From 5217db79ce7db2a2d6e95483d3f6d9dad462a476 Mon Sep 17 00:00:00 2001
From: hackademix
Date: Mon, 9 Jul 2018 00:09:34 +0200
Subject: Content-side DOM insertions made compatible with XML document.

---
 src/content/PlaceHolder.js      | 8 ++++----
 src/content/content.js          | 4 ++++
 src/content/onScriptDisabled.js | 2 +-
 3 files changed, 9 insertions(+), 5 deletions(-)

(limited to 'src/content')

diff --git a/src/content/PlaceHolder.js b/src/content/PlaceHolder.js
index 37c0198..ce579c2 100644
--- a/src/content/PlaceHolder.js
+++ b/src/content/PlaceHolder.js
@@ -87,23 +87,23 @@ var PlaceHolder = (() => {
       this.origin = new URL(url).origin;
       let TYPE = `<${this.policyType.toUpperCase()}>`;
 
-      let replacement = document.createElement("a");
+      let replacement = createHTMLElement("a");
       replacement.className = "__NoScript_PlaceHolder__";
       cloneStyle(element, replacement);
       replacement.style.backgroundImage = `url(${ICON_URL})`;
       replacement.href = url;
       replacement.title = `${TYPE}@${url}`;
 
-      let inner = replacement.appendChild(document.createElement("span"));
+      let inner = replacement.appendChild(createHTMLElement("span"));
       inner.className = replacement.className;
 
-      let button = inner.appendChild(document.createElement("button"));
+      let button = inner.appendChild(createHTMLElement("button"));
       button.className = replacement.className;
       button.setAttribute("aria-label", button.title = _("Close"));
       button.value = "close";
       button.textContent = "🗙";
 
-      let description = inner.appendChild(document.createElement("span"));
+      let description = inner.appendChild(createHTMLElement("span"));
       description.textContent = `${TYPE}@${this.origin}`;
 
       replacement._placeHolderObj = this;
diff --git a/src/content/content.js b/src/content/content.js
index 5ba5076..a74aa0c 100644
--- a/src/content/content.js
+++ b/src/content/content.js
@@ -2,6 +2,10 @@
 
  // debug = () => {}; // XPI_ONLY
 
+function createHTMLElement(name) {
+  return document.createElementNS("http://www.w3.org/1999/xhtml", name);
+}
+
 var _ = browser.i18n.getMessage;
 
 var canScript = true;
diff --git a/src/content/onScriptDisabled.js b/src/content/onScriptDisabled.js
index 2c1c59c..45f1534 100644
--- a/src/content/onScriptDisabled.js
+++ b/src/content/onScriptDisabled.js
@@ -1,7 +1,7 @@
 function onScriptDisabled() {
   for (let noscript of document.querySelectorAll("noscript")) {
     // force show NOSCRIPT elements content
-    let replacement = document.createElement("no-script");
+    let replacement = createHTMLElement("no-script");
     replacement.innerHTML = noscript.innerHTML;
     noscript.parentNode.replaceChild(replacement, noscript);
     // emulate meta-refresh
-- 
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