resolves #2410 catalog all footnotes found inside AsciiDoc table cells

CHANGELOG.adoc

@@ -38,6 +38,7 @@ Improvements::
 
 Bug Fixes::
 
+* catalog all footnotes found inside AsciiDoc table cells and render them in the footnotes list (#2410)
 * correctly map all icons from FontAwesome 4 (#2373)
 * resolve remote image in document title or section title with autogenerated ID
 * keep caret between items in menu macro with previous item if items wrap

lib/asciidoctor/pdf/ext/prawn-table/cell/asciidoc.rb

@@ -42,14 +42,13 @@ def dry_run
           apply_font_properties do
             extent = @pdf.dry_run keep_together: true, single_page: true do
               push_scratch parent_doc
-              doc.catalog[:footnotes] = parent_doc.catalog[:footnotes]
+              doc.catalog[:footnotes] = parent_doc.catalog[:footnotes].dup unless doc == parent_doc
               # NOTE: we should be able to use cell.max_width, but returns 0 in some conditions (like when colspan > 1)
               indent cell.padding_left, bounds.width - cell.width + cell.padding_right do
                 move_down padding_y if padding_y > 0
                 conceal_page_top { traverse cell.content }
               end
               pop_scratch parent_doc
-              doc.catalog[:footnotes] = parent_doc.catalog[:footnotes]
             end
           end
           # NOTE: prawn-table doesn't support cells that exceed the height of a single page
@@ -90,6 +89,8 @@ def draw_content
           #   end
           # end
           start_page = pdf.page_number
+          parent_doc = (doc = content.document).nested? ? doc.parent_document : doc
+          doc.catalog[:footnotes] = parent_doc.catalog[:footnotes]
           # TODO: apply horizontal alignment; currently it is necessary to specify alignment on content blocks
           apply_font_properties { pdf.traverse content }
           if (extra_pages = pdf.page_number - start_page) > 0

spec/table_spec.rb

@@ -2028,7 +2028,7 @@
       (expect (markers_x[0] - left_edge).round 2).to eql reference_x
     end
 
-    it 'should capture footnotes in AsciiDoc table cell and render them with other footnotes' do
+    it 'should capture footnote in AsciiDoc table cell and render them with other footnotes' do
       pdf = to_pdf <<~'END', analyze: true
       before{empty}footnote:[Footnote before table]
 
@@ -2050,6 +2050,28 @@
       (expect pdf.lines).to eql expected_lines
     end
 
+    it 'should capture footnotes in multiple AsciiDoc table cells and render them with other footnotes' do
+      pdf = to_pdf <<~'END', analyze: true
+      [cols=1a]
+      |===
+      |first{empty}footnote:[First footnote inside table]
+      |second{empty}footnote:[Second footnote inside table]
+      |===
+
+      third{empty}footnote:[Footnote outside of table]
+      END
+
+      expected_lines = [
+        'first[1]',
+        'second[2]',
+        'third[3]',
+        '1. First footnote inside table',
+        '2. Second footnote inside table',
+        '3. Footnote outside of table',
+      ]
+      (expect pdf.lines).to eql expected_lines
+    end
+
     it 'should not fail to fit content in table cell and create blank page when margin bottom is 0' do
       pdf_theme = {
         base_font_family: 'M+ 1mn',