Fix inline callout regex and li rendering for markdown links (#3355)

Co-authored-by: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

Author: Mpdreamz

src/Elastic.Markdown/Myst/CodeBlocks/CallOutParser.cs

@@ -11,6 +11,6 @@ public static partial class CallOutParser
 	[GeneratedRegex(@"^.+\S+.*?\s<\d+>$", RegexOptions.IgnoreCase, 2000)]
 	public static partial Regex CallOutNumber();
 
-	[GeneratedRegex(@"^.+\S+.*?\s(?:\/\/|#)\s[^""\/#]+$", RegexOptions.IgnoreCase, 2000)]
+	[GeneratedRegex(@"^.+\S+.*?\s(?:\/\/|#)\s[^""#]+$", RegexOptions.IgnoreCase, 2000)]
 	public static partial Regex MathInlineAnnotation();
 }

src/Elastic.Markdown/Myst/CodeBlocks/EnhancedCodeBlockHtmlRenderer.cs

@@ -239,8 +239,8 @@ protected override void Write(HtmlRenderer renderer, EnhancedCodeBlock block)
 			_ = renderer.WriteLine("<ol class=\"code-callouts\">");
 			foreach (var c in block.UniqueCallOuts)
 			{
-				_ = renderer.WriteLine("<li>");
-				_ = renderer.WriteLine(RenderCalloutMarkdown(block, c).Value ?? string.Empty);
+				_ = renderer.Write("<li>");
+				_ = renderer.Write(RenderCalloutMarkdown(block, c).Value ?? string.Empty);
 				_ = renderer.WriteLine("</li>");
 			}