From dda29feda14f76708bfd555b947d1c2006594422 Mon Sep 17 00:00:00 2001
From: ccd0 <admin@containerchan.org>
Date: Sat, 7 May 2016 09:14:01 -0700
Subject: [PATCH] Fix shortening of filenames containing surrogate pairs.

---
 src/General/Build.coffee | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/General/Build.coffee b/src/General/Build.coffee
index 5a18e8a19..0d86800aa 100644
--- a/src/General/Build.coffee
+++ b/src/General/Build.coffee
@@ -9,10 +9,9 @@ Build =
       {'&amp;': '&', '&#039;': "'", '&quot;': '"', '&lt;': '<', '&gt;': '>', '&#44;': ','}[c]
 
   shortFilename: (filename) ->
-    threshold = 30
     ext = filename.match(/\.?[^\.]*$/)[0]
-    if filename.length - ext.length > threshold
-      "#{filename[...threshold - 5]}(...)#{ext}"
+    if filename.length - ext.length > 30
+      "#{filename.match(/(?:[\uD800-\uDBFF][\uDC00-\uDFFF]|[^]){0,25}/)[0]}(...)#{ext}"
     else
       filename