nl_tokens: Chunks given string into pieces making each chunk less or equal to OPTIONS . lineWidth taking into account safe word - break
pl_tokens: function chunk ( str , maxLen ) { var len = maxLen || OPTIONS . lineWidth ; var curr = len ; var prev = 0 ; var out = [ ] ; while ( str [ curr ] ) { if ( str [ curr ++ ] == ' ' ) { out . push ( str . substring ( prev , curr ) ) ; prev = curr ; curr += len ; } } out . <mask> ( str . substr ( prev ) ) ; return out ; }