diff --git a/polygerrit-ui/app/elements/admin/gr-plugin-list/gr-plugin-list.ts b/polygerrit-ui/app/elements/admin/gr-plugin-list/gr-plugin-list.ts
index 944cd7a..a2de840 100644
--- a/polygerrit-ui/app/elements/admin/gr-plugin-list/gr-plugin-list.ts
+++ b/polygerrit-ui/app/elements/admin/gr-plugin-list/gr-plugin-list.ts
@@ -173,7 +173,7 @@
   }
 
   private computePluginUrl(id: string) {
-    return getBaseUrl() + '/' + encodeURL(id, true);
+    return getBaseUrl() + '/' + encodeURL(id);
   }
 }
 
diff --git a/polygerrit-ui/app/elements/admin/gr-repo-detail-list/gr-repo-detail-list.ts b/polygerrit-ui/app/elements/admin/gr-repo-detail-list/gr-repo-detail-list.ts
index 981cbe4..41ad3f8 100644
--- a/polygerrit-ui/app/elements/admin/gr-repo-detail-list/gr-repo-detail-list.ts
+++ b/polygerrit-ui/app/elements/admin/gr-repo-detail-list/gr-repo-detail-list.ts
@@ -438,7 +438,7 @@
     // TODO: Replace with `createRepoUrl()`, but be aware that `encodeURL()`
     // gets `false` as a second parameter here. The router pattern in gr-router
     // does not handle the filter URLs, if the repo is not encoded!
-    return `/admin/repos/${encodeURL(repo ?? '', false)},${detailType}`;
+    return `/admin/repos/${encodeURL(repo ?? '')},${detailType}`;
   }
 
   private computeWeblink(repo: ProjectInfo | BranchInfo | TagInfo) {
diff --git a/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor.ts b/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor.ts
index 975dd3b..5f0a171 100644
--- a/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor.ts
+++ b/polygerrit-ui/app/elements/admin/gr-rule-editor/gr-rule-editor.ts
@@ -343,7 +343,7 @@
   // private but used in test
   computeGroupPath(groupId?: string) {
     if (!groupId) return;
-    return `${getBaseUrl()}/admin/groups/${encodeURL(groupId, true)}`;
+    return `${getBaseUrl()}/admin/groups/${encodeURL(groupId)}`;
   }
 
   // private but used in test
diff --git a/polygerrit-ui/app/elements/core/gr-router/gr-router.ts b/polygerrit-ui/app/elements/core/gr-router/gr-router.ts
index 94467b5..a841958 100644
--- a/polygerrit-ui/app/elements/core/gr-router/gr-router.ts
+++ b/polygerrit-ui/app/elements/core/gr-router/gr-router.ts
@@ -35,6 +35,7 @@
 import {fireAlert, firePageError} from '../../../utils/event-util';
 import {windowLocationReload} from '../../../utils/dom-util';
 import {
+  encodeURL,
   getBaseUrl,
   PatchRangeParams,
   toPath,
@@ -969,7 +970,7 @@
         if (ctx.params[0].toLowerCase() === 'self') {
           this.redirectToLogin(ctx.canonicalPath);
         } else {
-          this.redirect('/q/owner:' + encodeURIComponent(ctx.params[0]));
+          this.redirect('/q/owner:' + encodeURL(ctx.params[0]));
         }
       } else {
         const state: DashboardViewState = {
@@ -1275,7 +1276,7 @@
   }
 
   handleChangeNumberLegacyRoute(ctx: PageContext) {
-    this.redirect('/c/' + encodeURIComponent(ctx.params[0]));
+    this.redirect('/c/' + ctx.params[0]);
   }
 
   handleChangeRoute(ctx: PageContext) {
@@ -1578,9 +1579,7 @@
   }
 
   handleDocumentationSearchRedirectRoute(ctx: PageContext) {
-    this.redirect(
-      '/Documentation/q/filter:' + encodeURIComponent(ctx.params[0])
-    );
+    this.redirect('/Documentation/q/filter:' + encodeURL(ctx.params[0]));
   }
 
