usp10: Properly handle fonts with scripts without a default language.
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@ -924,10 +924,15 @@ static void GSUB_initialize_language_cache(LoadedScript *script)
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if (!script->language_count)
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{
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DWORD offset;
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const GSUB_Script* table = script->table;
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script->language_count = GET_BE_WORD(table->LangSysCount);
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script->default_language.tag = MS_MAKE_TAG('d','f','l','t');
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script->default_language.table = (const BYTE*)table + GET_BE_WORD(table->DefaultLangSys);
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offset = GET_BE_WORD(table->DefaultLangSys);
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if (offset)
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{
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script->default_language.tag = MS_MAKE_TAG('d','f','l','t');
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script->default_language.table = (const BYTE*)table + offset;
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}
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if (script->language_count)
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{
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