This is word of Mr. "nicolas.mailhot@gmail.com"
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19. Fonts that do not pass fontlint sanity checks
☛ Fontforge's fontlint¹ test suite found problems in some files included in
the package. Those problems may not be obvious and only manifest as strange
behaviour in specific applications (making them hard to debug). For that
reason it is recommanded to report those problems upstream and get them
fixed, even if the font file seems to work fine most of the time.
You can ask help about specific fontlint errors on:
https://lists.sourceforge.net/lists/listinfo/fontforge-users
¹ http://fontforge.sourceforge.net/fontlint.html
I will warn you again if I find problems next time I am ran.
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Please check file, if can remove those warning
Tar File with Errors