   handleDocumentationRedirectRoute(ctx: PageContext) {
diff --git a/polygerrit-ui/app/elements/core/gr-router/gr-router_test.ts b/polygerrit-ui/app/elements/core/gr-router/gr-router_test.ts
index 6cad45c..3ca7bdc 100644
--- a/polygerrit-ui/app/elements/core/gr-router/gr-router_test.ts
+++ b/polygerrit-ui/app/elements/core/gr-router/gr-router_test.ts
@@ -373,9 +373,9 @@
         view: GerritView.SETTINGS,
         emailToken: 'asdf',
       });
-      await checkUrlToState('/settings/VE/asdf%2520qwer', {
+      await checkUrlToState('/settings/VE/asdf%40qwer', {
         view: GerritView.SETTINGS,
-        emailToken: 'asdf+qwer',
+        emailToken: 'asdf@qwer',
       });
     });
 
@@ -1008,8 +1008,8 @@
         '/Documentation/q/filter:asdf'
       );
       await checkRedirect(
-        '/Documentation/q/as%20df',
-        '/Documentation/q/filter:as%20df'
+        '/Documentation/q/as%3Fdf',
+        '/Documentation/q/filter:as%3Fdf'
       );
 
       await checkUrlToState('/Documentation/q/filter:', {
diff --git a/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label_test.ts b/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label_test.ts
index e7c0536..71f8391 100644
--- a/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label_test.ts
+++ b/polygerrit-ui/app/elements/shared/gr-account-label/gr-account-label_test.ts
@@ -88,7 +88,7 @@
       /* HTML */ `
         <div class="container">
           <gr-hovercard-account for="hovercardTarget"></gr-hovercard-account>
-          <a class="ownerLink" href="/q/owner:user-31%2540" tabindex="-1">
+          <a class="ownerLink" href="/q/owner:user-31@" tabindex="-1">
             <span class="hovercardTargetWrapper">
               <gr-avatar hidden="" imagesize="32"> </gr-avatar>
               <span
diff --git a/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account-contents_test.ts b/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account-contents_test.ts
index b217562..a1ac781 100644
--- a/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account-contents_test.ts
+++ b/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account-contents_test.ts
@@ -79,7 +79,7 @@
         </div>
         <div class="links">
           <gr-icon icon="link" class="linkIcon"></gr-icon>
-          <a href="/q/owner:kermit%2540gmail.com">Changes</a>
+          <a href="/q/owner:kermit@gmail.com">Changes</a>
           ·
           <a href="/dashboard/31415926535">Dashboard</a>
         </div>
@@ -114,7 +114,7 @@
         </div>
         <div class="links">
           <gr-icon class="linkIcon" icon="link"> </gr-icon>
-          <a href="/q/owner:kermit%2540gmail.com"> Changes </a>
+          <a href="/q/owner:kermit@gmail.com"> Changes </a>
           ·
           <a href="/dashboard/31415926535"> Dashboard </a>
         </div>
diff --git a/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view.ts b/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view.ts
index f5837e3..7e90c8d 100644
--- a/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view.ts
+++ b/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view.ts
@@ -169,7 +169,7 @@
         if (!this.isConnected || !this.path) return;
         if (filter) {
           this.getNavigation().setUrl(
-            `${this.path}/q/filter:${encodeURL(filter, false)}`
+            `${this.path}/q/filter:${encodeURL(filter)}`
           );
           return;
         }
@@ -190,7 +190,7 @@
     const newOffset = Math.max(0, offset + this.itemsPerPage * direction);
     let href = getBaseUrl() + (this.path ?? '');
     if (this.filter) {
-      href += '/q/filter:' + encodeURL(this.filter, false);
+      href += '/q/filter:' + encodeURL(this.filter);
     }
     if (newOffset > 0) {
       href += `,${newOffset}`;
diff --git a/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view_test.ts b/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view_test.ts
index ecc1c25..cce2840 100644
--- a/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view_test.ts
+++ b/polygerrit-ui/app/elements/shared/gr-list-view/gr-list-view_test.ts
@@ -77,7 +77,7 @@
     element.filter = 'plugins/';
     assert.equal(
       element.computeNavLink(1),
-      '/admin/projects/q/filter:plugins%252F,50'
+      '/admin/projects/q/filter:plugins/,50'
     );
   });
 
diff --git a/polygerrit-ui/app/models/views/change.ts b/polygerrit-ui/app/models/views/change.ts
index a206037..153777f 100644
--- a/polygerrit-ui/app/models/views/change.ts
+++ b/polygerrit-ui/app/models/views/change.ts
@@ -196,7 +196,7 @@
     childView: ChangeChildView.DIFF,
   });
 
