Fix: Mis-nested form tags inside template parsed incorrectly

Ensures that form end tags inside templates forcibly close any inner tags, aligning behavior with HTML5 standard: https://html.spec.whatwg.org/multipage/parsing.html#parsing:~:text=An%20end%20tag%20whose%20tag%20name%20is%20%22form%22 Bug: 352896478 TEST=Added web test case to check parsing behavior with nested form tags. Change-Id: Ia3ad421f8c6875942ce0a95cb4c5dcfc8c6833aa Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6009220 Commit-Queue: Mason Freed <masonf@chromium.org> Reviewed-by: Di Zhang <dizhangg@chromium.org> Reviewed-by: Mason Freed <masonf@chromium.org> Cr-Commit-Position: refs/heads/main@{#1384096}
web-platform-tests · Nov 17, 2024 · 577bbc9 · 577bbc9
1 parent 6cf69a4
commit 577bbc9
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/html/syntax/parsing/misnested-form-in-template.html b/html/syntax/parsing/misnested-form-in-template.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<link rel="author" href="mailto:haoran.tang.personal@gmail.com">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div>
+  A<template><br>BC<form>D<div>E</form>F</div>G</template>H
+</div>
+
+<script>
+test(function() {
+  const wrapper = document.querySelector('div');
+  const expectedContent = "A<template><br>BC<form>D<div>E</div></form>FG</template>H";
+  const actualContent = wrapper.innerHTML.trim();
+  assert_equals(actualContent, expectedContent, "The parsed structure should match the expected result with correctly nested elements.");
+}, "Testing parsing of misnested <form> tags inside <template>");
+</script>