diff --git a/lib/isodoc/base_style/reset.scss b/lib/isodoc/base_style/reset.scss
index 99162520..a4161c0a 100644
--- a/lib/isodoc/base_style/reset.scss
+++ b/lib/isodoc/base_style/reset.scss
@@ -163,6 +163,9 @@ a.FootnoteRef, span.FootnoteRef {
   text-decoration: line-through;
 }
 
+ruby { ruby-position: over; -webkit-ruby-position: before;}
+ruby  ruby { ruby-position: under; -webkit-ruby-position: after; }
+
 /* code highlighting with line numbers */
 
 table.rouge-line-table td.rouge-gutter {
diff --git a/lib/isodoc/function/inline.rb b/lib/isodoc/function/inline.rb
index 45d223db..1202a2fc 100644
--- a/lib/isodoc/function/inline.rb
+++ b/lib/isodoc/function/inline.rb
@@ -155,6 +155,24 @@ def error_parse(node, out)
           p.b(role: "strong") { |e| e << text }
         end
       end
+
+      def ruby_parse(node, out)
+        out.ruby do |e|
+          node.children.each { |n| parse(n, e) }
+        end
+      end
+
+      def rt_parse(node, out)
+        out.rt do |e|
+          node.children.each { |n| parse(n, e) }
+        end
+      end
+
+      def rb_parse(node, out)
+        out.rb do |e|
+          node.children.each { |n| parse(n, e) }
+        end
+      end
     end
   end
 end
diff --git a/lib/isodoc/function/to_word_html.rb b/lib/isodoc/function/to_word_html.rb
index 0249dbe0..92f3603d 100644
--- a/lib/isodoc/function/to_word_html.rb
+++ b/lib/isodoc/function/to_word_html.rb
@@ -253,6 +253,9 @@ def parse(node, out)
           when "span" then span_parse(node, out)
           when "location" then location_parse(node, out)
           when "columnbreak" then columnbreak_parse(node, out)
+          when "ruby" then ruby_parse(node, out)
+          when "rt" then rt_parse(node, out)
+          when "rb" then rb_parse(node, out)
           else error_parse(node, out)
           end
         end
diff --git a/lib/isodoc/metadata.rb b/lib/isodoc/metadata.rb
index 889bc374..ca201323 100644
--- a/lib/isodoc/metadata.rb
+++ b/lib/isodoc/metadata.rb
@@ -106,12 +106,12 @@ def draftinfo(draft, revdate)
     end
 
     def version(isoxml, _out)
-      set(:edition, isoxml&.at(ns("//bibdata/edition#{NOLANG}"))&.text)
+      set(:edition, isoxml.at(ns("//bibdata/edition#{NOLANG}"))&.text)
       set(:edition_display,
-          isoxml&.at(ns("//bibdata/edition#{currlang}"))&.text)
-      set(:docyear, isoxml&.at(ns("//bibdata/copyright/from"))&.text)
-      set(:draft, isoxml&.at(ns("//bibdata/version/draft"))&.text)
-      revdate = isoxml&.at(ns("//bibdata/version/revision-date"))&.text
+          isoxml.at(ns("//bibdata/edition#{currlang}"))&.text)
+      set(:docyear, isoxml.at(ns("//bibdata/copyright/from"))&.text)
+      set(:draft, isoxml.at(ns("//bibdata/version/draft"))&.text)
+      revdate = isoxml.at(ns("//bibdata/version/revision-date"))&.text
       set(:revdate, revdate)
       set(:revdate_monthyear, monthyr(revdate))
       set(:draftinfo,
@@ -119,7 +119,7 @@ def version(isoxml, _out)
     end
 
     def title(isoxml, _out)
-      main = isoxml&.at(ns("//bibdata/title[@language='#{@lang}']"))&.text
+      main = isoxml.at(ns("//bibdata/title[@language='#{@lang}']"))&.text
       set(:doctitle, main)
     end
 
diff --git a/lib/isodoc/presentation_function/inline.rb b/lib/isodoc/presentation_function/inline.rb
index 86f078d5..c7f95098 100644
--- a/lib/isodoc/presentation_function/inline.rb
+++ b/lib/isodoc/presentation_function/inline.rb
@@ -137,6 +137,22 @@ def extract_custom_charsets(docxml)
       end
     end
 
