From 2f0ba7787299b474bb5c15aeb5ccdc0a31257970 Mon Sep 17 00:00:00 2001
From: Piotr Kwiecinski <piotr.kwiecinski@codemanufacture.com>
Date: Tue, 21 Mar 2023 19:09:12 +0100
Subject: [PATCH 1/3] uucore: fix help section doesn't render 3+ level headers

---
 src/uucore_procs/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/uucore_procs/src/lib.rs b/src/uucore_procs/src/lib.rs
index c1ef8bc75..0d8df7d9f 100644
--- a/src/uucore_procs/src/lib.rs
+++ b/src/uucore_procs/src/lib.rs
@@ -174,7 +174,7 @@ fn parse_help_section(section: &str, content: &str) -> String {
         .lines()
         .skip_while(|&l| !is_section_header(l, section))
         .skip(1)
-        .take_while(|l| !l.starts_with("##"))
+        .take_while(|l| !l.starts_with("## "))
         .collect::<Vec<_>>()
         .join("\n")
         .trim()

From 3b54421e9c86d0d492ce8b532ade3a38d6260ae2 Mon Sep 17 00:00:00 2001
From: Piotr Kwiecinski <piotr.kwiecinski@codemanufacture.com>
Date: Tue, 21 Mar 2023 20:42:45 +0100
Subject: [PATCH 2/3] uucore: add comment to parse_help_section

---
 src/uucore_procs/src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/uucore_procs/src/lib.rs b/src/uucore_procs/src/lib.rs
index 0d8df7d9f..73054f9c4 100644
--- a/src/uucore_procs/src/lib.rs
+++ b/src/uucore_procs/src/lib.rs
@@ -170,11 +170,14 @@ fn parse_help_section(section: &str, content: &str) -> String {
         )
     }
 
+    // Prefix includes space to allow processing of section with level 3-6 headers
+    let section_header_prefix = "## ";
+
     content
         .lines()
         .skip_while(|&l| !is_section_header(l, section))
         .skip(1)
-        .take_while(|l| !l.starts_with("## "))
+        .take_while(|l| !l.starts_with(section_header_prefix))
         .collect::<Vec<_>>()
         .join("\n")
         .trim()

From 154370a0c62dac4848957b1d2345a8a3878c87e2 Mon Sep 17 00:00:00 2001
From: Piotr Kwiecinski <piotr.kwiecinski@codemanufacture.com>
Date: Wed, 22 Mar 2023 16:57:41 +0100
Subject: [PATCH 3/3] uucore: parse_help_section test section with multiple
 header

---
 src/uucore_procs/src/lib.rs | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/uucore_procs/src/lib.rs b/src/uucore_procs/src/lib.rs
index 73054f9c4..ab2458ceb 100644
--- a/src/uucore_procs/src/lib.rs
+++ b/src/uucore_procs/src/lib.rs
@@ -255,6 +255,31 @@ mod tests {
         );
     }
 
+    #[test]
+    fn section_parsing_with_additional_headers() {
+        let input = "\
+            # ls\n\
+            ## after section\n\
+            This is some section\n\
+            \n\
+            ### level 3 header\n\
+            \n\
+            Additional text under the section.\n\
+            \n\
+            #### level 4 header\n\
+            \n\
+            Yet another paragraph\n";
+
+        assert_eq!(
+            parse_help_section("after section", input),
+            "This is some section\n\n\
+            ### level 3 header\n\n\
+            Additional text under the section.\n\n\
+            #### level 4 header\n\n\
+            Yet another paragraph"
+        );
+    }
+
     #[test]
     #[should_panic]
     fn section_parsing_panic() {