beta 2013.07.31 20:23

1 files changed, 2 insertions, 2 deletions

diff --git a/tex/context/base/l-boolean.lua b/tex/context/base/l-boolean.lua
index f087f1a4c..8d11080e7 100644
--- a/tex/context/base/l-boolean.lua
+++ b/tex/context/base/l-boolean.lua
@@ -59,9 +59,9 @@ end
 
 function string.is_boolean(str,default)
     if type(str) == "string" then
-        if str == "true" or str == "yes" or str == "on" or str == "t" then
+        if str == "true" or str == "yes" or str == "on" or str == "t" or str == "1" then
             return true
-        elseif str == "false" or str == "no" or str == "off" or str == "f" then
+        elseif str == "false" or str == "no" or str == "off" or str == "f" or str == "0" then
             return false
         end
     end