From 63ae5264a9d1cbe2c9678472a8fd58d52af9d023 Mon Sep 17 00:00:00 2001
From: Alexandre ZANNI <16578570+noraj@users.noreply.github.com>
Date: Tue, 3 Oct 2023 22:37:09 +0200
Subject: [PATCH 1/5] fix front_matter_delimiter type

fix #256
---
 lib/commonmarker/config.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/commonmarker/config.rb b/lib/commonmarker/config.rb
index 80a07b56..f2c9f54e 100644
--- a/lib/commonmarker/config.rb
+++ b/lib/commonmarker/config.rb
@@ -26,7 +26,7 @@ module Config
         header_ids: "",
         footnotes: false,
         description_lists: false,
-        front_matter_delimiter: nil,
+        front_matter_delimiter: "",
         shortcodes: true,
       },
       format: [:html].freeze,

From b549b379b1a7f5e89a4aafad4c47eab1389940ba Mon Sep 17 00:00:00 2001
From: noraj <alexandre.zanni@europe.com>
Date: Tue, 3 Oct 2023 23:10:24 +0200
Subject: [PATCH 2/5] add test

---
 test/frontmatter_test.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/test/frontmatter_test.rb b/test/frontmatter_test.rb
index db37ecaa..c328f17f 100644
--- a/test/frontmatter_test.rb
+++ b/test/frontmatter_test.rb
@@ -14,4 +14,13 @@ def test_frontmatter_does_not_interfere_with_codeblock
 
     assert_equal(expected, Commonmarker.to_html(md, plugins: nil))
   end
+
+  def test_frontmatter_custom_delimiter
+    md = "---\nyaml: true\nage: 42\n---\n# Title 1"
+    expected = <<~HTML
+      <h1>Title 1</h1>
+    HTML
+
+    assert_equal(expected, Commonmarker.to_html(md, options: { extension: { front_matter_delimiter: "---" } }))
+  end
 end

From c070f1bf6b21150eaf4caacc2e6a5c990ad56e7d Mon Sep 17 00:00:00 2001
From: noraj <alexandre.zanni@europe.com>
Date: Tue, 3 Oct 2023 23:10:45 +0200
Subject: [PATCH 3/5] ignore virtual environment ruby files

---
 .gitignore | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index f9a79ac7..f5aa8904 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,8 +34,11 @@ build/
 
 # for a library or gem, you might want to ignore these files since the code is
 # intended to run in multiple environments; otherwise, check them in:
-# .ruby-version
-# .ruby-gemset
+# as rbenv
+.ruby-version
+.ruby-gemset
+# or ASDF-VM
+.tool-versions
 
 # unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
 .rvmrc

From 539b5c0bd12e02a104d82ca73ef9d39cfff17067 Mon Sep 17 00:00:00 2001
From: "Garen J. Torikian" <gjtorikian@users.noreply.github.com>
Date: Thu, 12 Oct 2023 19:20:59 -0400
Subject: [PATCH 4/5] only set value if it exists

---
 ext/commonmarker/src/options.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ext/commonmarker/src/options.rs b/ext/commonmarker/src/options.rs
index 2586f9cc..c42d6880 100644
--- a/ext/commonmarker/src/options.rs
+++ b/ext/commonmarker/src/options.rs
@@ -104,7 +104,11 @@ fn iterate_extension_options(comrak_options: &mut ComrakOptions, options_hash: R
                     comrak_options.extension.description_lists = TryConvert::try_convert(value)?;
                 }
                 Ok(Cow::Borrowed(EXTENSION_FRONT_MATTER_DELIMITER)) => {
-                    comrak_options.extension.front_matter_delimiter = try_convert_string(value);
+                    if let Some(option) = try_convert_string(value) {
+                        if !option.is_empty() {
+                            comrak_options.extension.front_matter_delimiter = Some(option);
+                        }
+                    }
                 }
                 Ok(Cow::Borrowed(EXTENSION_SHORTCODES)) => {
                     comrak_options.extension.shortcodes = TryConvert::try_convert(value)?;

From fb3b6b9d8eb32649327fd060aeed7d119cb7f5b1 Mon Sep 17 00:00:00 2001
From: "Garen J. Torikian" <gjtorikian@users.noreply.github.com>
Date: Thu, 12 Oct 2023 19:21:39 -0400
Subject: [PATCH 5/5] :gem: bump to 1.0.0.pre11

---
 lib/commonmarker/version.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/commonmarker/version.rb b/lib/commonmarker/version.rb
index 45ac4236..9b1122b9 100644
--- a/lib/commonmarker/version.rb
+++ b/lib/commonmarker/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Commonmarker
-  VERSION = "1.0.0.pre10"
+  VERSION = "1.0.0.pre11"
 end