The submitted page says "U+9940 is not a valid unicode character.", but displays all the information about the character as usual. This is not the case for http

The submitted page says "U+9940 is not a valid unicode character.", but displays all the information about the character as usual. This is not the case for http://www.fileformat.info/info/unicode/char/4e00/index.htm http://www.fileformat.info/info/unicode/char/4e00/index.htm which is the first character of the CJK Unified Ideographs block that U+9940 is part of. https://en.wikipedia.org/wiki/CJK_Unified_Ideographs_(Unicode_block) https://en.wikipedia.org/wiki/CJK_Unified_Ideographs_(Unicod...