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Before re-writable storage devices, such as tape drives, become popular for the DEC PDP-8, owners had to rely on paper tape. This was fine for loading programs on pre-punched tape, but left the problem of how to put new data onto punched tape and how to edit existing data. This could be done off-line, but a better way was to use DEC's Symbolic Editor. This made life much easier as it allowed you to interactively edit a tape in a buffer, check the alterations and then output a new tape. This editor was used for quite a few years by those wanting to edit Assembly or FORTRAN source code. What follows is a brief introduction to using this editor.
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