This cleans up the implementation of the timer. Most important change
is that, after starting a time list with `C-c C-x -', you can then
simply use M-RET to add new items, which is addictive!
This patch implements a relative time for taking timed notes, useful
for example while watching a video, or during a meeting which is also
recorded. Here are the new commands:
- `C-c C-x .' ::
Insert a relative time into the buffer. The first time
you use this, the timer will be started. When called
with a prefix argument, the timer is reset to 0.
- `C-c C-x -' ::
Insert a description list item with the current relative
time. With a prefix argument, first reset the timer to 0.
- `C-c C-x 0' ::
Reset the timer without inserting anything into the buffer.
By default, the timer is reset to 0. When called with a
`C-u' prefix, reset the timer to specific starting
offset. The user is prompted for the offset, with a
default taken from a timer string at point, if any, So this
can be used to restart taking notes after a break in the
process. When called with a double prefix argument
`C-c C-u', change all timer strings in the active
region by a certain amount. This can be used to fix timer
strings if the timer was not started at exactly the right
moment.
