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Igor6J (Japanese) on MacOS 10.12 (Sierra) - Problem with controls
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hrodstein
This occurs because MacOS 10.12 does not include Osaka font.
This problem does not affect the English version of Igor6.
WORKAROUND
Install Osaka.ttf and OsakaMono.ttf in your /Library/Fonts folder. You can obtain these fonts from an older MacOS or download them from Apple. For downloading instructions, see https://support.apple.com/en-us/HT206872