diff --git a/news/changelog-1.7.md b/news/changelog-1.7.md
index 2d11fa630cc..e193ac3b9ea 100644
--- a/news/changelog-1.7.md
+++ b/news/changelog-1.7.md
@@ -17,3 +17,7 @@ All changes included in 1.7:
   This also provides a new public function `quarto.utils.is_empty_node`
   that allows to check whether a node is empty, i.e., whether it's an
   empty list, has no child nodes, and contains no text.
+
+## Other Fixes and Improvements
+
+- ([#11643](https://github.com/quarto-dev/quarto-cli/issues/11643)): Improve highlighting of nested code block inside markdown code block, i.e. using ` ```{{python}} ` or ` ```python ` inside ` ````markdown` fenced code block.
diff --git a/src/resources/pandoc/syntax-definitions/markdown.xml b/src/resources/pandoc/syntax-definitions/markdown.xml
index 5da3a9bce8e..3e077a70556 100644
--- a/src/resources/pandoc/syntax-definitions/markdown.xml
+++ b/src/resources/pandoc/syntax-definitions/markdown.xml
@@ -22,6 +22,11 @@
           Example: **bold text and _italic and bold text_**
                    __bold and ~~strikeout and bold~~__
 -->
+<!--
+    Quarto specific adaptations to keep upon updates:
+      - Support for ```{language} code block syntax, specific to quarto computation code blocks
+      - Add explicit support for language julia and dot in code blocks as they are available in skylighting
+-->
 <!DOCTYPE language
 [
 <!-- NOTE: To correctly detect bold, italic or strike out text, use minimal="true" in RegExpr rules -->
@@ -72,6 +77,10 @@
 <!ENTITY linebreakregex "  $">
 <!-- strikethrough text, pandoc style -->
 <!ENTITY strikeoutregex "[~]{2}[^~](?:.*[^~])?[~]{2}">
+<!-- highlight text -->
+<!ENTITY highlightregex "[=]{2}[^=](?:.*[^=])?[=]{2}">
+<!-- emoji -->
+<!ENTITY emojiregex ":([-+]1|\w+):">
 <!-- start of fenced code block -->
 <!ENTITY fcode "(`{3,}|~{3,})">
 <!-- end of line & empty line -->
@@ -88,15 +97,9 @@
 <!ENTITY startcomment "&lt;!--">
 <!ENTITY endcomment "--&gt;">
 <!ENTITY checkbox "\[[ x]\](?=\s)">
-
-<!-- html stuff -->
-	<!ENTITY name          "[A-Za-z_:][\w.:_-]*">
-	<!ENTITY attributeName "[A-Za-z_:*#\(\[][\)\]\w.:_-]*">
-	<!ENTITY entref        "&amp;(?:#[0-9]+|#[xX][0-9A-Fa-f]+|&name;);">
-
 ]>
 
-<language name="Markdown" version="27" kateversion="5.79" section="Markup" extensions="*.md;*.mmd;*.markdown" mimetype="text/markdown" priority="15" author="Darrin Yeager, Claes Holmerson" license="GPL,BSD">
+<language name="Markdown" version="30" kateversion="5.79" section="Markup" extensions="*.md;*.mmd;*.markdown;*.md.html" mimetype="text/markdown" priority="15" author="Darrin Yeager, Claes Holmerson" license="GPL,BSD">
   <highlighting>
     <contexts>
       <!-- Start of the Markdown document: find metadata or code block -->
@@ -143,9 +146,12 @@
         <DetectChar context="find-strong-normal" char="*" lookAhead="true"/>
         <DetectChar context="find-emphasis-normal" char="_" lookAhead="true"/>
         <RegExpr attribute="Strikethrough Text" minimal="true" String="&strikeoutregex;"/>
+        <RegExpr attribute="Highlight Text" minimal="true" String="&highlightregex;"/>
         <!-- Common -->
         <IncludeRules context="inc"/>
         <RegExpr attribute="Normal Text: Link" String="&implicitlink;"/>
+        <!-- Table -->
+        <DetectChar attribute="Table" char="|" context="table" firstNonSpace="true" lookAhead="1"/>
       </context>
       <!-- Find indented code blocks. These are only allowed after an empty line or on the first line -->
       <context name="find-code-block" attribute="Normal Text" lineEndContext="#stay" lineEmptyContext="#stay" fallthroughContext="#pop">
@@ -154,6 +160,16 @@
         <RegExpr attribute="Comment" context="comment" String="^\s*&startcomment;|\s*&startcomment;(?=.*&endcomment;)" beginRegion="comment"/>
       </context>
 
+      <!-- Table in Normal Text Document -->
+      <context name="table" attribute="Normal Text" lineEndContext="#pop" lineEmptyContext="#pop!find-code-block">
+        <IncludeRules context="find-table-element"/>
+        <IncludeRules context="Normal Text"/>
+      </context>
+
+      <context name="find-table-element" attribute="Normal Text" lineEndContext="#pop">
+        <RegExpr attribute="Table" String="(\|(\s*:?---+:?)?)++"/>
+      </context>
+
       <context name="find-header" attribute="Normal Text" lineEndContext="#pop">
         <RegExpr attribute="Header H1" context="#pop!close-H2-region" String="^#\s" column="0" endRegion="H1" beginRegion="H1" lookAhead="true"/>
         <RegExpr attribute="Header H2" context="#pop!close-H3-region" String="^##\s" column="0" endRegion="H2" beginRegion="H2" lookAhead="true"/>
@@ -213,6 +229,7 @@
         <RegExpr attribute="Normal Text" context="#pop!find-code-block" String="&emptyline;" column="0"/>
         <StringDetect attribute="Comment" context="#pop!find-code-block" String="&startcomment;" column="0" lookAhead="true"/>
         <IncludeRules context="default-blockquote-2"/>
+        <IncludeRules context="find-table-element"/>
       </context>
       <!-- Blockquote within a list -->
       <context name="blockquote-list" attribute="Blockquote: Normal Text" lineEndContext="#stay" lineEmptyContext="#pop">
@@ -232,6 +249,7 @@
         <!-- Strong, emphasis, strong-emphasis and strikethrough text -->
         <AnyChar context="find-strong-emphasis-blockquote" String="*_" lookAhead="true"/>
         <RegExpr attribute="Blockquote: Strikethrough Text" minimal="true" String="&strikeoutregex;"/>
+        <RegExpr attribute="Blockquote: Highlight Text" minimal="true" String="&highlightregex;"/>
         <!-- Common -->
         <IncludeRules context="inc"/>