-  const path = `/${encodeURL(state.diffView?.path ?? '', true)}`;
+  const path = `/${encodeURL(state.diffView?.path ?? '')}`;
 
   let suffix = '';
   // TODO: Move creating of comment URLs to a separate function. We are
@@ -226,7 +226,7 @@
     patchNum: obj.patchNum ?? EDIT,
   });
 
-  const path = `/${encodeURL(state.editView?.path ?? '', true)}`;
+  const path = `/${encodeURL(state.editView?.path ?? '')}`;
   const line = state.editView?.lineNum;
   const suffix = line ? `#${line}` : '';
 
@@ -242,7 +242,7 @@
   if (range.length) range = '/' + range;
 
   let repo = '';
-  if (state.repo) repo = `${encodeURL(state.repo, true)}/+/`;
+  if (state.repo) repo = `${encodeURL(state.repo)}/+/`;
 
   return `${getBaseUrl()}/c/${repo}${state.changeNum}${range}`;
 }
diff --git a/polygerrit-ui/app/models/views/change_test.ts b/polygerrit-ui/app/models/views/change_test.ts
index 837e362..1e71bbd 100644
--- a/polygerrit-ui/app/models/views/change_test.ts
+++ b/polygerrit-ui/app/models/views/change_test.ts
@@ -74,7 +74,7 @@
       ...createChangeViewState(),
       repo: 'x+/y+/z+/w' as RepoName,
     };
-    assert.equal(createChangeUrl(state), '/c/x%252B/y%252B/z%252B/w/+/42');
+    assert.equal(createChangeUrl(state), '/c/x%2B/y%2B/z%2B/w/+/42');
   });
 
   test('createDiffUrl', () => {
@@ -85,7 +85,7 @@
     };
     assert.equal(
       createDiffUrl(params),
-      '/c/test-project/+/42/12/x%252By/path.cpp'
+      '/c/test-project/+/42/12/x%2By/path.cpp'
     );
 
     window.CANONICAL_PATH = '/base';
@@ -93,10 +93,10 @@
     window.CANONICAL_PATH = undefined;
 
     params.repo = 'test' as RepoName;
-    assert.equal(createDiffUrl(params), '/c/test/+/42/12/x%252By/path.cpp');
+    assert.equal(createDiffUrl(params), '/c/test/+/42/12/x%2By/path.cpp');
 
     params.basePatchNum = 6 as BasePatchSetNum;
-    assert.equal(createDiffUrl(params), '/c/test/+/42/6..12/x%252By/path.cpp');
+    assert.equal(createDiffUrl(params), '/c/test/+/42/6..12/x%2By/path.cpp');
 
     params.diffView = {
       path: 'foo bar/my+file.txt%',
@@ -105,7 +105,7 @@
     delete params.basePatchNum;
     assert.equal(
       createDiffUrl(params),
-      '/c/test/+/42/2/foo+bar/my%252Bfile.txt%2525'
+      '/c/test/+/42/2/foo+bar/my%2Bfile.txt%2525'
     );
 
     params.diffView = {
@@ -129,7 +129,7 @@
       repo: 'x+/y' as RepoName,
       diffView: {path: 'x+y/path.cpp'},
     };
-    assert.equal(createDiffUrl(params), '/c/x%252B/y/+/42/12/x%252By/path.cpp');
+    assert.equal(createDiffUrl(params), '/c/x%2B/y/+/42/12/x%2By/path.cpp');
   });
 
