From 216ce8c991729625779732c77c5467d062fa36d6 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Fri, 3 Nov 2017 18:48:58 +0000
Subject: [PATCH] [Minor] Avoid NaN values

---
 lualib/meta_functions.lua | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lualib/meta_functions.lua b/lualib/meta_functions.lua
index 1394204c15..1c6d2cc2bc 100644
--- a/lualib/meta_functions.lua
+++ b/lualib/meta_functions.lua
@@ -255,8 +255,14 @@ local function meta_words_function(task)
     short_words,
     ret_len,
   }
+
+  local divisor = 1.0
+  if #tp > 0 then
+    divisor = tp
+  end
+
   for _,wr in ipairs(wres) do
-    table.insert(ret, wr / #tp)
+    table.insert(ret, wr / divisor)
   end
 
   return ret
-- 
2.47.3