diff --git a/swap.js b/swap.js
index 8bda5c7..fa44879 100644
--- a/swap.js
+++ b/swap.js
@@ -1,45 +1,45 @@
 var Swap = (() => {
-    "use strict";
-    var loaders = {}, unloaders = {};
-    register_links();
-    new MutationObserver(dom_changes).observe(document.querySelector("html"), { childList: true, subtree: true });
-    window.addEventListener("popstate", () => update(location.href, "[swap-history-restore]", false, "body"));
-    window.addEventListener("DOMContentLoaded", dom_load);
-    function update(href, target, pushstate, fallback = null) {
-        fetch(href, { headers: new Headers({"swap-target": target}) }).then(r => r.text()).then(html => {
-            var tmp = document.createElement('html');
-            tmp.innerHTML = html;
-            (document.querySelector(target) ?? document.querySelector(fallback)).outerHTML = (tmp.querySelector(target) ?? tmp.querySelector(fallback)).outerHTML;
-            if (pushstate)
-                history.pushState({}, "", href);
-            register_links();  
-        });
-    }
-    function register_links() {
-        for (const elt of document.querySelectorAll('*[swap-target]'))
-            elt.onclick = e => {
-                update(elt.getAttribute('href'), elt.getAttribute('swap-target'), elt.getAttribute('swap-history'));
-                e.preventDefault();
-            }
-    }
-    function dom_changes(mutations) {
-        for (var selector in unloaders)
-            for (var m of mutations)
-                for (var n of m.removedNodes)
-                    if (n.matches && n.querySelector && (n.matches(selector) || n.querySelector(selector))) {
-                        unloaders[selector]();
-                        delete unloaders[selector];
-                    }
-        for (var selector in loaders)
-            for (var m of mutations)
-                for (var n of m.addedNodes) 
-                    if (n.matches && n.querySelector && (n.matches(selector) || n.querySelector(selector)))
-                            unloaders[selector] = loaders[selector]();
-    }
-    function dom_load() {
-        for (var selector in loaders)
-            if (document.querySelector(selector))
-                    unloaders[selector] = loaders[selector]();
-    }
-    return {loaders: loaders};
+  "use strict";
+  var loaders = {}, unloaders = {};
+  register_links();
+  new MutationObserver(dom_changes).observe(document.querySelector("html"), { childList: true, subtree: true });
+  window.addEventListener("popstate", () => update(location.href, "[swap-history-restore]", false, "body"));
+  window.addEventListener("DOMContentLoaded", dom_load);
+  function update(href, target, pushstate, fallback = null) {
+    fetch(href, { headers: new Headers({ "swap-target": target }) }).then(r => r.text()).then(html => {
+      var tmp = document.createElement('html');
+      tmp.innerHTML = html;
+      (document.querySelector(target) ?? document.querySelector(fallback)).outerHTML = (tmp.querySelector(target) ?? tmp.querySelector(fallback)).outerHTML;
+      if (pushstate === "true" || pushstate === true)
+        history.pushState({}, "", href);
+      register_links();
+    });
+  }
+  function register_links() {
+    for (const elt of document.querySelectorAll('*[swap-target]'))
+      elt.onclick = e => {
+        update(elt.getAttribute('href'), elt.getAttribute('swap-target'), elt.getAttribute('swap-history'));
+        e.preventDefault();
+      }
+  }
+  function dom_changes(mutations) {
+    for (var selector in unloaders)
+      for (var m of mutations)
+        for (var n of m.removedNodes)
+          if (n.matches && n.querySelector && (n.matches(selector) || n.querySelector(selector))) {
+            unloaders[selector]();
+            delete unloaders[selector];
+          }
+    for (var selector in loaders)
+      for (var m of mutations)
+        for (var n of m.addedNodes)
+          if (n.matches && n.querySelector && (n.matches(selector) || n.querySelector(selector)))
+            unloaders[selector] = loaders[selector]();
+  }
+  function dom_load() {
+    for (var selector in loaders)
+      if (document.querySelector(selector))
+        unloaders[selector] = loaders[selector]();
+  }
+  return { loaders: loaders };
 })();