- Update to 1.4.3
- critical bug fix for OPF metadata attributes that use named
entities
- fix mismatched override wait cursor usage
- fix crashes when dictionaries are missing on load or during
first spellcheck
- update the mapping of language codes to dictionaries without
the need to restart
- fix critical bug which caused split to break links that are
bare fragments
- fix additional critical bugs which caused split to lose
fragments from link targets
- fix double # chars in fragment ids during merge
- fix hang on load with bad encryption.xml font uris
- quiet unneeded debug output when importing an epub
- fix opf cleanup bug when identical xmlns values are used with
two different prefixes on the same tag