From 7baf3f1cb3d9ff7fc3d5ab4ad94270563f8ce039 Mon Sep 17 00:00:00 2001
From: LoveCany <admin@lovecany.me>
Date: Sun, 29 May 2022 01:26:32 +0900
Subject: [PATCH 1/2] Implement releaxedHTML5 into safelists based on original
 relaxed (partly implemented)

---
 src/main/java/org/jsoup/safety/Safelist.java | 24 ++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/main/java/org/jsoup/safety/Safelist.java b/src/main/java/org/jsoup/safety/Safelist.java
index cc5604e5e3..caa5270e1e 100644
--- a/src/main/java/org/jsoup/safety/Safelist.java
+++ b/src/main/java/org/jsoup/safety/Safelist.java
@@ -29,6 +29,7 @@ Thank you to Ryan Grove (wonko.com) for the Ruby HTML cleaner http://github.com/
  <li>{@link #basic}
  <li>{@link #basicWithImages}
  <li>{@link #relaxed}
+ <li>{@link #relaxedHTML5()}
  </ul>
  <p>
  If you need to allow more through (please be careful!), tweak a base safelist with:
@@ -180,6 +181,28 @@ public static Safelist relaxed() {
                 ;
     }
 
+    /**
+     This safelist allows a full range of text and structural body HTML with HTML5 standard, which is based on relaxed list:
+     <code>a, abbr, area, article, aside, b, blockquote, br, caption, cite, code, col, colgroup, dd, del, details,
+     div, dl, dt, em, footer, h1, h2, h3, h4, h5, h6, i, img, label, li, ol, p, pre, q, section, small, span, strike,
+     strong, sub, summary, sup, table, tbody, td, textarea, tfoot, th, thead, tr, u, ul</code>
+     <p>
+     Links do not have an enforced <code>rel=nofollow</code> attribute, but you can add that if desired.
+     </p>
+
+     @return safelist
+     */
+    public static Safelist relaxedHTML5() {
+        return relaxed().addTags("abbr", "area", "article", "aside", "blockquote", "del", "details", "footer",
+                        "label", "section", "summary", "textarea")
+                .addAttributes("abbr", "title")
+                .addAttributes("area", "alt")
+                .addAttributes("details", "open")
+                .addAttributes("label", "for", "form")
+                .addAttributes("section", "aria-labelledby", "aria-live", "aria-relevant")
+                .addAttributes("textarea", "id", "name", "rows", "cols");
+    }
+
     /**
      Create a new, empty safelist. Generally it will be better to start with a default prepared safelist instead.
 
@@ -187,6 +210,7 @@ public static Safelist relaxed() {
      @see #basicWithImages()
      @see #simpleText()
      @see #relaxed()
+     @see #relaxedHTML5()
      */
     public Safelist() {
         tagNames = new HashSet<>();

From 1a75b6221f80af4a4cb262a5a7c8835e64f005ff Mon Sep 17 00:00:00 2001
From: LoveCany <admin@lovecany.me>
Date: Sun, 29 May 2022 01:26:44 +0900
Subject: [PATCH 2/2] Add test of relaxedHTML5

---
 src/test/java/org/jsoup/safety/CleanerTest.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/test/java/org/jsoup/safety/CleanerTest.java b/src/test/java/org/jsoup/safety/CleanerTest.java
index f73e462ba4..0833829f40 100644
--- a/src/test/java/org/jsoup/safety/CleanerTest.java
+++ b/src/test/java/org/jsoup/safety/CleanerTest.java
@@ -50,6 +50,13 @@ public class CleanerTest {
         assertEquals("<h1>Head</h1><table><tbody><tr><td>One</td><td>Two</td></tr></tbody></table>", TextUtil.stripNewlines(cleanHtml));
     }
 
+    @Test public void testRelaxedHTML5() {
+        String h = "<details open><summary>Requirements</summary><p>Text</p><table><tr><td>One<td>Two</td></tr></table></details>";
+        String cleanHtml = Jsoup.clean(h, Safelist.relaxedHTML5());
+        assertEquals("<details open><summary>Requirements</summary><p>Text</p><table><tbody><tr><td>One</td><td>Two</td></tr></tbody></table></details>",
+                TextUtil.stripNewlines(cleanHtml));
+    }
+
     @Test public void testRemoveTags() {
         String h = "<div><p><A HREF='HTTP://nice.com'>Nice</a></p><blockquote>Hello</blockquote>";
         String cleanHtml = Jsoup.clean(h, Safelist.basic().removeTags("a"));