syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // indicates that it's part of a UTF-8 char.
context_before:                 // For character in the chunk, see if its byte value is < 0, which
context_after:                 let multibyte_test = _mm_cmplt_epi8(chunk, _mm_set1_epi8(0));