         <RegExpr attribute="Blockquote: Link" String="&implicitlink;"/>
@@ -260,6 +278,8 @@
         <RegExpr context="#pop" String="^\s*\S" column="0" lookAhead="true"/>
         <!-- Highlight checkbox at the start of the item (task list) -->
         <RegExpr attribute="List: Checkbox" context="content-list" String="\s*&checkbox;"/>
+        <!-- Highlight checkbox at the start of the item (task list) -->
+        <RegExpr attribute="Table" context="content-list-table" String="\s*\|"/>
       </context>
       <!-- 1. numlist (one digit) -->
       <context name="numlist" attribute="List: Normal Text" lineEndContext="#stay" fallthroughContext="content-list">
@@ -290,13 +310,14 @@
            to check the indentation of the text and determine if the content of the list ends. -->
       <context name="content-list" attribute="List: Normal Text" lineEndContext="#stay" lineEmptyContext="#pop">
         <RegExpr context="#pop" String="&emptyline;" column="0"/>
-        <!-- Blockquote and horzontal rule (check indentation) -->
+        <!-- Blockquote and horizontal rule (check indentation) -->
         <RegExpr context="#pop" String="^\s*(?:&gt;|&rulerregex;)" column="0" lookAhead="true"/>
         <!-- End with header or new list/numlist -->
         <RegExpr context="#pop#pop" String="^(?:\s*(?:&listbullet;|[\d]+\.)\s|#{1,6}\s)" column="0" lookAhead="true"/>
         <!-- Strong, emphasis, strong-emphasis and strikethrough text -->
         <AnyChar context="find-strong-emphasis-list" String="*_" lookAhead="true"/>
         <RegExpr attribute="List: Strikethrough Text" minimal="true" String="&strikeoutregex;"/>
+        <RegExpr attribute="List: Highlight Text" minimal="true" String="&highlightregex;"/>
         <!-- Common -->
         <IncludeRules context="inc"/>
         <RegExpr attribute="List: Link" String="&implicitlink;"/>
@@ -309,6 +330,12 @@
         <AnyChar attribute="List: Normal Text" context="#pop" String="*_"/>
       </context>
 
+      <!-- Table in List -->
+      <context name="content-list-table" attribute="List: Normal Text" lineEndContext="#stay" lineEmptyContext="#pop">
+        <IncludeRules context="find-table-element"/>
+        <IncludeRules context="content-list"/>
+      </context>
+
       <!-- Comments -->
       <context name="comment" attribute="Comment" lineEndContext="#stay">
         <StringDetect attribute="Comment" context="#pop" String="&endcomment;" endRegion="comment"/>
@@ -319,40 +346,41 @@
       <context name="find-lang-fenced-code" attribute="Normal Text" lineEndContext="#pop">
         <!-- Apply syntax highlighting to fenced code blocks for some languages -->
         <RegExpr attribute="Fenced Code" context="#pop!code" String="&fcode;&end;" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!bash-code" String="&fcode;\s*(?:bash(?:rc|_profile|_login|_logout)?|shell|sh|profile|PKGBUILD|APKBUILD|ebuild|eclass|nix)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!zsh-code" String="&fcode;\s*(?:zsh)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!cpp-code" String="&fcode;\s*(?:[ch]pp|[ch]\+\+|[ch]xx|h?cc|hh|cuh?|ino|pde|moc)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!csharp-code" String="&fcode;\s*(?:cs|csharp|c\#)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!cmake-code" String="&fcode;\s*(?:cmake|CMakeLists(?:\.txt)?)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!css-code" String="&fcode;\s*css&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!c-code" String="&fcode;\s*[ch]&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!doxygen-code" String="&fcode;\s*doxygen&end;" insensitive="true" beginRegion="code-block"/> <!-- Block comment of Doxygen -->
-        <RegExpr attribute="Fenced Code" context="#pop!email-code" String="&fcode;\s*(?:email|emlx?|mbo?x)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!go-code" String="&fcode;\s*go(?:lang)?&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!hamlet-code" String="&fcode;\s*[wxs]?hamlet&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the Haskell definition -->
-        <RegExpr attribute="Fenced Code" context="#pop!haskell-code" String="&fcode;\s*(?:haskell|c?hs|hs\-boot)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!html-code" String="&fcode;\s*(?:[sx]?html?|inc|tmpl|tpl)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!java-code" String="&fcode;\s*(?:java|bsh)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!javascript-code" String="&fcode;\s*(?:javascript|m?js|es6|kwinscript|julius)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!jsx-code" String="&fcode;\s*(?:jsx|tsx|(?:java|type)script\-react)&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the HTML definition. Also apply for TSX. -->
-        <RegExpr attribute="Fenced Code" context="#pop!json-code" String="&fcode;\s*(?:json5?|gltf)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!yaml-code" String="&fcode;\s*(?:ya?ml)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!matlab-code" String="&fcode;\s*matlab&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!markdown-code" String="&fcode;\s*(?:markdown|m?md)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!mustache-code" String="&fcode;\s*(?:handlebars|hbs|mustache|mst|ractive|hogan|hulk)&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the HTML definition -->