   test('createEditUrl', () => {
@@ -140,7 +140,7 @@
     };
     assert.equal(
       createEditUrl(params),
-      '/c/test-project/+/42/12/x%252By/path.cpp,edit#31'
+      '/c/test-project/+/42/12/x%2By/path.cpp,edit#31'
     );
 
     window.CANONICAL_PATH = '/base';
diff --git a/polygerrit-ui/app/models/views/dashboard.ts b/polygerrit-ui/app/models/views/dashboard.ts
index d9ff2d2..74523db 100644
--- a/polygerrit-ui/app/models/views/dashboard.ts
+++ b/polygerrit-ui/app/models/views/dashboard.ts
@@ -33,7 +33,7 @@
     const query = repoName
       ? section.query.replace(REPO_TOKEN_PATTERN, repoName)
       : section.query;
-    return encodeURIComponent(section.name) + '=' + encodeURIComponent(query);
+    return encodeURL(section.name) + '=' + encodeURL(query);
   });
 }
 
@@ -43,13 +43,13 @@
     // Custom dashboard.
     const queryParams = sectionsToEncodedParams(state.sections, repoName);
     if (state.title) {
-      queryParams.push('title=' + encodeURIComponent(state.title));
+      queryParams.push('title=' + encodeURL(state.title));
     }
     const user = state.user ? state.user : '';
     return `${getBaseUrl()}/dashboard/${user}?${queryParams.join('&')}`;
   } else if (repoName) {
     // Project dashboard.
-    const encodedRepo = encodeURL(repoName, true);
+    const encodedRepo = encodeURL(repoName);
     return `${getBaseUrl()}/p/${encodedRepo}/+/dashboard/${state.dashboard}`;
   } else {
     // User dashboard.
diff --git a/polygerrit-ui/app/models/views/dashboard_test.ts b/polygerrit-ui/app/models/views/dashboard_test.ts
index 86bb5c0..a7620dd 100644
--- a/polygerrit-ui/app/models/views/dashboard_test.ts
+++ b/polygerrit-ui/app/models/views/dashboard_test.ts
@@ -34,7 +34,7 @@
       };
       assert.equal(
         createDashboardUrl(state),
-        '/dashboard/?section%201=query%201&section%202=query%202'
+        '/dashboard/?section+1=query+1&section+2=query+2'
       );
     });
 
@@ -48,8 +48,8 @@
       };
       assert.equal(
         createDashboardUrl(state),
-        '/dashboard/?section%201=query%201%20repo-name&' +
-          'section%202=query%202%20repo-name'
+        '/dashboard/?section+1=query+1+repo-name&' +
+          'section+2=query+2+repo-name'
       );
     });
 
@@ -61,7 +61,7 @@
       };
       assert.equal(
         createDashboardUrl(state),
-        '/dashboard/user?name=query&title=custom%20dashboard'
+        '/dashboard/user?name=query&title=custom+dashboard'
       );
     });
 
diff --git a/polygerrit-ui/app/models/views/group.ts b/polygerrit-ui/app/models/views/group.ts
index 277bcff..2ab3735 100644
--- a/polygerrit-ui/app/models/views/group.ts
+++ b/polygerrit-ui/app/models/views/group.ts
@@ -22,7 +22,7 @@
 }
 
 export function createGroupUrl(state: Omit<GroupViewState, 'view'>) {
-  let url = `/admin/groups/${encodeURL(`${state.groupId}`, true)}`;
+  let url = `/admin/groups/${encodeURL(`${state.groupId}`)}`;
   if (state.detail === GroupDetailView.MEMBERS) {
     url += ',members';
   } else if (state.detail === GroupDetailView.LOG) {
diff --git a/polygerrit-ui/app/models/views/repo.ts b/polygerrit-ui/app/models/views/repo.ts
index ec65ca1..66bf5bf 100644
--- a/polygerrit-ui/app/models/views/repo.ts
+++ b/polygerrit-ui/app/models/views/repo.ts
@@ -36,7 +36,7 @@
 }
 
