diff --git a/layouts/partials/anchored_headings.html b/layouts/partials/anchored_headings.html
new file mode 100644
index 00000000..62a50842
--- /dev/null
+++ b/layouts/partials/anchored_headings.html
@@ -0,0 +1,2 @@
+<!-- formats .Content headings by adding an anchor -->
+{{ . | replaceRE "(<h[2-3] id=\"([^\"]+)\".+)(</h[2-9]+>)" "${1}<a class=\"anchor\" href=\"#${2}\">#</a>${3}" | safeHTML }}