Product Version: NetBeans IDE Dev (Build 201508100002)
Java: 1.8.0_60-ea; Java HotSpot(TM) 64-Bit Server VM 25.60-b23
Runtime: Java(TM) SE Runtime Environment 1.8.0_60-ea-b25
System: Windows 7 version 6.1 running on amd64; Cp1252; en_CA (nb)
User directory: C:\Users\Gili\AppData\Roaming\NetBeans\dev
Cache directory: C:\Users\Gili\AppData\Local\NetBeans\Cache\dev

1. Open testcase.
2. Replace the Javadoc for toString() with:

	/**
	 * {@inheritDoc}
	 *
	 * @return my special string
	 */

3. Invoke code format. Notice that the new Javadoc is:

	/**
	 * {@inheritDoc}
	 * <p>
	 * @return my special string
	 */

4. This is okay. Now invoke code format again. The new Javadoc is:

	/**
	 * {@inheritDoc} <p>
	 * @return my special string
	 */

5. This is unexpected (I am expecting code-format to be idempotent)

Similar (but worse) bug:

1. Enter the following Javadoc:

	/**
	 * {@inheritDoc}
	 * @return my special string
	 */

2. Code format results in:

	/**
	 * {@inheritDoc} @return my special string
	 */

3. This results in incorrect Javadoc (@return is treated as raw text instead of as a tag)