Tab characters are not removed from single line comment

[romani]

content with tab:

public class Test {
  /**
   * The client's first name.
   *
   * @serialField serial String some test some testsome testsome testsome testsome testsome test
   * 			Path components separated by separator loooooooooooooooonooooooooooooooooooooog.
   */
  public String	thirdName;
  // here is tab 	.
  private serial	serial;
}

visualization of tabs and formatting:

$ cat -A Test.java 
public class Test {$
  /**$
   * The client's first name.$
   *$
   * @serialField serial String some test some testsome testsome testsome testsome testsome test$
   * ^I^I^IPath components separated by separator loooooooooooooooonooooooooooooooooooooog.$
   */$
  public String^IthirdName;$
  // here is tab ^I.$
  private serial^Iserial;$
}$


$ java -jar google-java-format-1.23.0-all-deps.jar Test.java > TestUpdated.java

$ cat -T TestUpdated.java 
public class Test {
  /**
   * The client's first name.
   *
   * @serialField serial String some test some testsome testsome testsome testsome testsome test
   *     Path components separated by separator loooooooooooooooonooooooooooooooooooooog.
   */
  public String thirdName;

  // here is tab ^I.
  private serial serial;
}

all tabs are removed except for singleline comment