Previously the tags on each line in tree view were separarted by ", "
not just " ". This is different from show and search views.

This patch removes this comma. This is a large patch as essentially
every line of each of the expected outputs in the tree tests needs
updating.

Apart from aesthetic reasons this simplifies the switch to
notmuch-tag-format-tags in the next patch.
---
 emacs/notmuch-tree.el                              |    2 +-
 .../notmuch-tree-single-thread                     |    8 +-
 test/tree.expected-output/notmuch-tree-tag-inbox   |  104 ++++++++++----------
 .../notmuch-tree-tag-inbox-tagged                  |  104 ++++++++++----------
 .../notmuch-tree-tag-inbox-thread-tagged           |  104 ++++++++++----------
 5 files changed, 161 insertions(+), 161 deletions(-)

diff --git a/emacs/notmuch-tree.el b/emacs/notmuch-tree.el
index 8d59e65..599f76e 100644
--- a/emacs/notmuch-tree.el
+++ b/emacs/notmuch-tree.el
@@ -691,7 +691,7 @@ unchanged ADDRESS if parsing fails."
                      'notmuch-tree-match-tag-face
                    'notmuch-tree-no-match-tag-face)))
        (propertize (format format-string
-                           (mapconcat #'identity tags ", "))
+                           (mapconcat #'identity tags " "))
                    'face face))))))


diff --git a/test/tree.expected-output/notmuch-tree-single-thread 
b/test/tree.expected-output/notmuch-tree-single-thread
index c9e5ef8..2285d10 100644
--- a/test/tree.expected-output/notmuch-tree-single-thread
+++ b/test/tree.expected-output/notmuch-tree-single-thread
@@ -1,6 +1,6 @@
   2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH 1/2] Close message file 
after parsing message   headers (inbox)
-  2009-11-17  Mikhail Gusarov       ???[notmuch] [PATCH 2/2] Include 
<stdint.h> to get uint32_t in C++ file with gcc 4.4 (inbox, unread)
-  2009-11-17  Carl Worth            ???[notmuch] [PATCH 1/2] Close message 
file after parsing message headers (inbox, unread)
-  2009-11-17  Keith Packard          ??? ...                                   
           (inbox, unread)
-  2009-11-18  Carl Worth              ??? ...                                  
           (inbox, unread)
+  2009-11-17  Mikhail Gusarov       ???[notmuch] [PATCH 2/2] Include 
<stdint.h> to get uint32_t in C++ file with gcc 4.4 (inbox unread)
+  2009-11-17  Carl Worth            ???[notmuch] [PATCH 1/2] Close message 
file after parsing message headers (inbox unread)
+  2009-11-17  Keith Packard          ??? ...                                   
           (inbox unread)
+  2009-11-18  Carl Worth              ??? ...                                  
           (inbox unread)
 End of search results.
diff --git a/test/tree.expected-output/notmuch-tree-tag-inbox 
b/test/tree.expected-output/notmuch-tree-tag-inbox
index 484141e..f28d485 100644
--- a/test/tree.expected-output/notmuch-tree-tag-inbox
+++ b/test/tree.expected-output/notmuch-tree-tag-inbox
@@ -1,53 +1,53 @@
-  2010-12-29  Fran?ois Boulogne     ??[aur-general] Guidelines: cp, mkdir vs 
install      (inbox, unread)
-  2010-12-16  Olivier Berger        ??Essai accentu?                           
           (inbox, unread)
-  2009-11-18  Chris Wilson          ??[notmuch] [PATCH 1/2] Makefile: evaluate 
pkg-config once (inbox, unread)
-  2009-11-18  Alex Botero-Lowry     ??[notmuch] [PATCH] Error out if no query 
is supplied to search    instead of going into an infinite loop (attachment, 
inbox, unread)
-  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Error out if no query 
is supplied to search instead of going into an infinite loop (inbox, unread)
-  2009-11-17  Ingmar Vanhassel      ??[notmuch] [PATCH] Typsos                 
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Adrian Perez de Cast  ??[notmuch] Introducing myself             
           (inbox, signed, unread)
-  2009-11-18  Keith Packard         ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Israel Herraiz        ??[notmuch] New to the list                
           (inbox, unread)
-  2009-11-18  Keith Packard         ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Jan Janak             ??[notmuch] What a great idea!             