+    def ruby(docxml)
+      (docxml.xpath(ns("//ruby")) - docxml.xpath(ns("//ruby//ruby")))
+        .each do |r|
+        ruby1(r)
+      end
+    end
+
+    def ruby1(elem)
+      v = elem.at(ns("./pronunciation | ./annotation")).remove
+      elem.xpath(ns("./ruby")).each do |r|
+        ruby1(r)
+      end
+      t = elem.children.to_xml
+      elem.replace("<ruby><rb>#{t}</rb><rt>#{v['value']}</rt></ruby>")
+    end
+
     private
 
     def found_matching_variant_sibling(node)
diff --git a/lib/isodoc/presentation_xml_convert.rb b/lib/isodoc/presentation_xml_convert.rb
index 67ae3032..289fd083 100644
--- a/lib/isodoc/presentation_xml_convert.rb
+++ b/lib/isodoc/presentation_xml_convert.rb
@@ -86,6 +86,7 @@ def inline(docxml)
       quotesource docxml # feeds docxml
       eref2link docxml
       mathml docxml
+      ruby docxml
       variant docxml
       identifier docxml
       date docxml
diff --git a/lib/isodoc/word_function/inline.rb b/lib/isodoc/word_function/inline.rb
index 01153d78..b232b77c 100644
--- a/lib/isodoc/word_function/inline.rb
+++ b/lib/isodoc/word_function/inline.rb
@@ -42,6 +42,15 @@ def imgsrc(node)
       end
 
       def image_parse(node, out, caption)
+        emf_attributes(node)
+        attrs = { src: imgsrc(node),
+                  height: node["height"], alt: node["alt"],
+                  title: node["title"], width: node["width"] }
+        out.img **attr_code(attrs)
+        image_title_parse(out, caption)
+      end
+
+      def emf_attributes(node)
         if emf = node.at(ns("./emf"))
           node["src"] = emf["src"]
           node["height"] ||= emf["height"]
@@ -49,11 +58,6 @@ def image_parse(node, out, caption)
           node["mimetype"] = "image/x-emf"
           node.children.remove
         end
-        attrs = { src: imgsrc(node),
-                  height: node["height"], alt: node["alt"],
-                  title: node["title"], width: node["width"] }
-        out.img **attr_code(attrs)
-        image_title_parse(out, caption)
       end
 
       def xref_parse(node, out)
@@ -73,6 +77,23 @@ def suffix_url(url)
 
