# File lib/asciidoctor/document.rb, line 545 def apply_attribute_value_subs(value) if value.match(REGEXP[:pass_macro_basic]) # copy match for Ruby 1.8.7 compat m = $~ subs = [] if !m[1].empty? subs = resolve_subs(m[1]) end if !subs.empty? apply_subs(m[2], subs) else m[2] end else apply_header_subs(value) end end