           (inbox, unread)
-  2009-11-17  Jan Janak             ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Jan Janak             ??[notmuch] [PATCH] Older versions of 
install do not support -C. (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Aron Griffis          ??[notmuch] archive                        
           (inbox, unread)
-  2009-11-18  Keith Packard         ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth             ??? ...                                   
           (inbox, unread)
-  2009-11-17  Keith Packard         ??[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove        inbox (and unread) tags (inbox, unread)
-  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove inbox (and unread) tags (inbox, unread)
-  2009-11-17  Lars Kellogg-Stedman  ??[notmuch] Working with Maildir storage?  
           (inbox, signed, unread)
-  2009-11-17  Mikhail Gusarov       ??? ...                                    
           (inbox, signed, unread)
-  2009-11-17  Lars Kellogg-Stedman  ???? ...                                   
           (inbox, signed, unread)
-  2009-11-17  Mikhail Gusarov       ? ??? ...                                  
           (inbox, unread)
-  2009-11-17  Keith Packard         ? ??? ...                                  
           (inbox, unread)
-  2009-11-18  Lars Kellogg-Stedman  ?  ??? ...                                 
           (inbox, signed, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH 1/2] Close message file 
after parsing message   headers (inbox, unread)
-  2009-11-17  Mikhail Gusarov       ???[notmuch] [PATCH 2/2] Include 
<stdint.h> to get uint32_t in C++ file with gcc 4.4 (inbox, unread)
-  2009-11-17  Carl Worth            ???[notmuch] [PATCH 1/2] Close message 
file after parsing message headers (inbox, unread)
-  2009-11-17  Keith Packard          ??? ...                                   
           (inbox, unread)
-  2009-11-18  Carl Worth              ??? ...                                  
           (inbox, unread)
-  2009-11-18  Keith Packard         ??[notmuch] [PATCH] Create a default 
notmuch-show-hook that        highlights URLs and uses word-wrap (inbox, unread)
-  2009-11-18  Alexander Botero-Low  ???[notmuch] [PATCH] Create a default 
notmuch-show-hook that highlights URLs and uses word-wrap (inbox, unread)
-  2009-11-18  Alexander Botero-Low  ??[notmuch] request for pull               
           (inbox, unread)
-  2009-11-18  Jjgod Jiang           ??[notmuch] Mac OS X/Darwin compatibility 
issues      (inbox, unread)
-  2009-11-18  Alexander Botero-Low  ??? ...                                    
           (inbox, unread)
-  2009-11-18  Jjgod Jiang            ??? ...                                   
           (inbox, unread)
-  2009-11-18  Alexander Botero-Low    ??? ...                                  
           (inbox, unread)
-  2009-11-18  Rolland Santimano     ??[notmuch] Link to mailing list archives 
?           (inbox, unread)
-  2009-11-18  Jan Janak             ??[notmuch] [PATCH] notmuch new: Support 
for conversion of spool   subdirectories into tags (inbox, unread)
-  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] count_files: sort 
directory in inode order before      statting (inbox, unread)
-  2009-11-18  Stewart Smith         ??[notmuch] [PATCH 2/2] Read mail 
directory in inode number order (inbox, unread)
-  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] Fix linking with gcc 
to use g++ to link in C++ libs. (inbox, unread)
-  2009-11-18  Lars Kellogg-Stedman  ??[notmuch] "notmuch help" outputs to 
stderr?         (attachment, inbox, signed, unread)
-  2009-11-18  Lars Kellogg-Stedman  ??? ...                                    
           (attachment, inbox, signed, unread)
-  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH] Handle rename of 
message file     (inbox, unread)
-  2009-11-17  Alex Botero-Lowry     ??[notmuch] preliminary FreeBSD support    
           (attachment, inbox, unread)
-  2009-11-17  Carl Worth            ??? ...                                    
           (inbox, unread)
+  2010-12-29  Fran?ois Boulogne     ??[aur-general] Guidelines: cp, mkdir vs 
install      (inbox unread)
+  2010-12-16  Olivier Berger        ??Essai accentu?                           
