Many (less easily automatically converted) old-style strings
remain.
Where there was any possible ambiguity about the exact version or
variant intended, nothing was changed. IANAL, nor a search robot.
Use `with stdenv.lib` wherever it makes sense.
Commit 207443b1849e7b1ce65059d2fdad81db04cc75d8 ("upgrade bacula")
updated the backula version in the src attribute but forgot to update
the version number in the name attribute.
