Missing '{': write 'group Some feature #1 {' and close it with '}'    
                                                                                          
                    Missing '{': write 'group Some sub-feature #1 {' and close it with '}'
                                                                                          
                    'end group' is deprecated: close the group with '}' instead           
                                                                                          
                                                                                          
                                                                                          
                                                                                          
                                                         Variable #1 assign               
                                                                                          
                                                                                          
                                                                                          
                             Some sub-feature #1                                          
                                                                                          
                                                                                          
                                                         Variable #1 assign               
                                                                                          
                                                                                          
                                                                                          
                                                                                          
                             Some sub-feature #1                                          
                                                                                          
                                                                                          
                                                         Variable #1 assign