<Ul> <Li> Radicals </Li> <Li> Classification </Li> </Ul> <Tr> <Th> Variants </Th> </Tr> <Tr> <Td> <Table> <Tr> <Th> Character - form standards </Th> </Tr> <Tr> <Td> <Ul> <Li> <Ul> <Li> Kangxi Dictionary </Li> <Li> Xin Zixing </Li> </Ul> </Li> <Li> General Standard Chinese Characters (PRC) </Li> <Li> Graphemes of Commonly - used Chinese Characters (Hong Kong) </Li> <Li> Standard Typefaces for Chinese Characters (ROC Taiwan) </Li> </Ul> </Td> </Tr> <Tr> <Th> Grapheme - usage standards </Th> </Tr> <Tr> <Td> <Ul> <Li> Graphemic variants </Li> <Li> General Standard Characters (PRC) </Li> <Li> Jōyō kanji (Japan) </Li> </Ul> </Td> </Tr> <Tr> <Th> Previous standards </Th> </Tr> <Tr> <Td> <Ul> <Li> Commonly - used Characters (PRC) </Li> <Li> Frequently - used Characters (PRC) </Li> <Li> Tōyō kanji (Japan) </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Th> Character - form standards </Th> </Tr> <Tr> <Td> <Ul> <Li> <Ul> <Li> Kangxi Dictionary </Li> <Li> Xin Zixing </Li> </Ul> </Li> <Li> General Standard Chinese Characters (PRC) </Li> <Li> Graphemes of Commonly - used Chinese Characters (Hong Kong) </Li> <Li> Standard Typefaces for Chinese Characters (ROC Taiwan) </Li> </Ul> </Td> </Tr> <Tr> <Th> Grapheme - usage standards </Th> </Tr> <Tr> <Td> <Ul> <Li> Graphemic variants </Li> <Li> General Standard Characters (PRC) </Li> <Li> Jōyō kanji (Japan) </Li> </Ul> </Td> </Tr> <Tr> <Th> Previous standards </Th> </Tr> <Tr> <Td> <Ul> <Li> Commonly - used Characters (PRC) </Li> <Li> Frequently - used Characters (PRC) </Li> <Li> Tōyō kanji (Japan) </Li> </Ul> </Td> </Tr> </Table>

What chinese emperor established a standardized written language