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6. Extensions Supported in the COBOL Compiler

  1. COPY Recursive copy is fully supported with replace at all levels. Warning issued if used. The standard only forbids copies within copies.
  2. Line Length The right margin is at (2**31)-1 or the end of line whichever is first, unless the R-margin option is specified.
  3. Replacing Identifier The recognition of 'identifier' in the REPLACING from clause is more lenient than in the standard. For example, function names need not be valid. This extension is not flagged.

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