 export function createRepoUrl(state: Omit<RepoViewState, 'view'>) {
-  let url = `/admin/repos/${encodeURL(`${state.repo}`, true)}`;
+  let url = `/admin/repos/${encodeURL(`${state.repo}`)}`;
   if (state.detail === RepoDetailView.GENERAL) {
     url += ',general';
   } else if (state.detail === RepoDetailView.ACCESS) {
diff --git a/polygerrit-ui/app/models/views/search.ts b/polygerrit-ui/app/models/views/search.ts
index c5d394d..48775ce 100644
--- a/polygerrit-ui/app/models/views/search.ts
+++ b/polygerrit-ui/app/models/views/search.ts
@@ -86,42 +86,39 @@
   }
 
   if (params.query) {
-    return `${getBaseUrl()}/q/${encodeURL(params.query, true)}${offsetExpr}`;
+    return `${getBaseUrl()}/q/${encodeURL(params.query)}${offsetExpr}`;
   }
 
   const operators: string[] = [];
   if (params.owner) {
-    operators.push('owner:' + encodeURL(params.owner, false));
+    operators.push('owner:' + encodeURL(params.owner));
   }
   if (params.repo) {
-    operators.push('project:' + encodeURL(params.repo, false));
+    operators.push('project:' + encodeURL(params.repo));
   }
   if (params.branch) {
-    operators.push('branch:' + encodeURL(params.branch, false));
+    operators.push('branch:' + encodeURL(params.branch));
   }
   if (params.topic) {
     operators.push(
-      'topic:' +
-        escapeAndWrapSearchOperatorValue(encodeURL(params.topic, false))
+      'topic:' + escapeAndWrapSearchOperatorValue(encodeURL(params.topic))
     );
   }
   if (params.hashtag) {
     operators.push(
       'hashtag:' +
         escapeAndWrapSearchOperatorValue(
-          encodeURL(params.hashtag.toLowerCase(), false)
+          encodeURL(params.hashtag.toLowerCase())
         )
     );
   }
   if (params.statuses) {
     if (params.statuses.length === 1) {
-      operators.push('status:' + encodeURL(params.statuses[0], false));
+      operators.push('status:' + encodeURL(params.statuses[0]));
     } else if (params.statuses.length > 1) {
       operators.push(
         '(' +
-          params.statuses
-            .map(s => `status:${encodeURL(s, false)}`)
-            .join(' OR ') +
+          params.statuses.map(s => `status:${encodeURL(s)}`).join(' OR ') +
           ')'
       );
     }
diff --git a/polygerrit-ui/app/models/views/search_test.ts b/polygerrit-ui/app/models/views/search_test.ts
index 6809225..e2e02f5 100644
--- a/polygerrit-ui/app/models/views/search_test.ts
+++ b/polygerrit-ui/app/models/views/search_test.ts
@@ -56,10 +56,10 @@
 
     // The presence of the query param overrides other options.
     options.query = 'foo$bar';
-    assert.equal(createSearchUrl(options), '/q/foo%2524bar');
+    assert.equal(createSearchUrl(options), '/q/foo%24bar');
 
     options.offset = 100;
-    assert.equal(createSearchUrl(options), '/q/foo%2524bar,100');
+    assert.equal(createSearchUrl(options), '/q/foo%24bar,100');
 
     options = {statuses: ['a', 'b', 'c']};
     assert.equal(
diff --git a/polygerrit-ui/app/utils/url-util.ts b/polygerrit-ui/app/utils/url-util.ts
index 8564c3f..22a9721 100644
--- a/polygerrit-ui/app/utils/url-util.ts
+++ b/polygerrit-ui/app/utils/url-util.ts
@@ -81,18 +81,56 @@
 }
 