-        <RegExpr attribute="Fenced Code" context="#pop!perl-code" String="&fcode;\s*(?:perl|p[lm]|pod|psgi|vcl)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!php-code" String="&fcode;\s*(?:php[3457t]?|wml|phtml?|aw|ctp)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!python-code" String="&fcode;\s*(?:python[23]?|py[23w]?|[rc]py|sconstruct|gypi?)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!qml-code" String="&fcode;\s*qml(?:types)?&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!r-code" String="&fcode;\s*(?:r|rprofile|rscript)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!raku-code" String="&fcode;\s*(?:raku(?:mod|doc|test)?|perl6|p[lm]?6|pod6|nqp)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!rest-code" String="&fcode;\s*(?:rst|rest|restructuredtext)&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the CMake definition -->
-        <RegExpr attribute="Fenced Code" context="#pop!ruby-code" String="&fcode;\s*(?:ruby|rbx?|rjs|rake|f?cgi|gemspec|irbrc|ru|prawn|Appraisals|(?:Rake|Cap|Chef|Gem|Guard|Hobo|Vagrant||Rant|Berks|Thor|Puppet)file|rxml|(?:xml|js)\.erb)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!rust-code" String="&fcode;\s*(?:rust|rs)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!mysql-code" String="&fcode;\s*(?:mysql|sql|ddl)&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the PHP definition -->
-        <RegExpr attribute="Fenced Code" context="#pop!nim-code" String="&fcode;\s*(?:nims?)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!typescript-code" String="&fcode;\s*(?:typescript|ts)&end;" insensitive="true" beginRegion="code-block"/>
-        <RegExpr attribute="Fenced Code" context="#pop!xml-code" String="&fcode;\s*(?:xml|xsd|xspf|tld|jsp|c?pt|dtml|rss|opml|svg|daml|rdf|ui|kcfg|qrc|wsdl|scxml|xbel|dae|sch|brd|docbook)&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!bash-code" String="&fcode;\s*\{?\.?(?:bash(?:rc|_profile|_login|_logout)?|shell|sh|profile|PKGBUILD|APKBUILD|ebuild|eclass|nix).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!zsh-code" String="&fcode;\s*\{?\.?(?:zsh).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!cpp-code" String="&fcode;\s*\{?\.?(?:[ch]pp|[ch]\+\+|[ch]xx|h?cc|hh|cuh?|ino|pde|moc).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!csharp-code" String="&fcode;\s*\{?\.?(?:cs|csharp|c\#).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!cmake-code" String="&fcode;\s*\{?\.?(?:cmake|CMakeLists(?:\.txt)?).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!css-code" String="&fcode;\s*\{?\.?css.*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!c-code" String="&fcode;\s*\{?\.?[ch].*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!doxygen-code" String="&fcode;\s*\{?\.?doxygen.*&end;" insensitive="true" beginRegion="code-block"/> <!-- Block comment of Doxygen -->
+        <RegExpr attribute="Fenced Code" context="#pop!dot-code" String="&fcode;\s*\{?\.?dot.*&end;" insensitive="true" beginRegion="code-block"/> <!-- Block comment of Doxygen -->
+        <RegExpr attribute="Fenced Code" context="#pop!email-code" String="&fcode;\s*\{?\.?(?:email|emlx?|mbo?x).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!go-code" String="&fcode;\s*\{?\.?go(?:lang)?.*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!hamlet-code" String="&fcode;\s*\{?\.?[wxs]?hamlet.*&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the Haskell definition -->
+        <RegExpr attribute="Fenced Code" context="#pop!haskell-code" String="&fcode;\s*\{?\.?(?:haskell|c?hs|hs\-boot).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!html-code" String="&fcode;\s*\{?\.?(?:[sx]?html?|inc|tmpl|tpl).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!java-code" String="&fcode;\s*\{?\.?(?:java|bsh).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!javascript-code" String="&fcode;\s*\{?\.?(?:javascript|[mo]?js|es6|kwinscript|julius).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!jsx-code" String="&fcode;\s*\{?\.?(?:jsx|tsx|(?:java|type)script\-react).*&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the HTML definition. Also apply for TSX. -->
+        <RegExpr attribute="Fenced Code" context="#pop!json-code" String="&fcode;\s*\{?\.?(?:json5?|gltf).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!julia-code" String="&fcode;\s*\{?\.?(?:julia|jl).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!yaml-code" String="&fcode;\s*\{?\.?(?:ya?ml).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!matlab-code" String="&fcode;\s*\{?\.?matlab.*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!markdown-code" String="&fcode;\s*\{?\.?(?:markdown|m?md).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!mustache-code" String="&fcode;\s*\{?\.?(?:handlebars|hbs|mustache|mst|ractive|hogan|hulk).*&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the HTML definition -->
+        <RegExpr attribute="Fenced Code" context="#pop!perl-code" String="&fcode;\s*\{?\.?(?:mermaid|perl|p[lm]|pod|psgi|vcl).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!php-code" String="&fcode;\s*\{?\.?(?:php[3457t]?|wml|phtml?|aw|ctp).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!python-code" String="&fcode;\s*\{?\.?(?:python[23]?|py[23w]?|[rc]py|sconstruct|gypi?).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!qml-code" String="&fcode;\s*\{?\.?qml(?:types)?.*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!r-code" String="&fcode;\s*\{?\.?(?:r|rprofile|rscript).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!rest-code" String="&fcode;\s*\{?\.?(?:rst|rest|restructuredtext).*&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the CMake definition -->
