# File lib/asciidoctor/lexer.rb, line 1309 def self.is_single_line_section_title?(line1) if !line1.nil? && (line1.start_with?('=') || (COMPLIANCE[:markdown_syntax] && line1.start_with?('#'))) && (match = line1.match(REGEXP[:section_title])) single_line_section_level match[1] else false end end