Improve release content in version-bump.sh

.github/latest_release_body.md

@@ -9,4 +9,11 @@ If you wish to keep your favorites alive, please, [vote here](https://github.com
 - Better frontend helpers
 - New [Pagy Playground](https://ddnexus.github.io/pagy/playground/) to showcase, clone and develop pagy APPs without any setup on
   your side (try the [pagy demo](https://ddnexus.github.io/pagy/playground.md#3-demo-app))
-- See the [Changelog](https://ddnexus.github.io/pagy/changelog) for possible breaking changes
+- See the [CHANGELOG](https://ddnexus.github.io/pagy/changelog) for possible breaking changes
+
+### Changes
+
+<!-- changes start -->
+<!-- changes end -->
+
+[CHANGELOG](https://ddnexus.github.io/pagy/changelog)

scripts/version-bump.sh

@@ -53,9 +53,13 @@ echo "$(git log --format="- %s%b" "$old_vers"..HEAD)" > "$TMPLOG"
 # Edit it
 read -p 'Edit and save the changelog content (enter)> '
 nano "$TMPLOG"
-# Set the release body file used by .github/workflows/create_release.yml
+
+# Insert the changes in the the release body file used by .github/workflows/create_release.yml
 # which is triggered by the :rubygem_release task (push tag)
-cp -fv "$TMPLOG" "$ROOT/.github/latest_release_body.md"
+lead='^<!-- changes start -->$'
+tail='^<!-- changes end -->$'
+sed -i "/$lead/,/$tail/{ /$lead/{p; r $TMPLOG
+        }; /$tail/p; d }" "$ROOT/.github/latest_release_body.md"
 
 # Update CHANGELOG
 changelog=$(cat <(echo -e "<hr>\n\n## Version $new_vers\n") "$TMPLOG")