Fix refs positionning using a div for PDF output

src/resources/filters/main.lua

@@ -426,7 +426,9 @@ table.insert(quarto_filter_list, { name = "pre-render", filter = {} }) -- entry
 tappend(quarto_filter_list, quarto_layout_filters)
 tappend(quarto_filter_list, quarto_post_filters)
 table.insert(quarto_filter_list, { name = "post-render", filter = {} }) -- entry point for user filters
+table.insert(quarto_filter_list, { name = "pre-finalize", filter = {} }) -- entry point for user filters
 tappend(quarto_filter_list, quarto_finalize_filters)
+table.insert(quarto_filter_list, { name = "post-finalize", filter = {} }) -- entry point for user filters
 
 -- now inject user-defined filters on appropriate positions
 inject_user_filters_at_entry_points(quarto_filter_list)

src/resources/filters/quarto-finalize/coalesceraw.lua

@@ -22,7 +22,8 @@ function coalesce_raw()
       Div = function(div)
         -- only flatten out divs that have no classes or attributes
         -- (see https://github.com/quarto-dev/quarto-cli/issues/6936)
-        if #div.classes == 0 and #div.attributes == 0 then
+        -- or empty identifier (see https://github.com/quarto-dev/quarto-cli/issues/6867)
+        if #div.classes == 0 and #div.attributes == 0 and div.identifier == "" then
           return div.content
         end
       end

tests/docs/smoke-all/citations/biblatex-refs-position.qmd

@@ -0,0 +1,23 @@
+---
+title: Position citation
+bibliography: ref.bib
+cite-method: biblatex
+_quarto:
+  tests: 
+    latex:
+      ensureFileRegexMatches:
+        - ['\\subsection\{References\}[\s\S]+\\printbibliography\[heading=none\][\s\S]+\\subsection\{Appendix\}']
+        - []
+    pdf: null 
+---
+
+@Lovelace1842
+
+## References {#references}
+
+::: {#refs}
+:::
+
+## Appendix {#appendix}
+
+Blah.

tests/docs/smoke-all/citations/check-refs.lua

@@ -0,0 +1,23 @@
+--[[
+  This test that none of our Lua processing is removing the div of id refs which is used to hold the bibliography placement 
+  for Pandoc citeproc.
+--]]
+local ref_div_found = false
+
+Blocks = function(blocks)
+  blocks:walk({
+    Div = function(div)
+      if div.identifier == "refs" then
+        quarto.log.output(div)
+        ref_div_found = true
+      end
+    end
+  })
+end
+
+Pandoc = function(doc)
+  if not ref_div_found then
+    error("No div with identifier 'refs' found")
+    crash()
+  end
+end

tests/docs/smoke-all/citations/citeproc-refs-position.qmd

@@ -0,0 +1,31 @@
+---
+title: Position citation
+bibliography: ref.bib
+format:
+  html: default
+  latex: default
+filters:
+  - at: post-finalize
+    path: check-refs.lua
+_quarto:
+  tests: 
+    html:
+      ensureHtmlElements:
+        - ['#references div#refs.references div.csl-entry']
+        - []
+    latex:
+      ensureFileRegexMatches:
+        - ['\\subsection\{References\}[\s\S]+\\begin\{CSLReferences\}[\s\S]+\\subsection\{Appendix\}']
+        - []
+---
+
+@Lovelace1842
+
+## References {#references}
+
+::: {#refs}
+:::
+
+## Appendix {#appendix}
+
+Blah.

tests/docs/smoke-all/citations/natbib-refs-position.qmd

@@ -0,0 +1,23 @@
+---
+title: Position citation
+bibliography: ref.bib
+cite-method: natbib
+_quarto:
+  tests: 
+    latex:
+      ensureFileRegexMatches:
+        - ['\\subsection\{References\}[\s\S]+\\bibliography\{ref\.bib\}[\s\S]+\\subsection\{Appendix\}']
+        - []
+    pdf: null 
+---
+
+@Lovelace1842
+
+## References {#references}
+
+::: {#refs}
+:::
+
+## Appendix {#appendix}
+
+Blah.

tests/docs/smoke-all/citations/ref.bib

@@ -0,0 +1,11 @@
+@article{Lovelace1842,
+  author = {Lovelace, Augusta Ada},
+  title = {Sketch of the Analytical Engine Invented by {Charles}
+    {Babbage,} by {LF} {Menabrea,} Officer of the Military Engineers,
+    with Notes Upon the Memoir by the Translator},
+  journal = {TaylorÔÇÖs Scientific Memoirs},
+  volume = {3},
+  pages = {666-731},
+  date = {1842},
+  langid = {en-GB}
+}