FAQThis section contains frequently asked questions about the capabilities and use of Fonto Editor.On this page What schemas are supported by Fonto Editor? Does Fonto Editor support DTD / RNG? How does Fonto Editor handle large documents? What browsers are supported by Fonto Editor? On which devices can I use Fonto Editor? How does document size influence Fonto Editor? How do I get an instance of Fonto Editor? Can I get an editor instance with a schema supplied by Fonto? After creating an editor instance will I be able to see my content? How do I configure my elements to show in the content? How do I integrate Fonto Editor into my CMS? Does Fonto Editor support Cross Origin Resource Sharing (CORS) Fonto Editor doesn't place the cursor in the content upon first opening; why is that happening? Is Fonto Editor a WYSIWYG editor? Can I create custom UI? Fonto Editor says my XML file is invalid but online validators tell me the file is valid. What could be wrong? How can I debug operations? Am I restricted to using just the provided APIs? Which open-source components are used?