So siehts ganz gut aus !

node_modules/pug/test/regression-2436/__snapshots__/index.test.js.snap

@@ -0,0 +1,15 @@
+exports[`test #2436 - block with a same name extends from different layout in nesting 1`] = `
+"
+<h1>layout </h1>
+<p>Main A</p>
+<h1>other layout</h1>
+<p>Other A</p>"
+`;
+
+exports[`test #2436 - block with a same name extends from the same layout in nesting 1`] = `
+"
+<h1>layout </h1>
+<p>Main A</p>
+<h1>layout </h1>
+<p>Other A</p>"
+`;

node_modules/pug/test/regression-2436/index.test.js

@@ -0,0 +1,17 @@
+const pug = require('../../');
+
+test('#2436 - block with a same name extends from the same layout in nesting', () => {
+    const output = pug.renderFile(
+        __dirname + '/issue1.pug',
+        {pretty: true}
+    );
+    expect(output).toMatchSnapshot();
+});
+
+test('#2436 - block with a same name extends from different layout in nesting', () => {
+    const output = pug.renderFile(
+        __dirname + '/issue2.pug',
+        {pretty: true}
+    );
+    expect(output).toMatchSnapshot();
+});

node_modules/pug/test/regression-2436/issue1.pug

@@ -0,0 +1,7 @@
+extends layout.pug
+
+block a
+    p Main A
+
+block b
+    include other1.pug

node_modules/pug/test/regression-2436/issue2.pug

@@ -0,0 +1,7 @@
+extends layout.pug
+
+block a
+    p Main A
+
+block b
+    include other2.pug

node_modules/pug/test/regression-2436/layout.pug

@@ -0,0 +1,6 @@
+h1 layout 
+
+block a
+    p block in layout
+
+block b

node_modules/pug/test/regression-2436/other1.pug

@@ -0,0 +1,4 @@
+extends layout.pug
+
+block a
+    p Other A

node_modules/pug/test/regression-2436/other2.pug

@@ -0,0 +1,4 @@
+extends other_layout.pug
+
+block a
+    p Other A

node_modules/pug/test/regression-2436/other_layout.pug

@@ -0,0 +1,4 @@
+h1 other layout
+
+block a
+    p block in other layout