Apply customization from attributes to the breaks in attrs.
The line breaks are assumed to have been produced by [func@Pango.default_break] and [func@Pango.tailor_break].
| text |
text to break. Must be valid UTF-8 |
| length |
length of text in bytes (may be -1 if |
| attr_list |
`PangoAttrList` to apply |
| offset |
Byte offset of |
| attrs |
array with one `PangoLogAttr` per character in |
| attrs_len |
length of |