diff --git a/src/vs/workbench/contrib/markdown/browser/markedKatexSupport.ts b/src/vs/workbench/contrib/markdown/browser/markedKatexSupport.ts
index b40250ba514..6f1867ad3a7 100644
--- a/src/vs/workbench/contrib/markdown/browser/markedKatexSupport.ts
+++ b/src/vs/workbench/contrib/markdown/browser/markedKatexSupport.ts
@@ -207,6 +207,9 @@ export namespace MarkedKatexExtension {
return {
name: 'blockKatex',
level: 'block',
+ start(src: string) {
+ return src.match(new RegExp(blockRule.source, 'm'))?.index;
+ },
tokenizer(src: string, tokens: marked.Token[]) {
const match = src.match(blockRule);
if (match) {
diff --git a/src/vs/workbench/contrib/markdown/test/browser/__snapshots__/Markdown_Katex_Support_Test_Should_support_blocks_immediately_after_paragraph.0.snap b/src/vs/workbench/contrib/markdown/test/browser/__snapshots__/Markdown_Katex_Support_Test_Should_support_blocks_immediately_after_paragraph.0.snap
new file mode 100644
index 00000000000..5b0db350ca6
--- /dev/null
+++ b/src/vs/workbench/contrib/markdown/test/browser/__snapshots__/Markdown_Katex_Support_Test_Should_support_blocks_immediately_after_paragraph.0.snap
@@ -0,0 +1 @@
+Block example:
∫−∞∞e−x2dx=π
diff --git a/src/vs/workbench/contrib/markdown/test/browser/markdownKatexSupport.test.ts b/src/vs/workbench/contrib/markdown/test/browser/markdownKatexSupport.test.ts
index 5bac4cfd8c8..5ef9f2cb65a 100644
--- a/src/vs/workbench/contrib/markdown/test/browser/markdownKatexSupport.test.ts
+++ b/src/vs/workbench/contrib/markdown/test/browser/markdownKatexSupport.test.ts
@@ -35,5 +35,15 @@ suite('Markdown Katex Support Test', () => {
const rendered = await renderMarkdownWithKatex('Hello ($\\frac{1}{2}$) World!');
await assertSnapshot(rendered.element.innerHTML);
});
+
+ test('Should support blocks immediately after paragraph', async () => {
+ const rendered = await renderMarkdownWithKatex([
+ 'Block example:',
+ '$$',
+ '\\int_{-\\infty}^{\\infty} e^{-x^2} dx = \\sqrt{\\pi}',
+ '$$',
+ ].join('\n'));
+ await assertSnapshot(rendered.element.innerHTML);
+ });
});