From 65d3870ed9f83b3962404512e668f54559789a1b Mon Sep 17 00:00:00 2001
From: Hans Hagen <pragma@wxs.nl>
Date: Tue, 10 Jul 2012 00:14:00 +0200
Subject: beta 2012.07.10 00:14

---
 tex/context/base/font-ctx.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'tex/context/base/font-ctx.lua')

diff --git a/tex/context/base/font-ctx.lua b/tex/context/base/font-ctx.lua
index fa6708d0c..a7dcd6edd 100644
--- a/tex/context/base/font-ctx.lua
+++ b/tex/context/base/font-ctx.lua
@@ -1428,7 +1428,8 @@ function helpers.dimenfactor(unit,tfmdata) -- could be a method of a font instan
     elseif unit == "em" then
         return (tfmdata and tfmdata.parameters.em_width) or 655360
     else
-        return dimenfactors[unit] or unit
+        local du = dimenfactors[unit]
+        return du and 1/du or tonumber(unit) or 1
     end
 end
 
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