Fix meta shortcode truncating multi-word values in raw HTML contexts

Author: cderv

src/resources/filters/quarto-pre/shortcodes-handlers.lua

@@ -267,8 +267,10 @@ function handleMeta(args, _kwargs, _meta, _raw_args, context)
       --
       -- differently to allow users to specify precisely the
       -- string they want to use.
-      if type(optionValue) == "table" and #optionValue > 0 and optionValue[1].t == "Str" then
+      if type(optionValue) == "table" and #optionValue == 1 and optionValue[1].t == "Str" then
         return optionValue[1].text
+      elseif pandoc.utils.type(optionValue) == "Inlines" then
+        return pandoc.utils.stringify(optionValue)
       else
         local blocks = pandoc.Blocks(optionValue)
         return pandoc.write(pandoc.Pandoc(blocks), "markdown")

tests/docs/smoke-all/2026/03/05/14159.qmd

@@ -0,0 +1,20 @@
+---
+format: html
+my-value: Release Candidate
+include-after-body:
+  text: |
+    <script>window["test-include"] = '{{< meta my-value >}}';</script>
+_quarto:
+  tests:
+    html:
+      ensureFileRegexMatches:
+        -
+          - "test-include.*Release Candidate"
+          - "test-rawblock.*Release Candidate"
+---
+
+Inline: {{< meta my-value >}}
+
+```{=html}
+<script>window["test-rawblock"] = '{{< meta my-value >}}';</script>
+```