Redis keys are not escaped

check_keys_escaped.lua

pcall(require, 'luarocks.require')

local sidereal = require 'sidereal' -- sudo luarocks install sidereal --from=http://luarocks.org/repositories/rocks-cvs

--------------------------------------------------------------------------------
-- Some value printing code
--------------------------------------------------------------------------------

require 'lua-nucleo.module' -- sudo luarocks install lua-nucleo
require 'lua-nucleo.strict'

local tstr = import 'lua-nucleo/tstr.lua' { 'tstr' } -- Lua value to string

local N = 1
local P = function(...) print(N .. ":", tstr(assert(...))); N = N + 1 end

--------------------------------------------------------------------------------
-- Connect to Redis
--------------------------------------------------------------------------------

local R = assert(sidereal.connect("localhost", 6379))

--------------------------------------------------------------------------------
-- This should not fail
--------------------------------------------------------------------------------

P (R:exists("yada yada"))

--[[
lua: check_keys_escaped.lua:15: wrong number of arguments for 'exists' command
stack traceback:
	[C]: in function 'assert'
	check_keys_escaped.lua:15: in function 'P'
	check_keys_escaped.lua:27: in main chunk
	[C]: ?
--]]