1 files changed, 9 insertions, 9 deletions

diff --git a/PolygLua.lua b/PolygLua.lua
index 727e62c..20925b7 100755
--- a/PolygLua.lua
+++ b/PolygLua.lua
@@ -29,13 +29,13 @@ local log = function(v, t, s)
     io.flush()
 end
 
--- This sets the global values, here and in the caller.
-D = function(s) log(4,  'DEBUG    ', s) end
-I = function(s) log(3,  'INFO     ', s) end
-T = function(s) log(2,  'TIMEOUT  ', s) end
-W = function(s) log(1,  'WARNING  ', s) end
-E = function(s) log(0,  'ERROR    ', s) end
-C = function(s) log(-1, 'CRITICAL ', s) end
+-- This sets the global values, here and in the caller.  The "_G." part isn't needed, it's just there to make things more obvious to the reader.
+_G.D = function(s)      log(4,  'DEBUG    ', s) end
+_G.I = function(s)      log(3,  'INFO     ', s) end
+_G.T = function(s)      log(2,  'TIMEOUT  ', s) end
+_G.W = function(s)      log(1,  'WARNING  ', s) end
+_G.E = function(s)      log(0,  'ERROR    ', s) end
+_G.C = function(s)      log(-1, 'CRITICAL ', s) end
 
 
 local optionsCommon =
@@ -190,7 +190,7 @@ _.readCmd = function(cmd)
 end
 
 
-__ = function(c)
+_G.__ = function(c)
     local exe = {status = 0, lines = {}, logging = false, showing = false, cmd = '', command = c, isScript = false, script = ''}
     local n = 0
 
@@ -201,7 +201,7 @@ __ = function(c)
             exe.cmd = exe.cmd .. l .. ' ; '
         end
     elseif 'string' == type(c) then
-        exe.isScript = ('#!' == c:sub(1,2)) and (n == 0)
+        exe.isScript = (n == 0) and ('#!' == c:sub(1,2))
         for l in string.gmatch(c, '\n*([^\n]+)\n*') do
             if '' ~= l then
                 if exe.isScript then