           (inbox unread)
+  2009-11-18  Chris Wilson          ??[notmuch] [PATCH 1/2] Makefile: evaluate 
pkg-config once (inbox unread)
+  2009-11-18  Alex Botero-Lowry     ??[notmuch] [PATCH] Error out if no query 
is supplied to search    instead of going into an infinite loop (attachment 
inbox unread)
+  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Error out if no query 
is supplied to search instead of going into an infinite loop (inbox unread)
+  2009-11-17  Ingmar Vanhassel      ??[notmuch] [PATCH] Typsos                 
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Adrian Perez de Cast  ??[notmuch] Introducing myself             
           (inbox signed unread)
+  2009-11-18  Keith Packard         ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Israel Herraiz        ??[notmuch] New to the list                
           (inbox unread)
+  2009-11-18  Keith Packard         ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Jan Janak             ??[notmuch] What a great idea!             
           (inbox unread)
+  2009-11-17  Jan Janak             ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Jan Janak             ??[notmuch] [PATCH] Older versions of 
install do not support -C. (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Aron Griffis          ??[notmuch] archive                        
           (inbox unread)
+  2009-11-18  Keith Packard         ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth             ??? ...                                   
           (inbox unread)
+  2009-11-17  Keith Packard         ??[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove        inbox (and unread) tags (inbox unread)
+  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove inbox (and unread) tags (inbox unread)
+  2009-11-17  Lars Kellogg-Stedman  ??[notmuch] Working with Maildir storage?  
           (inbox signed unread)
+  2009-11-17  Mikhail Gusarov       ??? ...                                    
           (inbox signed unread)
+  2009-11-17  Lars Kellogg-Stedman  ???? ...                                   
           (inbox signed unread)
+  2009-11-17  Mikhail Gusarov       ? ??? ...                                  
           (inbox unread)
+  2009-11-17  Keith Packard         ? ??? ...                                  
           (inbox unread)
+  2009-11-18  Lars Kellogg-Stedman  ?  ??? ...                                 
           (inbox signed unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH 1/2] Close message file 
after parsing message   headers (inbox unread)
+  2009-11-17  Mikhail Gusarov       ???[notmuch] [PATCH 2/2] Include 
<stdint.h> to get uint32_t in C++ file with gcc 4.4 (inbox unread)
+  2009-11-17  Carl Worth            ???[notmuch] [PATCH 1/2] Close message 
file after parsing message headers (inbox unread)
+  2009-11-17  Keith Packard          ??? ...                                   
           (inbox unread)
+  2009-11-18  Carl Worth              ??? ...                                  
           (inbox unread)
+  2009-11-18  Keith Packard         ??[notmuch] [PATCH] Create a default 
notmuch-show-hook that        highlights URLs and uses word-wrap (inbox unread)
+  2009-11-18  Alexander Botero-Low  ???[notmuch] [PATCH] Create a default 
notmuch-show-hook that highlights URLs and uses word-wrap (inbox unread)
+  2009-11-18  Alexander Botero-Low  ??[notmuch] request for pull               
           (inbox unread)
+  2009-11-18  Jjgod Jiang           ??[notmuch] Mac OS X/Darwin compatibility 
issues      (inbox unread)
+  2009-11-18  Alexander Botero-Low  ??? ...                                    
           (inbox unread)
+  2009-11-18  Jjgod Jiang            ??? ...                                   
           (inbox unread)
+  2009-11-18  Alexander Botero-Low    ??? ...                                  
           (inbox unread)
+  2009-11-18  Rolland Santimano     ??[notmuch] Link to mailing list archives 
?           (inbox unread)
+  2009-11-18  Jan Janak             ??[notmuch] [PATCH] notmuch new: Support 
for conversion of spool   subdirectories into tags (inbox unread)
+  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] count_files: sort 
directory in inode order before      statting (inbox unread)
+  2009-11-18  Stewart Smith         ??[notmuch] [PATCH 2/2] Read mail 
directory in inode number order (inbox unread)
+  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] Fix linking with gcc 
to use g++ to link in C++ libs. (inbox unread)
+  2009-11-18  Lars Kellogg-Stedman  ??[notmuch] "notmuch help" outputs to 
stderr?         (attachment inbox signed unread)
+  2009-11-18  Lars Kellogg-Stedman  ??? ...                                    
