Required files
asciidoctor/core_ext/nil_or_empty
asciidoctor/core_ext/regexp/is_match
asciidoctor/core_ext/string/limit_bytesize
asciidoctor/core_ext/1.8.7/io/write
asciidoctor/core_ext/1.8.7/hash/key
asciidoctor/core_ext/1.8.7/io/binread
asciidoctor/core_ext/1.8.7/io/write
asciidoctor/core_ext/1.8.7/string/chr
asciidoctor/core_ext/1.8.7/string/limit_bytesize
asciidoctor/core_ext/1.8.7/symbol/empty
asciidoctor/core_ext/1.8.7/symbol/length