function l = all_vars(s)% L = ALL_VARS(S) extracts variables from the list%% Nonlinear Filtering Toolbox version 2.0-rc4% Copyright (c) 1995 - 2007 NFT developement Team,%              Department of Cybernetics,%              University of West Bohemia in Pilsendel = ',';vars ={};remainder = s;while any(remainder)    [chop,remainder] = strtok(remainder,del);    vars{end+1} = chop;endl = vars;% CHANGELOG