fix(uudoc): format and clippy issues in uudoc

Author: hwhsu1231

src/bin/uudoc.rs

@@ -465,9 +465,9 @@ impl MDWriter<'_, '_> {
     /// # Errors
     /// Returns an error if the writer fails.
     fn options(&mut self) -> io::Result<()> {
-        writeln!(self.w, "")?;
+        writeln!(self.w)?;
         writeln!(self.w, "## Options")?;
-        writeln!(self.w, "")?;
+        writeln!(self.w)?;
         write!(self.w, "<dl>")?;
         for arg in self.command.get_arguments() {
             write!(self.w, "<dt>")?;

tests/uudoc/mod.rs

@@ -144,8 +144,8 @@ fn test_markdown_header_format() {
     let docs_path = "docs/src/utils/cat.md";
 
     if fs::metadata(docs_path).is_ok() {
-        let content = fs::read_to_string(docs_path)
-            .expect("Failed to read generated markdown file");
+        let content =
+            fs::read_to_string(docs_path).expect("Failed to read generated markdown file");
 
         // Verify Options header is in markdown format (## Options)
         assert!(