Summary:

- Add markers to generated files to discourage manual edits.
- Add generated file to clang-format-ignore.
- Handle currently not supported Georgian characters in the Perl script.

Reviewers: jfkthame

Reviewed By: jfkthame

Bug #: 1533481

Differential Revision: https://phabricator.services.mozilla.com/D25269

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extra : rebase_source : cb485b400638790af9cbe24867d6a25505888459