+        <RegExpr attribute="Fenced Code" context="#pop!ruby-code" String="&fcode;\s*\{?\.?(?:ruby|rbx?|rjs|rake|f?cgi|gemspec|irbrc|ru|prawn|Appraisals|(?:Rake|Cap|Chef|Gem|Guard|Hobo|Vagrant||Rant|Berks|Thor|Puppet)file|rxml|(?:xml|js)\.erb).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!rust-code" String="&fcode;\s*\{?\.?(?:rust|rs).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!mysql-code" String="&fcode;\s*\{?\.?(?:mysql|sql|ddl).*&end;" insensitive="true" beginRegion="code-block"/> <!-- Included in the PHP definition -->
+        <RegExpr attribute="Fenced Code" context="#pop!nim-code" String="&fcode;\s*\{?\.?(?:nims?).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!typescript-code" String="&fcode;\s*\{?\.?(?:typescript|ts).*&end;" insensitive="true" beginRegion="code-block"/>
+        <RegExpr attribute="Fenced Code" context="#pop!xml-code" String="&fcode;\s*\{?\.?(?:xml|xsd|xspf|tld|jsp|c?pt|dtml|rss|opml|svg|daml|rdf|ui|kcfg|qrc|wsdl|scxml|xbel|dae|sch|brd|docbook).*&end;" insensitive="true" beginRegion="code-block"/>
         <RegExpr attribute="Fenced Code" context="#pop!code" String="&fcode;.*$" beginRegion="code-block"/>
       </context>
       <context name="code" attribute="Code" lineEndContext="#stay"> <!-- Unknown language -->
@@ -390,6 +418,10 @@
         <IncludeRules context="code"/>
         <IncludeRules context="BlockComment##Doxygen" includeAttrib="true"/>
       </context>
+      <context attribute="Normal Text" lineEndContext="#stay" name="dot-code">
+        <IncludeRules context="code"/>
+        <IncludeRules context="##dot" includeAttrib="true"/>
+      </context>
       <context attribute="Normal Text" lineEndContext="#stay" name="email-code">
         <IncludeRules context="code"/>
         <IncludeRules context="##Email" includeAttrib="true"/>
@@ -426,6 +458,10 @@
         <IncludeRules context="code"/>
         <IncludeRules context="##JSON" includeAttrib="true"/>
       </context>
+      <context attribute="Normal Text" lineEndContext="#stay" name="julia-code">
+        <IncludeRules context="code"/>
+        <IncludeRules context="##Julia" includeAttrib="true"/>
+      </context>
       <context attribute="Normal Text" lineEndContext="#stay" name="yaml-code">
         <IncludeRules context="code"/>
         <IncludeRules context="##YAML" includeAttrib="true"/>
@@ -462,7 +498,7 @@
         <IncludeRules context="code"/>
         <IncludeRules context="##R Script" includeAttrib="true"/>
       </context>
-      <context attribute="Normal Text" lineEndContext="#stay" name="raku-code">
+      <context attribute="Normal Text" lineEndContext="#stay" name="raku-code" fallthroughContext="term##Raku">
         <IncludeRules context="code"/>
         <IncludeRules context="base##Raku" includeAttrib="true"/>
       </context>
@@ -511,6 +547,8 @@
         <RegExpr attribute="Reference Image" String="&refimageregex;"/>
         <RegExpr attribute="Auto-Link" context="autolink" String="&autolinkregex;" lookAhead="true"/>
         <RegExpr attribute="Mailto-Link" context="mailtolink" String="&mailtolinkregex;"/>
+        <!-- Emoji -->
+        <RegExpr attribute="Emoji" String="&emojiregex;"/>
         <!-- Line Break -->
         <RegExpr attribute="Line Break" minimal="true" String="&linebreakregex;"/>
         <!-- Backslash Escapes -->
@@ -529,6 +567,7 @@
         <Detect2Chars attribute="Backslash Escape" char="\" char1="-"/>
         <Detect2Chars attribute="Backslash Escape" char="\" char1="."/>
         <Detect2Chars attribute="Backslash Escape" char="\" char1="!"/>
+        <Detect2Chars attribute="Backslash Escape" char="\" char1="|"/>
         <Detect2Chars attribute="Backslash Escape" char="\" char1="&lt;"/>
         <Detect2Chars attribute="Backslash Escape" char="\" char1="&gt;"/>
         <Detect2Chars attribute="Backslash Escape" char="\" char1="&amp;"/>
@@ -537,7 +576,7 @@
         <RegExpr context="find-html-block" String="&lt;/?&htmlname;(?:[\s&gt;]|/&gt;|$)" lookAhead="true"/>
       </context>
       <context name="find-html-block" attribute="Normal Text" lineEndContext="#pop" fallthroughContext="#pop">
-        <IncludeRules context="FindElements"/>
+        <IncludeRules context="FindElements##HTML"/>
       </context>
 
       <!-- Links and email: <https://example.com>, <example@kde.org> -->
@@ -604,302 +643,6 @@
         <Detect2Chars attribute="Inline Image" char="\" char1=")"/>
         <RegExpr attribute="Inline Image: Link" String="\b&startlink;(?:\\.|[^&quot;&gt;\s\)\\])+"/>
       </context>
-
-  <context name="FindHTML" attribute="Normal Text" lineEndContext="#stay">
-    <DetectSpaces/>
-    <DetectIdentifier/>
-    <StringDetect attribute="Comment" context="Comment" String="&lt;!--" beginRegion="comment" />
-    <StringDetect attribute="CDATA" context="CDATA" String="&lt;![CDATA[" beginRegion="cdata" />
-    <RegExpr attribute="Doctype" context="Doctype" String="&lt;!DOCTYPE\s+" insensitive="true" beginRegion="doctype" />
-    <IncludeRules context="FindElements" />
-    <RegExpr attribute="Processing Instruction" context="PI" String="&lt;\?[\w:-]*" beginRegion="pi" />
-
-    <!-- as long as kde gives DTDs the text/html mimetype--><IncludeRules context="FindDTDRules" />
-    <IncludeRules context="FindEntityRefs" />
-  </context>
-
-  <context name="FindElements" attribute="Other Text" lineEndContext="#pop">
-    <RegExpr attribute="Element Symbols" context="ElementTagName" String="&lt;(?=(&name;))" />
-    <RegExpr attribute="Element Symbols" context="ElementTagNameClose" String="&lt;/(?=(&name;))" />
-  </context>
-
-  <context name="ElementTagName" attribute="Other Text" lineEndContext="#pop">
-    <IncludeRules context="FindHTMLTags" />
-    <IncludeRules context="FindSpecialHTMLTags" />
-    <StringDetect attribute="Element" context="#pop!El Open" String="%1" dynamic="true" />
-  </context>
-
