add format_fraction function
dont descend in the pitches of relative and transpose
indent mistake
new feature: the statusbar shows time position of the cursor

if text is selected, the length of the expression is shown
dont try the length of a pitch in a chord
dont sum alternatives
use include path
be sure length of Durable is never None
smarter: stop at non-music parent anyway
revert last change, keep alive makes more sense
Merge pull request #374 from PeterBjuhr/master

Fix key names for QSettings
time pos in music view tool tip
music does not depend on docinfo

put it in its own cache in fileinfo and documentinfo
doc, unneeded import
forgot
just stop outside music if we have seen music
unneeded import
Merge branch 'master' of https://github.com/wbsoft/frescobaldi