X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=emacs%2Fnotmuch-lib.el;h=d315f7656e9bc4a004575faa14be386a858cdb83;hp=c906ca76eda2f9e21e9b423e05debf6c53f7ba01;hb=6bd3d8af5431542f352f084b6366e88b98b019a1;hpb=e516a712bb79e523629012ee6a8325f5166b4ee5

diff --git a/emacs/notmuch-lib.el b/emacs/notmuch-lib.el
index c906ca76..d315f765 100644
--- a/emacs/notmuch-lib.el
+++ b/emacs/notmuch-lib.el
@@ -133,6 +133,15 @@ the user hasn't set this variable with the old or new value."
   (interactive)
   (kill-buffer (current-buffer)))
 
+(defun notmuch-prettify-subject (subject)
+  ;; This function is used by `notmuch-search-process-filter' which
+  ;; requires that we not disrupt its' matching state.
+  (save-match-data
+    (if (and subject
+	     (string-match "^[ \t]*$" subject))
+	"[No Subject]"
+      subject)))
+
 ;;
 
 (defun notmuch-common-do-stash (text)