 /**
- * Pretty-encodes a URL. Double-encodes the string, and then replaces
- *   benevolent characters for legibility.
+ * Encodes *parts* of a URL. See inline comments below for the details.
+ * Note specifically that ? & = # are encoded. So this is very close to
+ * encodeURIComponent() with some tweaks.
  */
-export function encodeURL(url: string, replaceSlashes?: boolean): string {
-  // @see Issue 4255 regarding double-encoding.
-  let output = encodeURIComponent(encodeURIComponent(url));
-  // @see Issue 4577 regarding more readable URLs.
-  output = output.replace(/%253A/g, ':');
-  output = output.replace(/%2520/g, '+');
-  if (replaceSlashes) {
-    output = output.replace(/%252F/g, '/');
-  }
+export function encodeURL(url: string): string {
+  // page.js decodes the entire URL, and then decodes once more the
+  // individual regex matching groups. It uses `decodeURIComponent()`, which
+  // will choke on singular `%` chars without two trailing digits. We prefer
+  // to not double encode *everything* (just for readaiblity and simplicity),
+  // but `%` *must* be double encoded.
+  let output = url.replaceAll('%', '%25');
+
+  // This escapes ALL characters EXCEPT:
+  // A–Z a–z 0–9 - _ . ! ~ * ' ( )
+  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent
+  output = encodeURIComponent(output);
+
+  // If we would use `encodeURI()` instead of `encodeURIComponent()`, then we
+  // would also NOT encode:
+  // ; / ? : @ & = + $ , #
+  //
+  // That would be more readable, but for example ? and & have special meaning
+  // in the URL, so they must be encoded. Let's discuss all these chars and
+  // decide whether we have to encode them or not.
+  //
+  // ? & = # have to be encoded. Otherwise we might mess up the URL.
+  //
+  // : @ do not have to be encoded, because we are only dealing with path,
+  // query and fragment of the URL, not with scheme, user, host, port.
+  // For search queries it is much nicer to not encode those chars, think of
+  // searching for `owner:spearce@spearce.org`.
+  //
+  // / does not have to be encoded, because we don't care about individual path
+  // components. File path and repo names are so much nicer to read without /
+  // being encoded!
+  //
+  // + must be encoded, because we want to use it instead of %20 for spaces, see
+  // below.
+  //
+  // ; $ , probably don't have to be encoded, but we don't bother about them
+  // much, so we don't reverse the encoding here, but we don't think it would
+  // cause any harm, if we did.
+  output = output.replace(/%3A/g, ':');
+  output = output.replace(/%40/g, '@');
+  output = output.replace(/%2F/g, '/');
+
+  // page.js replaces `+` by ` ` in addition to calling `decodeURIComponent()`.
+  // So we can use `+` to increase readability.
+  output = output.replace(/%20/g, '+');
+
   return output;
 }
 
diff --git a/polygerrit-ui/app/utils/url-util_test.ts b/polygerrit-ui/app/utils/url-util_test.ts
index a014dc2..16f85dd 100644
--- a/polygerrit-ui/app/utils/url-util_test.ts
+++ b/polygerrit-ui/app/utils/url-util_test.ts
@@ -102,28 +102,21 @@
 
   suite('url encoding and decoding tests', () => {
     suite('encodeURL', () => {
-      test('double encodes', () => {
-        assert.equal(encodeURL('abc?123'), 'abc%253F123');
-        assert.equal(encodeURL('def/ghi'), 'def%252Fghi');
-        assert.equal(encodeURL('jkl'), 'jkl');
-        assert.equal(encodeURL(''), '');
+      test('does not encode alphanumeric chars', () => {
+        assert.equal(encodeURL("AZaz09-_.!~*'()"), "AZaz09-_.!~*'()");
       });
 
-      test('does not convert colons', () => {
-        assert.equal(encodeURL('mno:pqr'), 'mno:pqr');
+      test('double encodes %', () => {
+        assert.equal(encodeURL('abc%def'), 'abc%2525def');
       });
 
-      test('converts spaces to +', () => {
+      test('does not encode colon and slash', () => {
+        assert.equal(encodeURL(':/'), ':/');
+      });
+
+      test('encodes spaces as +', () => {
         assert.equal(encodeURL('words with spaces'), 'words+with+spaces');
       });
-
-      test('does not convert slashes when configured', () => {
-        assert.equal(encodeURL('stu/vwx', true), 'stu/vwx');
-      });
-
-      test('does not convert slashes when configured', () => {
-        assert.equal(encodeURL('stu/vwx', true), 'stu/vwx');
-      });
     });
 
     suite('singleDecodeUrl', () => {