# File lib/asciidoctor/parser.rb, line 1674 def self.is_single_line_section_title?(line1) first_char = line1 ? line1.chr : nil if (first_char == '=' || (Compliance.markdown_syntax && first_char == '#')) && (match = AtxSectionRx.match(line1)) single_line_section_level match[1] else false end end