From 35821952ab7285bfdc646fa934c36a3b0508fbcf Mon Sep 17 00:00:00 2001
From: ccd0 <admin@containerchan.org>
Date: Fri, 9 Feb 2018 10:49:15 -0800
Subject: [PATCH] Broken pages can push error indicator icon into the body.

---
 src/site/SW.yotsuba.coffee | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/site/SW.yotsuba.coffee b/src/site/SW.yotsuba.coffee
index f2035638f..8ad7dda4e 100644
--- a/src/site/SW.yotsuba.coffee
+++ b/src/site/SW.yotsuba.coffee
@@ -62,6 +62,7 @@ SW.yotsuba =
   isThisPageLegit: ->
     # not 404 error page or similar.
     location.hostname is 'boards.4chan.org' and
+    d.doctype and
     !$('link[href*="favicon-status.ico"]', d.head) and
     d.title not in ['4chan - Temporarily Offline', '4chan - Error', '504 Gateway Time-out', 'MathJax Equation Source']