-  <context name="ElementTagNameClose" attribute="Other Text" lineEndContext="#pop">
-    <IncludeRules context="FindHTMLTagsClose" />
-    <StringDetect attribute="Element" context="#pop!El Close" String="%1" dynamic="true" />
-  </context>
-
-  <!-- This allows you to insert HTML tags in other syntax definitions -->
-  <context name="FindSpecialHTMLTags" attribute="Normal Text" lineEndContext="#stay">
-    <WordDetect attribute="Element" context="#pop!CSS" String="style" insensitive="true" beginRegion="style" />
-    <WordDetect attribute="Element" context="#pop!JS" String="script" insensitive="true" beginRegion="script" />
-  </context>
-
-  <context name="FindHTMLTags" attribute="Normal Text" lineEndContext="#stay">
-    <WordDetect attribute="Element" context="#pop!El Open" String="pre" insensitive="true" beginRegion="pre" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="div" insensitive="true" beginRegion="div" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="table" insensitive="true" beginRegion="table" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="ul" insensitive="true" beginRegion="ul" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="ol" insensitive="true" beginRegion="ol" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="dl" insensitive="true" beginRegion="dl" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="article" insensitive="true" beginRegion="article" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="aside" insensitive="true" beginRegion="aside" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="details" insensitive="true" beginRegion="details" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="figure" insensitive="true" beginRegion="figure" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="footer" insensitive="true" beginRegion="footer" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="header" insensitive="true" beginRegion="header" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="main" insensitive="true" beginRegion="main" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="nav" insensitive="true" beginRegion="nav" />
-    <WordDetect attribute="Element" context="#pop!El Open" String="section" insensitive="true" beginRegion="section" />
-  </context>
-
-  <context name="FindHTMLTagsClose" attribute="Normal Text" lineEndContext="#stay">
-    <WordDetect attribute="Element" context="#pop!El Close" String="pre" insensitive="true" endRegion="pre" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="div" insensitive="true" endRegion="div" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="table" insensitive="true" endRegion="table" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="ul" insensitive="true" endRegion="ul" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="ol" insensitive="true" endRegion="ol" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="dl" insensitive="true" endRegion="dl" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="article" insensitive="true" endRegion="article" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="aside" insensitive="true" endRegion="aside" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="details" insensitive="true" endRegion="details" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="figure" insensitive="true" endRegion="figure" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="footer" insensitive="true" endRegion="footer" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="header" insensitive="true" endRegion="header" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="main" insensitive="true" endRegion="main" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="nav" insensitive="true" endRegion="nav" />
-    <WordDetect attribute="Element" context="#pop!El Close" String="section" insensitive="true" endRegion="section" />
-  </context>
-
-  <context name="FindEntityRefs" attribute="Other Text" lineEndContext="#stay">
-    <RegExpr attribute="EntityRef" context="#stay" String="&entref;" />
-    <AnyChar attribute="Error" context="#stay" String="&amp;&lt;" />
-  </context>
-
-  <context name="FindPEntityRefs" attribute="Other Text" lineEndContext="#stay">
-    <RegExpr attribute="EntityRef" context="#stay" String="&entref;" />
-    <RegExpr attribute="PEntityRef" context="#stay" String="%&name;;" />
-    <AnyChar attribute="Error" context="#stay" String="&amp;%" />
-  </context>
-
-  <context name="FindAttributes" attribute="Other Text" lineEndContext="#stay">
-    <RegExpr attribute="Attribute" context="#stay" String="^&attributeName;|\s+&attributeName;" />
-    <DetectChar attribute="Attribute Separator" context="Value" char="=" />
-  </context>
-
-  <context name="FindDTDRules" attribute="Other Text" lineEndContext="#stay">
-    <RegExpr attribute="Doctype" context="Doctype Markupdecl" String="&lt;!(?:ELEMENT|ENTITY|ATTLIST|NOTATION)\b" />
-  </context>
-
-
-  <context name="Comment" attribute="Comment" lineEndContext="#stay">
-    <DetectSpaces/>
-    <StringDetect attribute="Comment" context="#pop" String="--&gt;" endRegion="comment" />
-    <IncludeRules context="##Comments" />
-    <DetectIdentifier/>
-    <RegExpr attribute="Error" context="#stay" String="-(?:-(?!-&gt;))+" />
-  </context>
-
-  <context name="CDATA" attribute="Other Text" lineEndContext="#stay">
-    <DetectSpaces/>
-    <DetectIdentifier/>
-    <StringDetect attribute="CDATA" context="#pop" String="]]&gt;" endRegion="cdata" />
-    <StringDetect attribute="EntityRef" context="#stay" String="]]&amp;gt;" />
-  </context>
-
-  <context name="PI" attribute="Other Text" lineEndContext="#stay">
