diff --git a/.gitignore b/.gitignore
index 72f55f38..b25a1d2f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,8 +9,6 @@ cabal.project.local~
 dist
 dist-newstyle
 cabal.sandbox.config
-mkcheck.sh
-mkinttest.sh
 /pandoc-crossref
 /*.tar.gz
 /result*
diff --git a/Makefile b/Makefile
index 776ec862..b0b09245 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,9 @@ push:
 test:
 	nix run .#test && nix run .#test-integrative
 
+regen-test-fixtures:
+	nix develop --command bash -c './mkcheck.sh && ./mkinttest.sh'
+
 cabal.project.freeze:
 	cabal freeze --constraint pandoc==$$(yq '.env.PANDOC_VERSION' .github/workflows/haskell.yml)
 
diff --git a/mkcheck.sh b/mkcheck.sh
new file mode 100755
index 00000000..a789f18f
--- /dev/null
+++ b/mkcheck.sh
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+pandoc -F pandoc-crossref -i docs/demo/demo.md -t native | sed 's/^/  /' > test/demo.inc
+pandoc --top-level-division=chapter -Mchapters -F pandoc-crossref -i docs/demo/demo.md -t native | sed 's/^/  /' > test/demo-chapters.inc
diff --git a/mkinttest.sh b/mkinttest.sh
new file mode 100755
index 00000000..a8293bfa
--- /dev/null
+++ b/mkinttest.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+branch="$(git branch --show-current)"
+
+pd=pandoc
+pc=pandoc-crossref
+
+find test/m2m -iname 'input.md' -print | while read i; do
+  echo $i
+  dn="$(dirname "$i")"
+  bdn="$(basename "$dn")"
+  listings=""
+  if [ "${bdn%%-*}" == "listings" ]; then
+    listings="--listings"
+  fi
+  "$pd" -F "$pc" "$i" -t markdown-raw_attribute-raw_html -o "$dn/expect.md"
+  case "$branch" in
+    "master") "$pd" -F "$pc" "$i" $listings -t latex -o "$dn/expect.tex";;
+  esac
+done