Merge pull request #9390 from marxin/fix-footnote-in-info

texinfo: fix emission of @footnote directives.

sphinx/writers/texinfo.py

@@ -1235,7 +1235,11 @@ def depart_sidebar(self, node: Element) -> None:
         self.depart_topic(node)
 
     def visit_label(self, node: Element) -> None:
-        self.body.append('@w{(')
+        # label numbering is automatically generated by Texinfo
+        if self.in_footnote:
+            raise nodes.SkipNode
+        else:
+            self.body.append('@w{(')
 
     def depart_label(self, node: Element) -> None:
         self.body.append(')} ')

tests/test_build_texinfo.py

@@ -114,6 +114,14 @@ def test_texinfo_escape_id(app, status, warning):
     assert translator.escape_id('.') == '.'
 
 
+@pytest.mark.sphinx('texinfo', testroot='footnotes')
+def test_texinfo_footnote(app, status, warning):
+    app.builder.build_all()
+
+    output = (app.outdir / 'python.texi').read_text()
+    assert 'First footnote: @footnote{\nFirst\n}' in output
+
+
 @pytest.mark.sphinx('texinfo')
 def test_texinfo_xrefs(app, status, warning):
     app.builder.build_all()