[ELPA] New package: activities

[Adam Porter]

Hi,

I'd like to add a new package to ELPA, activities.el.  It's hosted at:

  https://github.com/alphapapa/activities.el

Here's the description; please see the readme/manual for more details.

  Inspired by Genera's and KDE's concepts of "activities", this library 
allows the user to select an "activity", the loading of which restores a 
window configuration and/or frameset, along with the buffers shown in 
each window.  Saving an activity saves the state for later restoration. 
Switching away from an activity saves the last-used state for later 
switching back to, while still allowing the activity's initial or 
default state to be restored on demand.  Resuming an activity loads the 
last-used state, or the initial/default state when a universal argument 
is provided.

  The implementation uses the bookmark system to save buffers' 
states–that is, any major mode that supports the bookmark system is 
compatible.  A buffer whose major mode does not support the bookmark 
system (or does not support it well enough to restore useful state) is 
not compatible and can't be fully restored, or perhaps not at all; but 
solving that is as simple as implementing bookmark support for the mode, 
which is usually trivial.

  Integration with Emacs's `tab-bar-mode' is provided: a window 
configuration or frameset can be restored to a window or set of frames, 
or to a tab or set of tabs.

  Various hooks are (or will be–feedback is welcome) provided, both 
globally and per-activity, so that the user can define functions to be 
called when an activity is saved, restored, or switched from/to.  For 
example, this could be used to limit the set of buffers offered for 
switching to within an activity, or to track the time spent in an activity.

Please see the attached patch to elpa-packages.

Thanks,
Adam

0001-elpa-packages-activities-New-package.patch
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