Bug 83248 Warnings in javadoc generation
If you check N20050119-0010/compilelogs/platform.doc.isv.javadoc.txt, you will find that there are a lot of warnings during the javadoc generation of platform plugins. I will attach patches to get rid of them.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/IPreferenceStore.java
public long getLong(String name);
    /**
     * Returns the current value of the string-valued preference with the
     * given name.
     * Returns the default-default value (the empty string <code>""</code>)
     * if there is no preference with the given name, or if the current value 
     * cannot be treated as a string.
     *
     * @param name the name of the preference
     * @return the string-valued preference
     */
    public String getString(String name);
    /**
     * Returns whether the current value of the preference with the given name
     * has the default value.
     *
     * @param name the name of the preference
     * @return <code>true</code> if the preference has a known default value
     * and its current value is the same, and <code>false</code> otherwise
     * (including the case where the preference is unknown to this store)
     */
    public boolean isDefault(String name);
    /**
     * Returns whether the current values in this property store
     * require saving.
     *
     * @return <code>true</code> if at least one of values of 
     *  the preferences known to this store has changed and 
     *  requires saving, and <code>false</code> otherwise.
     */