         url.sub(/#{File.extname(url)}$/, ".doc")
       end
+
+      def ruby_parse(node, out)
+        if r = node.at(ns("./rb[ruby]"))
+          double_ruby = r.at(ns("./ruby/rt")).remove
+          r.replace(r.at(ns("./ruby/rb")))
+        end
+        out.ruby do |e|
+          node.children.each { |n| parse(n, e) }
+        end
+        double_ruby and out << "(#{double_ruby.text})"
+      end
+
+      def rt_parse(node, out)
+        out.rt **{ style: "font-size: 6pt;" } do |e|
+          node.children.each { |n| parse(n, e) }
+        end
+      end
     end
   end
 end
diff --git a/spec/isodoc/inline_spec.rb b/spec/isodoc/inline_spec.rb
index cdd26787..52fac4d1 100644
--- a/spec/isodoc/inline_spec.rb
+++ b/spec/isodoc/inline_spec.rb
@@ -1978,4 +1978,76 @@
     expect(xmlpp(IsoDoc::PresentationXMLConvert.new(presxml_options)
       .convert("test", input, true))).to be_equivalent_to xmlpp(output)
   end
+
+  it "processes ruby markup" do
+    input = <<~INPUT
+      <standard-document xmlns="https://www.metanorma.org/ns/standoc" type="semantic">
+      <preface>
+      <foreword id="A">
+      <p>
+      <ruby><pronunciation value="とうきょう"/>東京</ruby>
+      <ruby><pronunciation value="とうきょう" lang="ja" script="Hira"/>東京</ruby>
+      <ruby><pronunciation value="Tōkyō" script="Latn"/>東京</ruby>
+      <ruby><annotation value="ライバル"/>親友</ruby>
+      <ruby><pronunciation value="とう"/>東</ruby> <ruby><pronunciation value="きょう"/>京</ruby>
+      <ruby><pronunciation value="Tō" script="Latn"/>東</ruby><ruby><pronunciation value="kyō" script="Latn"/>京</ruby>
+
+
+      <ruby><pronunciation value="とう"/><ruby><pronunciation value="tou"/>東</ruby></ruby> <ruby><pronunciation value="なん"/><ruby><pronunciation value="nan"/>南</ruby></ruby> の方角
+      <ruby><pronunciation value="たつみ"/><ruby><pronunciation value="とう"/>東</ruby><ruby><pronunciation value="なん"/>南</ruby></ruby>
+      <ruby><pronunciation value="プロテゴ"/><ruby><pronunciation value="まも"/>護</ruby>れ</ruby>!
+      <ruby><pronunciation value="プロテゴ"/>れ<ruby><pronunciation value="まも"/>護</ruby></ruby>!</p>
+      </p>
+      </foreword></preface></standard-document>
+    INPUT
+    presxml = <<~OUTPUT
+      <standard-document xmlns="https://www.metanorma.org/ns/standoc" type="presentation">
+       <preface><clause type="toc" id="_" displayorder="1"><title depth="1">Table of contents</title></clause>
+          <foreword id="A" displayorder="2">
+            <p>
+            <ruby><rb>東京</rb><rt>とうきょう</rt></ruby><ruby><rb>東京</rb><rt>とうきょう</rt></ruby><ruby><rb>東京</rb><rt>Tōkyō</rt></ruby><ruby><rb>親友</rb><rt>ライバル</rt></ruby><ruby><rb>東</rb><rt>とう</rt></ruby><ruby><rb>京</rb><rt>きょう</rt></ruby><ruby><rb>東</rb><rt>Tō</rt></ruby><ruby><rb>京</rb><rt>kyō</rt></ruby><ruby><rb><ruby><rb>東</rb><rt>tou</rt></ruby></rb><rt>とう</rt></ruby><ruby><rb><ruby><rb>南</rb><rt>nan</rt></ruby></rb><rt>なん</rt></ruby> の方角
+       <ruby><rb><ruby><rb>東</rb><rt>とう</rt></ruby><ruby><rb>南</rb><rt>なん</rt></ruby></rb><rt>たつみ</rt></ruby>
+       <ruby><rb><ruby><rb>護</rb><rt>まも</rt></ruby>れ</rb><rt>プロテゴ</rt></ruby>!
+       <ruby><rb>れ<ruby><rb>護</rb><rt>まも</rt></ruby></rb><rt>プロテゴ</rt></ruby>!</p>
+             </p>
+           </foreword>
+         </preface>
+       </standard-document>
+    OUTPUT
+    html = <<~OUTPUT
+      #{HTML_HDR}
+             <br/>
+             <div id="A">
+               <h1 class="ForewordTitle">Foreword</h1>
+               <p><ruby><rb>東京</rb><rt>とうきょう</rt></ruby><ruby><rb>東京</rb><rt>とうきょう</rt></ruby><ruby><rb>東京</rb><rt>Tōkyō</rt></ruby><ruby><rb>親友</rb><rt>ライバル</rt></ruby><ruby><rb>東</rb><rt>とう</rt></ruby><ruby><rb>京</rb><rt>きょう</rt></ruby><ruby><rb>東</rb><rt>Tō</rt></ruby><ruby><rb>京</rb><rt>kyō</rt></ruby><ruby><rb><ruby><rb>東</rb><rt>tou</rt></ruby></rb><rt>とう</rt></ruby><ruby><rb><ruby><rb>南</rb><rt>nan</rt></ruby></rb><rt>なん</rt></ruby> の方角
+        <ruby><rb><ruby><rb>東</rb><rt>とう</rt></ruby><ruby><rb>南</rb><rt>なん</rt></ruby></rb><rt>たつみ</rt></ruby>
+        <ruby><rb><ruby><rb>護</rb><rt>まも</rt></ruby>れ</rb><rt>プロテゴ</rt></ruby>!
+        <ruby><rb>れ<ruby><rb>護</rb><rt>まも</rt></ruby></rb><rt>プロテゴ</rt></ruby>!</p>
+             </div>
+           </div>
+         </body>
+       </html>
+    OUTPUT
+    doc = <<~OUTPUT
+     <div>
+          <h1 class="ForewordTitle">Foreword</h1>
+        <p><ruby><rb>東京</rb><rt style="font-size: 6pt;">とうきょう</rt></ruby><ruby><rb>東京</rb><rt style="font-size: 6pt;">とうきょう</rt></ruby><ruby><rb>東京</rb><rt style="font-size: 6pt;">Tōkyō</rt></ruby><ruby><rb>親友</rb><rt style="font-size: 6pt;">ライバル</rt></ruby><ruby><rb>東</rb><rt style="font-size: 6pt;">とう</rt></ruby><ruby><rb>京</rb><rt style="font-size: 6pt;">きょう</rt></ruby><ruby><rb>東</rb><rt style="font-size: 6pt;">Tō</rt></ruby><ruby><rb>京</rb><rt style="font-size: 6pt;">kyō</rt></ruby><ruby><rb>東</rb><rt style="font-size: 6pt;">とう</rt></ruby>(tou)<ruby><rb>南</rb><rt style="font-size: 6pt;">なん</rt></ruby>(nan) の方角
