Sets the attributes for a specified range. See the ATK_ATTRIBUTE
macros (such as #ATK_ATTRIBUTE_LEFT_MARGIN) for examples of attributes
that can be set. Note that other attributes that do not have corresponding
ATK_ATTRIBUTE macros may also be set for certain text widgets.
Sets the attributes for a specified range. See the ATK_ATTRIBUTE macros (such as #ATK_ATTRIBUTE_LEFT_MARGIN) for examples of attributes that can be set. Note that other attributes that do not have corresponding ATK_ATTRIBUTE macros may also be set for certain text widgets.