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	diff --git a/src/index.ts b/src/index.ts
	index 7ab22b6..ccddb9a 100644
	--- a/src/index.ts
	+++ b/src/index.ts
	@@ -1,38 +1,45 @@
	import { FlatTemplatable, tempstream } from "tempstream";
	import { Registry } from "./registry";
	import { marked } from "marked";
	export * from "./component-arguments";
	export * from "./component";
	export * from "./registry";

	export type JDDocument = Array<{
	component_name: string;
	args: Record<string, unknown>;
	}>;

	export interface JDDContext {
	render_image: (path_to_image: string) => FlatTemplatable;
	render_markdown: (markdown: string) => FlatTemplatable;
	}

	export const simpleJDDContext: JDDContext = {
	render_image: (path) => /* HTML */ `<img src="file://path" />`,
	render_markdown: (string) => (string ? marked.parse(string) : ""),
	};

	export function render(
	registry: Registry,
	document: JDDocument,
	context: JDDContext
	) {
	return tempstream`${document.map(({ component_name, args }) => {
	const component = registry.get(component_name);
	if (!component) {
	console.warn(
	"Component not found in the registry: " + component_name
	);
	return "";
	}
	+ for (const arg_name in component?.getArguments()) {
	+ if (!Object.prototype.hasOwnProperty.call(args, arg_name)) {
	+ args[arg_name] = component
	+ ?.getArguments()
	+ [arg_name]?.getEmptyValue();
	+ }
	+ }
	return component.toHTML(args, context);
	})}`;
	}