From 6c84116091db77c0123e12cdf8331600bf0c7769 Mon Sep 17 00:00:00 2001
From: Jameson Graef Rollins <jrollins@finestructure.net>
Date: Mon, 9 Apr 2012 11:36:18 -0700
Subject: [PATCH] emacs: have tag-completion return all tags for nil input

Previously the function would fail if the initial input was nil.  Now
it will return a list of all tags, which obviously makes much more
sense.
---
 emacs/notmuch.el | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/emacs/notmuch.el b/emacs/notmuch.el
index 8b483995..ba833e64 100644
--- a/emacs/notmuch.el
+++ b/emacs/notmuch.el
@@ -85,6 +85,8 @@ For example:
 `notmuch-read-tag-changes' function.")
 
 (defun notmuch-tag-completions (&optional search-terms)
+  (if (null search-terms)
+      (setq search-terms (list "*")))
   (split-string
    (with-output-to-string
      (with-current-buffer standard-output