[PATCH 0/3] emacs: do not call notmuch show for non-inlinable parts

[Dmitry Kurochkin]

This patch series has all comments from Austin's review [1] fixed.

Changes in v2 since v1:

* Rename $notmuch_counter variable to $notmuch_counter_command.
* Rename notmuch_counter() function to notmuch_counter_value().
* Fix documentation for notmuch_counter_value().
* Removed unneeded and add missing "|| return" in notmuch_counter_reset().
* Coding style fixes.

[1] id:"87ipm52cfs.fsf at awakening.csail.mit.edu"