Apply customization from attributes to the breaks in attrs.
The line breaks are assumed to have been produced by funcPango.default_break and funcPango.tailor_break.
text to break. Must be valid UTF-8
pango.attr_list.AttrList to apply
Byte offset of text from the beginning of the paragraph
array with one pango.types.LogAttr per character in text, plus one extra, to be filled in
Apply customization from attributes to the breaks in attrs.
The line breaks are assumed to have been produced by funcPango.default_break and funcPango.tailor_break.