Fix wyciwyg URLs

Ported from uMatrix.

1 files changed, 9 insertions, 0 deletions

diff --git a/js/tab.js b/js/tab.js
index 09bbef8..2d6af4a 100644
--- a/js/tab.js
+++ b/js/tab.js
@@ -50,6 +50,15 @@ var ηm = ηMatrix;
         return 'http://' + this.behindTheSceneScope + '/';
     }
 
+    // https://github.com/gorhill/uMatrix/issues/992
+    if (pageURL.startsWith('wyciwyg:')) {
+	// Matches strings like 'wyciwyg://101/'
+	let filter = /^wyciwyg:\/\/\d+\//.exec(pageURL);
+	if (filter) {
+	    pageURL = pageURL.slice(filter[0].length);
+	}
+    }
+
     // If the URL is that of our "blocked page" document, return the URL of
     // the blocked page.
     if ( pageURL.lastIndexOf(vAPI.getURL('main-blocked.html'), 0) === 0 ) {