 L60,30 M60,0 L0,30" clip-path="url(#t)" stroke="#cf142b" stroke-width="4"/>
-<path d="M30,0 v30 M0,15 h60" stroke="#fff" stroke-width="10"/>
-<path d="M30,0 v30 M0,15 h60" stroke="#cf142b" stroke-width="6"/>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30" width="1200" height="600">
+  <clipPath id="a">
+    <path d="M30 15h30v15zv15H0zH0V0zV0h30z"/>
+  </clipPath>
+  <path d="M0 0v30h60V0z" fill="#00247d"/>
+  <path d="M0 0l60 30m0-30L0 30" stroke="#fff" stroke-width="6"/>
+  <path d="M0 0l60 30m0-30L0 30" clip-path="url(#a)" stroke="#cf142b" stroke-width="4"/>
+  <path d="M30 0v30M0 15h60" stroke="#fff" stroke-width="10"/>
+  <path d="M30 0v30M0 15h60" stroke="#cf142b" stroke-width="6"/>
 </svg>