1.25.4 (unstable):

* Fix a crash when switching between Data and Find mode.
  (Murray Cumming)
* Fix some widget expansion in the UI.
  (Murray Cumming)
* Formatting: Do not allow a 0 line-height for multiline text.
  (Murray Cumming)
* Added some more tests.
  (Murray Cumming
* Some code cleanup.
  (Murray Cumming)