1Requirements for adding new orth file:
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3* we are following up to the locale name, 2 or 3 letter code
4  in ISO 639 and ISO 3166-1 alpha-2 code to determine a
5  filename. if it's not yet available, in advance, you
6  should get it fixed in glibc or so.
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8* Please add a reference URL (written in English as far as
9  possible) into the orth file that explains the code
10  coverage for the certain language. this would helps to
11  review if it has enough coverage.
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13* no need to add all of the codepoints for the certain
14  language. good enough if it covers most frequently used
15  codepoints in it.
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17To update existing orth files:
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19* Please make sure how the changes affects to the existing
20  fonts and no regressions except it is expected behavior.
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22* Please add any reference URL in bugzilla or any
23  explanation why it needs to be added/removed and also why
24  current orth file doesn't work.
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26* Please provide a test case what fonts are supposed to be
27  accepted against the change and what fonts aren't.
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