           (attachment inbox signed unread)
+  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH] Handle rename of 
message file     (inbox unread)
+  2009-11-17  Alex Botero-Lowry     ??[notmuch] preliminary FreeBSD support    
           (attachment inbox unread)
+  2009-11-17  Carl Worth            ??? ...                                    
           (inbox unread)
 End of search results.
diff --git a/test/tree.expected-output/notmuch-tree-tag-inbox-tagged 
b/test/tree.expected-output/notmuch-tree-tag-inbox-tagged
index 1f75a34..428c0ae 100644
--- a/test/tree.expected-output/notmuch-tree-tag-inbox-tagged
+++ b/test/tree.expected-output/notmuch-tree-tag-inbox-tagged
@@ -1,53 +1,53 @@
-  2010-12-29  Fran?ois Boulogne     ??[aur-general] Guidelines: cp, mkdir vs 
install      (inbox, unread)
-  2010-12-16  Olivier Berger        ??Essai accentu?                           
           (inbox, test_tag, unread)
-  2009-11-18  Chris Wilson          ??[notmuch] [PATCH 1/2] Makefile: evaluate 
pkg-config once (inbox, unread)
-  2009-11-18  Alex Botero-Lowry     ??[notmuch] [PATCH] Error out if no query 
is supplied to search    instead of going into an infinite loop (attachment, 
inbox, unread)
-  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Error out if no query 
is supplied to search instead of going into an infinite loop (inbox, unread)
-  2009-11-17  Ingmar Vanhassel      ??[notmuch] [PATCH] Typsos                 
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Adrian Perez de Cast  ??[notmuch] Introducing myself             
           (inbox, signed, unread)
-  2009-11-18  Keith Packard         ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Israel Herraiz        ??[notmuch] New to the list                
           (inbox, unread)
-  2009-11-18  Keith Packard         ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Jan Janak             ??[notmuch] What a great idea!             
           (inbox, unread)
-  2009-11-17  Jan Janak             ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Jan Janak             ??[notmuch] [PATCH] Older versions of 
install do not support -C. (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Aron Griffis          ??[notmuch] archive                        
           (inbox, unread)
-  2009-11-18  Keith Packard         ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth             ??? ...                                   
           (inbox, unread)
-  2009-11-17  Keith Packard         ??[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove        inbox (and unread) tags (inbox, unread)
-  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove inbox (and unread) tags (inbox, unread)
-  2009-11-17  Lars Kellogg-Stedman  ??[notmuch] Working with Maildir storage?  
           (inbox, signed, unread)
-  2009-11-17  Mikhail Gusarov       ??? ...                                    
           (inbox, signed, unread)
-  2009-11-17  Lars Kellogg-Stedman  ???? ...                                   
           (inbox, signed, unread)
-  2009-11-17  Mikhail Gusarov       ? ??? ...                                  
           (inbox, unread)
-  2009-11-17  Keith Packard         ? ??? ...                                  
           (inbox, unread)
-  2009-11-18  Lars Kellogg-Stedman  ?  ??? ...                                 
           (inbox, signed, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH 1/2] Close message file 
after parsing message   headers (inbox, unread)
-  2009-11-17  Mikhail Gusarov       ???[notmuch] [PATCH 2/2] Include 
<stdint.h> to get uint32_t in C++ file with gcc 4.4 (inbox, unread)
-  2009-11-17  Carl Worth            ???[notmuch] [PATCH 1/2] Close message 
file after parsing message headers (inbox, unread)
-  2009-11-17  Keith Packard          ??? ...                                   
           (inbox, unread)
-  2009-11-18  Carl Worth              ??? ...                                  
           (inbox, unread)
-  2009-11-18  Keith Packard         ??[notmuch] [PATCH] Create a default 
notmuch-show-hook that        highlights URLs and uses word-wrap (inbox, unread)
-  2009-11-18  Alexander Botero-Low  ???[notmuch] [PATCH] Create a default 
notmuch-show-hook that highlights URLs and uses word-wrap (inbox, unread)
-  2009-11-18  Alexander Botero-Low  ??[notmuch] request for pull               
           (inbox, unread)
-  2009-11-18  Jjgod Jiang           ??[notmuch] Mac OS X/Darwin compatibility 
issues      (inbox, unread)
-  2009-11-18  Alexander Botero-Low  ??? ...                                    