+        <ruby><rb>東</rb><rt style="font-size: 6pt;">たつみ</rt></ruby>(とう)
+        <ruby><rb>護</rb><rt style="font-size: 6pt;">プロテゴ</rt></ruby>(まも)!
+        <ruby><rb>護</rb><rt style="font-size: 6pt;">プロテゴ</rt></ruby>(まも)!</p>
+      </div>  
+    OUTPUT
+    expect(xmlpp(strip_guid(IsoDoc::PresentationXMLConvert
+      .new(presxml_options.merge(output_formats: { html: "html", doc: "doc" }))
+      .convert("test", input, true))
+       .sub(%r{<metanorma-extension>.*</metanorma-extension>}m, "")
+       .sub(%r{<localized-strings>.*</localized-strings>}m, "")))
+      .to be_equivalent_to xmlpp(presxml)
+    expect(xmlpp(IsoDoc::HtmlConvert.new({})
+      .convert("test", presxml, true))).to be_equivalent_to xmlpp(html)
+    expect(xmlpp(IsoDoc::WordConvert.new({})
+      .convert("test", presxml, true)
+      .sub(/^.*<h1/m, "<div><h1").sub(%r{</div>.*$}m, "</div>")))
+      .to be_equivalent_to xmlpp(doc)
+  end
 end
diff --git a/spec/isodoc/metadata_spec.rb b/spec/isodoc/metadata_spec.rb
index fc81c752..2a931906 100644
--- a/spec/isodoc/metadata_spec.rb
+++ b/spec/isodoc/metadata_spec.rb
@@ -35,6 +35,9 @@
         <date type="vote-started"><on>2021</on></date>
         <date type="vote-ended"><on>2022</on></date>
         <date type="corrected"><on>2023</on></date>
+        <date type="adapted"><on>2024</on></date>
+        <date type="announced"><on>2025</on></date>
+        <date type="stable_until"><on>2026</on></date>
         <edition>2</edition><edition language="en">second edition</edition>
       <version>
         <revision-date>2016-05-01</revision-date>
@@ -129,7 +132,9 @@
     output = <<~OUTPUT
       {:accesseddate=>"2012",
       :activateddate=>"2013",
+      :adapteddate=>"2024",
       :agency=>"ISO",
+      :announceddate=>"2025",
       :authors=>["Barney Rubble", "Fred Flintstone", "B. B. Rubble"],
       :authors_affiliations=>{"Chief Engineer, Slate Inc., Hermeneutics Unit, Exegesis Subunit, Bedrock"=>["Barney Rubble"], ""=>["Fred Flintstone", "B. B. Rubble"]},
       :circulateddate=>"2015",
@@ -165,6 +170,7 @@
       :revdate=>"2016-05-01",
       :revdate_monthyear=>"May 2016",
       :script=>"Latn",
+      :stable_untildate=>"2026",
       :stage=>"Committee Draft",
       :stage_display=>"Committee Draft",
       :stageabbr=>"CD",
@@ -262,7 +268,9 @@
     INPUT
     output = <<~OUTPUT
       {:accesseddate=>"XXX",
+      :adapteddate=>"XXX",
       :agency=>"ISO/IEC/IEEE",
+      :announceddate=>"XXX",
       :circulateddate=>"XXX",
       :confirmeddate=>"XXX",
       :copieddate=>"XXX",
@@ -294,6 +302,7 @@
       :revdate=>"2016-05",
       :revdate_monthyear=>"May 2016",
       :script=>"Latn",
+      :stable_untildate=>"XXX",
       :stage=>"Published",
       :stage_display=>"Published",
       :subdivision=>"Subdivision",
@@ -336,7 +345,9 @@
     INPUT
     output = <<~OUTPUT
       {:accesseddate=>"XXX",
+      :adapteddate=>"XXX",
       :agency=>"NAME1/NAME",
+      :announceddate=>"XXX",
       :circulateddate=>"XXX",
       :confirmeddate=>"XXX",
       :copieddate=>"XXX",
@@ -350,6 +361,7 @@
       :publisher=>"NAME1 and NAME",
       :receiveddate=>"XXX",
       :script=>"Latn",
+      :stable_untildate=>"XXX",
       :transmitteddate=>"XXX",
       :unchangeddate=>"XXX",
       :unpublished=>true,
@@ -440,7 +452,9 @@
     INPUT
     output = <<~OUTPUT
       {:accesseddate=>"XXX",
+      :adapteddate=>"XXX",
       :agency=>"ISO/IEC",
+      :announceddate=>"XXX",
       :circulateddate=>"XXX",
       :confirmeddate=>"XXX",
       :copieddate=>"XXX",
@@ -463,6 +477,7 @@
       :revdate=>"2016-05",
       :revdate_monthyear=>"Mai 2016",
       :script=>"Latn",
+      :stable_untildate=>"XXX",
       :stage=>"Committee Draft",
       :stage_display=>"Projet De Comité",
       :stageabbr=>"CD",
diff --git a/spec/isodoc/presentation_xml_spec.rb b/spec/isodoc/presentation_xml_spec.rb
index 3b08cd61..1cb93ce5 100644
--- a/spec/isodoc/presentation_xml_spec.rb
+++ b/spec/isodoc/presentation_xml_spec.rb
@@ -1851,13 +1851,13 @@
        </foreword></preface></standard-document>
     INPUT
     presxml = <<~OUTPUT
-           <standard-document xmlns="https://www.metanorma.org/ns/standoc" type="presentation">
-       <presentation-metadata><custom-charset-font>weather:"OGC Weather Symbols",conscript:"Code 2000"</custom-charset-font></presentation-metadata>
-         <preface><clause type="toc" id="_" displayorder="1"><title depth="1">Table of contents</title></clause>
+          <standard-document xmlns="https://www.metanorma.org/ns/standoc" type="presentation">
+      <presentation-metadata><custom-charset-font>weather:"OGC Weather Symbols",conscript:"Code 2000"</custom-charset-font></presentation-metadata>
+        <preface><clause type="toc" id="_" displayorder="1"><title depth="1">Table of contents</title></clause>
 
