/**
* Get the recursive state of the current object, i.e., its children. It
- * represents the full state information about this object's children.
+ * represents the full state information about this object's children. It
+ * may not contains spaces nor new lines.
+ *
+ * <p>
+ * Not that this state is <b>lossy</b>. You cannot retrieve the data from
+ * the state, it can only be used as an ID to check if thw data are
+ * identical.
+ * </p>
*
* @return a {@link String} representing the current content state of this
* object, i.e., its children included
/**
* Get the state of the current object, children <b>not included</b>. It
* represents the full state information about this object, but do not check
- * its children (see {@link BaseClass#getContentState()} for that).
+ * its children (see {@link BaseClass#getContentState()} for that). It may
+ * not contains spaces nor new lines.
+ *
+ * <p>
+ * Not that this state is <b>lossy</b>. You cannot retrieve the data from
+ * the state, it can only be used as an ID to check if thw data are
+ * identical.
+ * </p>
*
* @return a {@link String} representing the current state of this object,
* children not included