Khaled Hosny d8e546df5f [subset] Allow LangSys tags in --layout-scripts
Allow specifying which LangSys tags to accept for each script, using
script.lang form. For example:

    --layout-scripts=arab.dflt,arab.URD,latn

To keep DefaultLangSys and “URD” language for “arab” script, and all
languages for “latn” script.
2020-11-20 23:38:29 +02:00
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