list, fills it in with attributes from
the left, and then merges other on top of the hole.pangoAttrListSplice(object, other, pos, len)objectotherPangoAttrList] another PangoAttrListposlist at which to insert otherlenother
may only be present at some subsection of this range)pos in list by an amount len,
and then calling pangoAttrListChange with a copy
of each attribute in other in sequence (offset in position by pos).
This operation proves useful for, for instance, inserting
a pre-edit string in the middle of an edit buffer.