Test parsing of CSS surrogate pairs.

SUCCESS

Rules from the stylesheet:

#a61_a { color: red; }
#b61_a { color: green; }
#a65530_￺ { color: red; }
#b65530_￺ { color: green; }
#a65532_￼ { color: red; }
#b65532_￼ { color: green; }
#a65533_� { color: red; }
#b65533_� { color: green; }
#a65536_𐀀 { color: red; }
#b65536_𐀀 { color: green; }
#a119558_𝌆 { color: red; }
#b119558_𝌆 { color: green; }
Expected result:

#a61_a { color: red; }
#b61_a { color: green; }
#a65530_￺ { color: red; }
#b65530_￺ { color: green; }
#a65532_￼ { color: red; }
#b65532_￼ { color: green; }
#a65533_� { color: red; }
#b65533_� { color: green; }
#a65536_𐀀 { color: red; }
#b65536_𐀀 { color: green; }
#a119558_𝌆 { color: red; }
#b119558_𝌆 { color: green; }