-    <Detect2Chars attribute="Processing Instruction" context="#pop" char="?" char1="&gt;" endRegion="pi" />
-  </context>
-
-  <context name="Doctype" attribute="Other Text" lineEndContext="#stay">
-    <DetectChar attribute="Doctype" context="#pop" char="&gt;" endRegion="doctype" />
-    <DetectChar attribute="Doctype" context="Doctype Internal Subset" char="[" beginRegion="int_subset" />
-  </context>
-
-  <context name="Doctype Internal Subset" attribute="Other Text" lineEndContext="#stay">
-    <DetectChar attribute="Doctype" context="#pop" char="]" endRegion="int_subset" />
-    <IncludeRules context="FindDTDRules" />
-    <StringDetect attribute="Comment" context="Comment" String="&lt;!--" beginRegion="comment" />
-    <RegExpr attribute="Processing Instruction" context="PI" String="&lt;\?[\w:-]*" beginRegion="pi" />
-    <IncludeRules context="FindPEntityRefs" />
-  </context>
-
-  <context name="Doctype Markupdecl" attribute="Other Text" lineEndContext="#stay">
-    <DetectChar attribute="Doctype" context="#pop" char="&gt;" />
-    <DetectChar attribute="Value" context="Doctype Markupdecl DQ" char="&quot;" />
-    <DetectChar attribute="Value" context="Doctype Markupdecl SQ" char="&apos;" />
-  </context>
-
-  <context name="Doctype Markupdecl DQ" attribute="Value" lineEndContext="#stay">
-    <DetectChar attribute="Value" context="#pop" char="&quot;" />
-    <IncludeRules context="FindPEntityRefs" />
-  </context>
-
-  <context name="Doctype Markupdecl SQ" attribute="Value" lineEndContext="#stay">
-    <DetectChar attribute="Value" context="#pop" char="&apos;" />
-    <IncludeRules context="FindPEntityRefs" />
-  </context>
-
-  <context name="El Open" attribute="Other Text" lineEndContext="#stay">
-    <Detect2Chars attribute="Element Symbols" context="#pop" char="/" char1="&gt;" />
-    <DetectChar attribute="Element Symbols" context="#pop" char="&gt;" />
-    <IncludeRules context="FindAttributes" />
-    <RegExpr attribute="Error" context="#stay" String="\S" />
-  </context>
-
-  <context name="El Close" attribute="Other Text" lineEndContext="#stay">
-    <DetectChar attribute="Element Symbols" context="#pop" char="&gt;" />
-    <RegExpr attribute="Error" context="#stay" String="\S" />
-  </context>
-
-  <context name="CSS" attribute="Other Text" lineEndContext="#stay">
-    <Detect2Chars attribute="Element Symbols" context="#pop" char="/" char1="&gt;" endRegion="style" />
-    <DetectChar attribute="Element Symbols" context="CSS content" char="&gt;" />
-    <IncludeRules context="FindAttributes" />
-    <RegExpr attribute="Error" context="#stay" String="\S" />
-  </context>
-
-  <context name="CSS content" attribute="Other Text" lineEndContext="#stay">
-    <RegExpr attribute="Element Symbols" context="CSS content Close" String="&lt;/(?=style\b)" insensitive="true" />
-    <IncludeRules context="##CSS" includeAttrib="true"/>
-  </context>
-  <context name="CSS content Close" attribute="Other Text" lineEndContext="#stay">
-    <DetectIdentifier attribute="Element" context="#pop#pop#pop!El Close" endRegion="style" />
-  </context>
-
-  <context name="JS" attribute="Other Text" lineEndContext="#stay">
-    <RegExpr attribute="Attribute" context="Script-Type" String="(?:\s+|^)type(?=\=|\s|$)" insensitive="true"/>
-    <DetectChar attribute="Element Symbols" context="JS content" char="&gt;" />
-    <IncludeRules context="DefaultJS" />
-  </context>
-  <context name="DefaultJS" attribute="Other Text" lineEndContext="#stay">
-    <Detect2Chars attribute="Element Symbols" context="#pop" char="/" char1="&gt;" endRegion="script" />
-    <IncludeRules context="FindAttributes" />
-    <RegExpr attribute="Error" context="#stay" String="\S" />
-  </context>
-
-  <context name="JS content" attribute="Other Text" lineEndContext="#stay">
-    <IncludeRules context="Default JS content"/>
-    <IncludeRules context="Normal##JavaScript" includeAttrib="true"/>
-  </context>
-  <context name="Default JS content" attribute="Other Text" lineEndContext="#stay">
-    <IncludeRules context="FindScriptTagClose" />
-    <RegExpr attribute="Comment" context="JS comment close" String="//(?=.*&lt;/script\b)" insensitive="true" />
-  </context>
-
-  <context name="FindScriptTagClose" attribute="Other Text" lineEndContext="#stay">
-    <RegExpr attribute="Element Symbols" context="ScriptTagClose" String="&lt;/(?=script\b)" insensitive="true" />
-  </context>
-  <context name="ScriptTagClose" attribute="Other Text" lineEndContext="#stay">
-    <DetectIdentifier attribute="Element" context="#pop#pop#pop!El Close" endRegion="script" />
-  </context>
-
-  <context name="JS comment close" attribute="Comment" lineEndContext="#pop">
-    <RegExpr attribute="Element Symbols" context="#pop!ScriptTagClose" String="&lt;/(?=script\b)" insensitive="true" />
-    <DetectSpaces />
-    <IncludeRules context="##Comments" />
-  </context>
-
-  <context name="Value" attribute="Other Text" lineEndContext="#stay" fallthrough="true" fallthroughContext="Value NQ">
-    <DetectChar attribute="Value" context="Value DQ" char="&quot;" />
-    <DetectChar attribute="Value" context="Value SQ" char="&apos;" />
-    <DetectSpaces />
-  </context>
-
-  <context name="Value NQ" attribute="Other Text" lineEndContext="#pop#pop" fallthrough="true" fallthroughContext="#pop#pop">
-    <IncludeRules context="FindEntityRefs" />
-    <RegExpr attribute="Value" context="#stay" String="/(?!&gt;)|[^/&gt;&lt;&quot;&apos;\s]" />
-  </context>
-
-  <context name="Value DQ" attribute="Value" lineEndContext="#stay">
-    <DetectChar attribute="Value" context="#pop#pop" char="&quot;" />
-    <IncludeRules context="FindEntityRefs" />
-  </context>
