inline.rb in asciidoctor-iso-0.7.1

- old
+ new

@@ -1,6 +1,7 @@
 require "asciidoctor/extensions"
+require "HTMLEntities"
 
 module Asciidoctor
   module ISO
     module Inline
       def refid?(x)
@@ -63,11 +64,10 @@
       def inline_footnote(node)
         noko do |xml|
           @fn_number += 1
           xml.fn **{ reference: @fn_number } do |fn|
             fn.p { |p| p << node.text }
-            footnote_style(node, node.text)
           end
         end.join("\n")
       end
 
       def inline_break(node)
@@ -83,20 +83,32 @@
 
       def thematic_break(_node)
         noko { |xml| xml.hr }.join("\n")
       end
 
+      def stem_parse(text, xml)
+        if /&lt;([^:>&]+:)?math(\s+[^>&]+)?&gt; |
+          <([^:>&]+:)?math(\s+[^>&]+)?>/x.match? text
+          math = HTMLEntities.new.encode(text, :basic, :hexadecimal).
+            gsub(/&amp;gt;/, ">").gsub(/\&amp;lt;/, "<").gsub(/&amp;amp;/, "&").
+            gsub(/&gt;/, ">").gsub(/&lt;/, "<").gsub(/&amp;/, "&")
+          xml.stem math, **{ type: "MathML" }
+        else
+          xml.stem text, **{ type: "AsciiMath" }
+        end
+      end
+
       def inline_quoted(node)
         noko do |xml|
           case node.type
           when :emphasis then xml.em node.text
           when :strong then xml.strong node.text
           when :monospaced then xml.tt node.text
           when :double then xml << "\"#{node.text}\""
           when :single then xml << "'#{node.text}'"
           when :superscript then xml.sup node.text
           when :subscript then xml.sub node.text
-          when :asciimath then xml.stem node.text, **{ type: "AsciiMath" }
+          when :asciimath then stem_parse(node.text, xml)
           else
             case node.role
               # the following three are legacy, they are now handled by macros
             when "alt" then xml.admitted { |a| a << node.text }
             when "deprecated" then xml.deprecates { |a| a << node.text }