anchor.diff:  local INSTALL_LUA = false
   local USE_MINGW = false
   local REGISTRY = false
  +local NOADMIN = false
   
   ---
   -- Some helpers
  
positive.code: 		while farg:sub(1,1) == " " do farg = farg:sub(2,-1) end	-- remove prefix spaces
  	end
  end
  
  local i = 1
  while i <= #arg do
  
negative.code: local function mkdir (dir)
  	return exec([[.\bin\bin\mkdir -p "]]..dir..[[" >NUL]])
  end
  
  -- does the current user have admin priviledges ( = elevated)
  local function permission()
  	return exec("net session >nul 2>&1") -- fails if not admin
  end
  
  
  -- interpolate string with values from 'vars' table
  local function S (tmpl)
  