*Creates an #AtkAttributeSet which consists of the attributes explicitly
*set at the position @offset in the text. @start_offset and @end_offset are
*set to the start and end of the range around @offset where the attributes are
- *invariant.
+ *invariant. See the ATK_ATTRIBUTE macros, such as #ATK_ATTRIBUTE_LEFT_MARGIN
+ *for types of text attributes that can be returned. Note that other
+ *attributes that do not have corresponding macros may also be returned.
*
*Returns: an #AtkAttributeSet which contains the attributes explicitly set
*at @offset