NULL & CR are duplicate glyphs

[prakashDiana]

• Provide a general summary of the issue in the Title above.
• Before you open an issue, please check if a similar issue already exists or has been closed before.

Important

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When reporting a bug/issue:

• Screenshot
  No.
• The FontForge version and the operating system you're using
• The behavior you expect to see, and the actual behavior
• Steps to reproduce the behavior
  by using these duplicate glyphs

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• A description of the problem you're trying to solve, including why you think this is a problem
• If the feature changes current behavior, reasons why your solution is better

MtOlive-Regular.ttf

[iorsh]

Could you please clarify what is the actual problem here? Does the resulting font work incorrectly? In which operating system? Is it a non-conformance to a specification? Please also attach the font, if possible.