diff --git a/codemirror/editor.js b/codemirror/editor.js
index 8aec27cf..f800bcde 100644
--- a/codemirror/editor.js
+++ b/codemirror/editor.js
@@ -25,7 +25,7 @@ import {
 } from "@codemirror/language"
 export {ensureSyntaxTree, LanguageSupport} from "@codemirror/language"
 import {tags} from "@lezer/highlight"
-export {linter, lintGutter, lintKeymap} from "@codemirror/lint";
+export {linter, lintGutter, lintKeymap, setDiagnostics} from "@codemirror/lint";
 export {autocompletion, insertCompletionText} from "@codemirror/autocomplete";
 
 
@@ -38,7 +38,7 @@ const myHighlightStyle = HighlightStyle.define([
 export const default_extensions = [
     basicSetup,
     history(),
-    keymap.of([...defaultKeymap, ...historyKeymap, indentWithTab, {linux: "Mod-Shift-z" run: redo, preventDefault: true},]),
+    keymap.of([...defaultKeymap, ...historyKeymap, indentWithTab, {linux: "Mod-Shift-z", run: redo, preventDefault: true}]),
     syntaxHighlighting(defaultHighlightStyle),
     syntaxHighlighting(myHighlightStyle),
     indentUnit.of("    ")
diff --git a/docs/playground/json_editor.md b/docs/playground/json_editor.md
index fe872532..85624407 100644
--- a/docs/playground/json_editor.md
+++ b/docs/playground/json_editor.md
@@ -708,7 +708,6 @@ body.wide .container {
             return [
                 this.decoration_field,
                 this.info_box_field,
-                CodeMirrorWrapper.linter((() => this.lint_errors).bind(this))
             ]
         }
 
@@ -733,6 +732,12 @@ body.wide .container {
 
                 this.get_syntax_errors(tree);
             }
+            else
+            {
+                this.lint_errors = [];
+            }
+
+            view.dispatch(CodeMirrorWrapper.setDiagnostics(view.state, this.lint_errors));
 
             view.dispatch({effects: [this.load_info_effect.of({result: result})]});
         }
diff --git a/docs/scripts/editor.bundle.js b/docs/scripts/editor.bundle.js
index 477de752..769c23d1 100644
--- a/docs/scripts/editor.bundle.js
+++ b/docs/scripts/editor.bundle.js
@@ -23770,7 +23770,7 @@
    const default_extensions = [
        basicSetup,
        history(),
-       keymap.of([...defaultKeymap, ...historyKeymap, indentWithTab]),
+       keymap.of([...defaultKeymap, ...historyKeymap, indentWithTab, {linux: "Mod-Shift-z", run: redo, preventDefault: true}]),
        syntaxHighlighting(defaultHighlightStyle),
        syntaxHighlighting(myHighlightStyle),
        indentUnit.of("    ")
@@ -23806,6 +23806,7 @@
    exports.linter = linter;
    exports.on_change = on_change;
    exports.redo = redo;
+   exports.setDiagnostics = setDiagnostics;
    exports.showTooltip = showTooltip;
    exports.undo = undo;