-
-  <context name="Value SQ" attribute="Value" lineEndContext="#stay">
-    <DetectChar attribute="Value" context="#pop#pop" char="&apos;" />
-    <IncludeRules context="FindEntityRefs" />
-  </context>
-
-  <!-- Read content from the "type" attribute to change the language to
-       highlight in the <script> tag. The default language is JavaScript. -->
-
-  <context name="Script-Type" attribute="Other Text" lineEndContext="#stay" fallthrough="true" fallthroughContext="#pop">
-    <DetectSpaces />
-    <DetectChar attribute="Attribute" context="#pop!Script-Type Value" char="=" />
-  </context>
-  <context name="Script-Type Value" attribute="Other Text" lineEndContext="#stay" fallthrough="true" fallthroughContext="#pop!Value">
-    <DetectSpaces />
-    <!-- TypeScript -->
-    <StringDetect attribute="Value" context="#pop#pop!TypeScript" String="&quot;text/typescript&quot;"/>
-    <StringDetect attribute="Value" context="#pop#pop!TypeScript" String="&apos;text/typescript&apos;"/>
-    <!-- JSX (JavaScript React) -->
-    <StringDetect attribute="Value" context="#pop#pop!JSX" String="&quot;text/jsx&quot;"/>
-    <StringDetect attribute="Value" context="#pop#pop!JSX" String="&apos;text/jsx&apos;"/>
-    <StringDetect attribute="Value" context="#pop#pop!JSX" String="&quot;text/babel&quot;"/>
-    <StringDetect attribute="Value" context="#pop#pop!JSX" String="&apos;text/babel&apos;"/>
-    <!-- MustacheJS / HandlebarsJS / RactiveJS -->
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&quot;x-tmpl-mustache&quot;"/>
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&apos;x-tmpl-mustache&apos;"/>
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&quot;text/mustache&quot;"/>
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&apos;text/mustache&apos;"/>
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&quot;text/x-mustache-template&quot;"/>
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&apos;text/x-mustache-template&apos;"/>
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&quot;text/x-handlebars-template&quot;"/>
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&apos;text/x-handlebars-template&apos;"/>
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&quot;text/ractive&quot;"/>
-    <StringDetect attribute="Value" context="#pop#pop!MustacheJS" String="&apos;text/ractive&apos;"/>
-    <!-- HTML templates -->
-    <StringDetect attribute="Value" context="#pop#pop!Script HTML template" String="&quot;text/html&quot;"/>
-    <StringDetect attribute="Value" context="#pop#pop!Script HTML template" String="&apos;text/html&apos;"/>
-  </context>
-
-  <context name="JSX" attribute="Other Text" lineEndContext="#stay">
-    <DetectChar attribute="Element Symbols" context="JSX content" char="&gt;" />
-    <IncludeRules context="DefaultJS" />
-  </context>
-  <context name="JSX content" attribute="Other Text" lineEndContext="#stay">
-    <IncludeRules context="Default JS content"/>
-    <IncludeRules context="Normal##JavaScript React (JSX)" includeAttrib="true"/>
-  </context>
-
-  <context name="TypeScript" attribute="Other Text" lineEndContext="#stay">
-    <DetectChar attribute="Element Symbols" context="TypeScript content" char="&gt;" />
-    <IncludeRules context="DefaultJS" />
-  </context>
-  <context name="TypeScript content" attribute="Other Text" lineEndContext="#stay">
-    <IncludeRules context="Default JS content"/>
-    <IncludeRules context="Normal##TypeScript" includeAttrib="true"/>
-  </context>
-
-  <context name="MustacheJS" attribute="Other Text" lineEndContext="#stay">
-    <DetectChar attribute="Element Symbols" context="MustacheJS content" char="&gt;" />
-    <IncludeRules context="DefaultJS" />
-  </context>
-  <context name="MustacheJS content" attribute="Other Text" lineEndContext="#stay">
-    <IncludeRules context="FindScriptTagClose" />
-    <StringDetect attribute="Error" context="#stay" String="&lt;script&gt;" insensitive="true" />
-    <RegExpr attribute="Error" context="#stay" String="&lt;script\b" insensitive="true" />
-    <IncludeRules context="Base##Mustache/Handlebars (HTML)" includeAttrib="true"/>
-  </context>
-
-  <context name="Script HTML template" attribute="Other Text" lineEndContext="#stay">
-    <DetectChar attribute="Element Symbols" context="Script HTML template content" char="&gt;" />
-    <IncludeRules context="DefaultJS" />
-  </context>
-  <context name="Script HTML template content" attribute="Other Text" lineEndContext="#stay">
-    <IncludeRules context="FindScriptTagClose" />
-    <StringDetect attribute="Error" context="#stay" String="&lt;script&gt;" insensitive="true" />
-    <RegExpr attribute="Error" context="#stay" String="&lt;script\b" insensitive="true" />
-    <IncludeRules context="FindHTML" />
-  </context>
-
-
     </contexts>
     <itemDatas>
       <itemData name="Normal Text" defStyleNum="dsNormal"/>
@@ -907,6 +650,7 @@
       <itemData name="Strong Text" defStyleNum="dsNormal" bold="true"/>
       <itemData name="Strong-Emphasis Text" defStyleNum="dsNormal" italic="true" bold="true"/>
       <itemData name="Strikethrough Text" defStyleNum="dsNormal" strikeOut="true"/>
+      <itemData name="Highlight Text" defStyleNum="dsAlert"/>
       <itemData name="Normal Text: Link" defStyleNum="dsNormal" underline="true" spellChecking="false"/>
       <itemData name="Horizontal Rule" defStyleNum="dsNormal" bold="true" spellChecking="false"/>
       <itemData name="Line Break" defStyleNum="dsNormal" underline="true" color="#999999" spellChecking="false"/>
@@ -922,6 +666,7 @@
       <itemData name="Blockquote: Strong Text" defStyleNum="dsAttribute" bold="true"/>
