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 binaryblocks
                                                                  
You can store any data in a block. I still recommend designing   
the data format to reserve the first line for a human readable   
description. Not doing so may cause problems with some of the    
supplied tools like +titles or +needs                            
                                                                 
E.g., for a binary format of drawing data I have the first row   
contain a type ID, title for the drawing, and other metadata.    
This is repeated for each block needed.