diff --git a/package/scripts/windows/quarto.cmd b/package/scripts/windows/quarto.cmd
index ea57dab955f..dcc39a0742a 100644
--- a/package/scripts/windows/quarto.cmd
+++ b/package/scripts/windows/quarto.cmd
@@ -101,17 +101,31 @@ SET "DENO_TLS_CA_STORE=system,mozilla"
 SET "DENO_NO_UPDATE_CHECK=1"
 SET "QUARTO_DENO_OPTIONS=--unstable-ffi --no-config --cached-only --allow-read --allow-write --allow-run --allow-env --allow-net --allow-ffi"
 
-REM --enable-experimental-regexp-engine is required for /regex/l, https://github.com/quarto-dev/quarto-cli/issues/9737
+REM Add expected V8 options to QUARTO_DENO_V8_OPTIONS
 IF DEFINED QUARTO_DENO_V8_OPTIONS (
-  SET "QUARTO_DENO_V8_OPTIONS=--enable-experimental-regexp-engine,--max-old-space-size=8192,--max-heap-size=8192,!QUARTO_DENO_V8_OPTIONS!"
+	REM --enable-experimental-regexp-engine is required for /regex/l, https://github.com/quarto-dev/quarto-cli/issues/9737
+	IF "!QUARTO_DENO_V8_OPTIONS!"=="!QUARTO_DENO_V8_OPTIONS:--enable-experimental-regexp-engine=!" (
+		SET "QUARTO_DENO_V8_OPTIONS=--enable-experimental-regexp-engine,!QUARTO_DENO_V8_OPTIONS!"
+	)
+	IF "!QUARTO_DENO_V8_OPTIONS!"=="!QUARTO_DENO_V8_OPTIONS:--max-old-space-size=!" (
+		SET "QUARTO_DENO_V8_OPTIONS=--max-old-space-size=8192,!QUARTO_DENO_V8_OPTIONS!"
+	)
+	IF "!QUARTO_DENO_V8_OPTIONS!"=="!QUARTO_DENO_V8_OPTIONS:--max-heap-size=!" (
+		SET "QUARTO_DENO_V8_OPTIONS=--max-heap-size=8192,!QUARTO_DENO_V8_OPTIONS!"
+	)
 ) ELSE (
   SET "QUARTO_DENO_V8_OPTIONS=--enable-experimental-regexp-engine,--max-old-space-size=8192,--max-heap-size=8192"
 )
 
+REM Prepend v8-flags for deno run if necessary
 IF NOT DEFINED QUARTO_DENO_EXTRA_OPTIONS (
   SET "QUARTO_DENO_EXTRA_OPTIONS=--v8-flags=!QUARTO_DENO_V8_OPTIONS!"
 ) ELSE (
-  SET "QUARTO_DENO_EXTRA_OPTIONS=--v8-flags=!QUARTO_DENO_V8_OPTIONS! !QUARTO_DENO_EXTRA_OPTIONS!"
+	IF "!QUARTO_DENO_EXTRA_OPTIONS!"=="!QUARTO_DENO_EXTRA_OPTIONS:--v8-flags=!" (
+  	SET "QUARTO_DENO_EXTRA_OPTIONS=--v8-flags=!QUARTO_DENO_V8_OPTIONS! !QUARTO_DENO_EXTRA_OPTIONS!"
+	)	ELSE (
+		ECHO WARN: QUARTO_DENO_EXTRA_OPTIONS already contains --v8-flags, skipping addition of QUARTO_DENO_V8_OPTIONS by quarto itself. This is unexpected and you should check your configuration.
+	)
 )
 
 !QUARTO_DENO! !QUARTO_ACTION! !QUARTO_DENO_OPTIONS! !QUARTO_DENO_EXTRA_OPTIONS! !QUARTO_IMPORT_MAP_ARG! !QUARTO_TARGET! %*
diff --git a/src/resources/filters/normalize/parsehtml.lua b/src/resources/filters/normalize/parsehtml.lua
index 3e7c1cc0cd6..10a96065274 100644
--- a/src/resources/filters/normalize/parsehtml.lua
+++ b/src/resources/filters/normalize/parsehtml.lua
@@ -51,14 +51,21 @@ function parse_html_tables()
       jin:write(htmltext)
       jin:flush()
       local quarto_path = pandoc.path.join({os.getenv('QUARTO_BIN_PATH'), 'quarto'})
-      local jout = io.popen(quarto_path .. ' run ' ..
+      local jout, jerr = io.popen(quarto_path .. ' run ' ..
           pandoc.path.join({os.getenv('QUARTO_SHARE_PATH'), 'scripts', 'juice.ts'}) .. ' ' ..
           juice_in, 'r')
-      if jout then
-        return jout:read('a')
-      else
-        quarto.log.error('failed to juice')
+      if not jout then
+        quarto.log.error('Running juice failed with message: ' .. (jerr or "Unknown error"))
+        return htmltext
+      end
+      local content = jout:read('a')
+      local success, _, exitCode = jout:close()
+      -- Check the exit status
+      if not success then
+        quarto.log.error("Running juice failed with exit code: " .. (exitCode or "unknown exit code"))
         return htmltext
+      else
+        return content
       end
     end)
   end