       <itemData name="Blockquote: Strong-Emphasis Text" defStyleNum="dsAttribute" italic="true" bold="true"/>
       <itemData name="Blockquote: Strikethrough Text" defStyleNum="dsAttribute" strikeOut="true"/>
+      <itemData name="Blockquote: Highlight Text" defStyleNum="dsAlert"/>
       <itemData name="Blockquote: Link" defStyleNum="dsAttribute" underline="true" spellChecking="false"/>
       <itemData name="List" defStyleNum="dsSpecialString" bold="1" spellChecking="false"/>
       <itemData name="Number List" defStyleNum="dsSpecialString" spellChecking="false"/>
@@ -930,11 +675,14 @@
       <itemData name="List: Strong Text" defStyleNum="dsNormal" bold="true"/>
       <itemData name="List: Strong-Emphasis Text" defStyleNum="dsNormal" italic="true" bold="true"/>
       <itemData name="List: Strikethrough Text" defStyleNum="dsNormal" strikeOut="true"/>
+      <itemData name="List: Highlight Text" defStyleNum="dsAlert"/>
       <itemData name="List: Link" defStyleNum="dsNormal" underline="true" spellChecking="false"/>
       <itemData name="List: Checkbox" defStyleNum="dsVariable" spellChecking="false"/>
       <itemData name="Comment" defStyleNum="dsComment"/>
       <itemData name="Code" defStyleNum="dsInformation"/>
       <itemData name="Fenced Code" defStyleNum="dsInformation" spellChecking="false"/>
+      <itemData name="Table" defStyleNum="dsPreprocessor"/>
+      <itemData name="Emoji" defStyleNum="dsSpecialChar" spellChecking="false"/>
       <itemData name="Auto-Link" defStyleNum="dsOthers" spellChecking="false"/>
       <itemData name="Link" defStyleNum="dsOthers" underline="true" spellChecking="false"/>
       <itemData name="Mailto-Link" defStyleNum="dsOthers" spellChecking="false"/>
diff --git a/tests/docs/smoke-all/2024/09/24/issue-10821-b.qmd b/tests/docs/smoke-all/2024/09/24/issue-10821-b.qmd
index 434e98a14c0..305b7498552 100644
--- a/tests/docs/smoke-all/2024/09/24/issue-10821-b.qmd
+++ b/tests/docs/smoke-all/2024/09/24/issue-10821-b.qmd
@@ -5,7 +5,7 @@ _quarto:
   tests:
     html:
       ensureFileRegexMatches:
-        - ['<span class="in">#\| fig-cap: ''This figure will have ''''echo: fenced'''' in its caption.''</span>']
+        - ['<span class="co">#\| fig-cap: ''This figure will have ''''echo: fenced'''' in its caption.''</span>']
         - []
         # - ['fig-cap']
 ---
diff --git a/tests/docs/smoke-all/2024/09/24/issue-10821.qmd b/tests/docs/smoke-all/2024/09/24/issue-10821.qmd
index 5fb8830a288..f1d9eb3a9fd 100644
--- a/tests/docs/smoke-all/2024/09/24/issue-10821.qmd
+++ b/tests/docs/smoke-all/2024/09/24/issue-10821.qmd
@@ -5,7 +5,7 @@ _quarto:
   tests:
     html:
       ensureFileRegexMatches:
-        - ['<span class="in">#\| fig-cap: "This figure will have ''echo: fenced'' in its caption."</span>']
+        - ['<span class="co">#\| fig-cap: "This figure will have ''echo: fenced'' in its caption."</span>']
         - []
 ---
 
diff --git a/tests/docs/text-highlighting/markdown-quarto-syntax.qmd b/tests/docs/text-highlighting/markdown-quarto-syntax.qmd
new file mode 100644
index 00000000000..16718edcbb0
--- /dev/null
+++ b/tests/docs/text-highlighting/markdown-quarto-syntax.qmd
@@ -0,0 +1,112 @@
+---
+title: Markdown block with quarto syntax
+format: html
+_quarto:
+  tests:
+    html:
+      ensureHtmlElements:
+        - 
+          - '#python pre.sourceCode.markdown'
+          - '#python span#cb1-14 span.op'
+          - '#ojs pre.sourceCode.markdown'
+          - '#ojs span#cb2-2 span.co'
+          - '#ojs span#cb2-7 span.op'
+          - '#julia pre.sourceCode.markdown'
+          - '#julia span#cb3-2 span.co'
+          - '#julia span#cb3-7 span.fu'
+          - '#mermaid pre.sourceCode.markdown'
+          - '#mermaid span#cb4-3 *:not(span)'
+          - '#dot pre.sourceCode.markdown'
+          - '#dot span#cb5-2 span.co'
+          - '#dot span#cb5-4 span.va'
+        - 
+           - '#python span#cb1-14 span.in'
+           - '#ojs span#cb2-7 span.in'
+           - '#julia span#cb3-7 span.in'
+           - '#mermaid span#cb4-3 span.in'
+           - '#dot span#cb5-4 span.in'
+---
+
+## Nested markdown with highlight python {#python}
+
+This is a quarto document example
+
+```` markdown
+---
+title: "Client Credentials Using the Python SDK"
+format: html
+---
+
+# Example Client Credentials Exchange
+
+This Quarto document is able to acquire an OAuth access token 
+from a Service Account OAuth integration.
+
+```{{python}}
+from posit import connect
+
+client = connect.Client()
+# NOTE: get_content_credentials reads the `CONNECT_CONTENT_SESSION_TOKEN`
+# from the environment to complete the credential exchange.
+print(client.oauth.get_content_credentials().get("access_token"))
+```
+
+````
+## embedded ojs highlight {#ojs}
+
+````markdown
+```{{ojs}}
+// Comment
+viewof bill_length_min = Inputs.range(
+  [32, 50], 
+  {value: 35, step: 1, label: "Bill length (min):"}
+)
+viewof islands = Inputs.checkbox(
+  ["Torgersen", "Biscoe", "Dream"], 
+  { value: ["Torgersen", "Biscoe"], 
+    label: "Islands:"
+  }
+)
+```
+````
+
+## embedded julia highlight {#julia}
+
+````markdown
+```{{julia}}
+#| label: fig-parametric
+#| fig-cap: "Parametric Plots"
+
+using Plots
+
+plot(sin, 
+     x->sin(2x), 
+     0, 
+     2π, 
+     leg=false, 
+     fill=(0,:lavender))
+```
+````
+
+## Embedded mermaid {#mermaid}
+
+````markdown
+```{{mermaid}}
+%%| fig-width: 6.5
+flowchart LR
+  A[Hard edge] --> B(Round edge)
+  B --> C{Decision}
+```
+````
+
+## Embedded dot {#dot}
+
+````markdown
+```{{dot}}
+//| label: fig-linux-kernel
+//| fig-cap: "A diagram of the Linux kernel."
+graph {
+  A -- B
+}
+```
+````