-           <foreword id="A" displayorder="2">
-             <p id="_"><span custom-charset="weather" style=";font-family:&quot;OGC Weather Symbols&quot;">&#xFD80;</span></p>
-        </foreword></preface></standard-document>
+          <foreword id="A" displayorder="2">
+            <p id="_"><span custom-charset="weather" style=";font-family:&quot;OGC Weather Symbols&quot;">&#xFD80;</span></p>
+       </foreword></preface></standard-document>
     OUTPUT
     expect(strip_guid(IsoDoc::PresentationXMLConvert
       .new(presxml_options)
@@ -1887,7 +1887,6 @@
              <preprocess-xslt format="html">
                <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="http://www.w3.org/1999/xhtml" version="1.0">
                  <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="no"/>
-                 <xsl:strip-space elements="*"/>
                  <xsl:template match="@* | node()">
                    <xsl:copy>
                      <xsl:apply-templates select="@* | node()"/>
@@ -1906,7 +1905,6 @@
              <preprocess-xslt format="doc">
                <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="http://www.w3.org/1999/xhtml" version="1.0">
                  <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="no"/>
-                 <xsl:strip-space elements="*"/>
                  <xsl:template match="@* | node()">
                    <xsl:copy>
                      <xsl:apply-templates select="@* | node()"/>