Hello Carsten,

I found myself wanting to run actions after I used the clock so I added
hooks to the most commonly actions in regards to clocks.

In case anyone is curious: I want to display the currently clocked in
task in my statusbar, and so I write it to a file and have an inotify
script update the statusbar on modification.

I used to do this via defadvice, but hooks seem cleaner and maybe
someone else wants to do something similar.

Carsten, if you think that not everything deserves a hook I won't have
any hard feelings if you don't apply it. :-)

br,
benny