#text_file__document  (computer science) a computer file that contains text (and possibly formatting instructions) using 7-bit ASCII characters
  exclusion:  binary_file
  supertype:  computer_file  (computer science) a file maintained in computer-readable form
  subtype:  web_page__webpage  a document connected to the World Wide Web and viewable by anyone connected to the internet who has a web browser
  subtype:  ASCII_text_file  a text file that contains only ASCII characters without special formatting
     subtype:  source_code  program instructions written as an ASCII text file; must be translated by a compiler or interpreter or assembler into the object code for a particular computer before execution
  subtype:  plain_text_file
  subtype:  structured_text_file
     subtype:  HTML_file
  subtype:  encoded_text_file
     subtype:  postscript_file

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