fix: additional fixes for formatting lists for single entry

src/MfGames.Nitride.Markdown/MakeSingleLinkListItems.cs

@@ -39,7 +39,7 @@ public class MakeSingleLinkListItems : IOperation
 
         string output = Regex.Replace(
             content,
-            @"(?<item>-|\*) \[\[(?<label>[^\]]+?)\]\](?<post>[^\n]+)\n",
+            @"(?<item>(:?-|\*)\s+)\[\[(?<label>[^\]]+?)\]\](?<post>[^\n]+)\n",
             match =>
             {
                 string item = match.Groups["item"].ToString();
@@ -56,7 +56,7 @@ public class MakeSingleLinkListItems : IOperation
 
         output = Regex.Replace(
             output,
-            @"(?<item>-|\*) \[(?<label>[^\]]+?)\]\((?<path>[^\)]+?)\)(?<post>[^\n]+)\n",
+            @"(?<item>(:?-|\*)\s+)\[(?<label>[^\]]+?)\]\((?<path>[^\)]+?)\)(?<post>[^\n]+)\n",
             match =>
             {
                 string item = match.Groups["item"].ToString();

tests/MfGames.Nitride.Markdown.Tests/MakeSingleLinkListItemsTests.cs

@@ -64,6 +64,24 @@ public class MakeSingleLinkListItemsTests : TestBase<MarkdownTestContext>
         Assert.Equal("* [Empty space](link)", content);
     }
 
+    [Fact]
+    public void ExtendSingleMarkdownLinkSpaces()
+    {
+        // Prettier formats lists like this.
+        using MarkdownTestContext context = this.CreateContext();
+
+        List<Entity> input =
+            new()
+            {
+                new Entity().Set(IsMarkdown.Instance).SetTextContent("-   [Empty](link) space"),
+            };
+        MakeSingleLinkListItems? op = context.Resolve<MakeSingleLinkListItems>();
+        IEnumerable<Entity> output = op.Run(input);
+        string content = output.First().GetTextContentString()!.Trim();
+
+        Assert.Equal("-   [Empty space](link)", content);
+    }
+
     [Fact]
     public void NoLinksNoChange()
     {