           (inbox, unread)
-  2009-11-18  Jjgod Jiang            ??? ...                                   
           (inbox, unread)
-  2009-11-18  Alexander Botero-Low    ??? ...                                  
           (inbox, unread)
-  2009-11-18  Rolland Santimano     ??[notmuch] Link to mailing list archives 
?           (inbox, unread)
-  2009-11-18  Jan Janak             ??[notmuch] [PATCH] notmuch new: Support 
for conversion of spool   subdirectories into tags (inbox, unread)
-  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] count_files: sort 
directory in inode order before      statting (inbox, unread)
-  2009-11-18  Stewart Smith         ??[notmuch] [PATCH 2/2] Read mail 
directory in inode number order (inbox, unread)
-  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] Fix linking with gcc 
to use g++ to link in C++ libs. (inbox, unread)
-  2009-11-18  Lars Kellogg-Stedman  ??[notmuch] "notmuch help" outputs to 
stderr?         (attachment, inbox, signed, unread)
-  2009-11-18  Lars Kellogg-Stedman  ??? ...                                    
           (attachment, inbox, signed, unread)
-  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH] Handle rename of 
message file     (inbox, unread)
-  2009-11-17  Alex Botero-Lowry     ??[notmuch] preliminary FreeBSD support    
           (attachment, inbox, unread)
-  2009-11-17  Carl Worth            ??? ...                                    
           (inbox, unread)
+  2010-12-29  Fran?ois Boulogne     ??[aur-general] Guidelines: cp, mkdir vs 
install      (inbox unread)
+  2010-12-16  Olivier Berger        ??Essai accentu?                           
           (inbox test_tag unread)
+  2009-11-18  Chris Wilson          ??[notmuch] [PATCH 1/2] Makefile: evaluate 
pkg-config once (inbox unread)
+  2009-11-18  Alex Botero-Lowry     ??[notmuch] [PATCH] Error out if no query 
is supplied to search    instead of going into an infinite loop (attachment 
inbox unread)
+  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Error out if no query 
is supplied to search instead of going into an infinite loop (inbox unread)
+  2009-11-17  Ingmar Vanhassel      ??[notmuch] [PATCH] Typsos                 
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Adrian Perez de Cast  ??[notmuch] Introducing myself             
           (inbox signed unread)
+  2009-11-18  Keith Packard         ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Israel Herraiz        ??[notmuch] New to the list                
           (inbox unread)
+  2009-11-18  Keith Packard         ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Jan Janak             ??[notmuch] What a great idea!             
           (inbox unread)
+  2009-11-17  Jan Janak             ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Jan Janak             ??[notmuch] [PATCH] Older versions of 
install do not support -C. (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Aron Griffis          ??[notmuch] archive                        
           (inbox unread)
+  2009-11-18  Keith Packard         ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth             ??? ...                                   
           (inbox unread)
+  2009-11-17  Keith Packard         ??[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove        inbox (and unread) tags (inbox unread)
+  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove inbox (and unread) tags (inbox unread)
+  2009-11-17  Lars Kellogg-Stedman  ??[notmuch] Working with Maildir storage?  
           (inbox signed unread)
+  2009-11-17  Mikhail Gusarov       ??? ...                                    
           (inbox signed unread)
+  2009-11-17  Lars Kellogg-Stedman  ???? ...                                   
           (inbox signed unread)
+  2009-11-17  Mikhail Gusarov       ? ??? ...                                  
           (inbox unread)
+  2009-11-17  Keith Packard         ? ??? ...                                  
           (inbox unread)
+  2009-11-18  Lars Kellogg-Stedman  ?  ??? ...                                 
           (inbox signed unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH 1/2] Close message file 
after parsing message   headers (inbox unread)
+  2009-11-17  Mikhail Gusarov       ???[notmuch] [PATCH 2/2] Include 
<stdint.h> to get uint32_t in C++ file with gcc 4.4 (inbox unread)
+  2009-11-17  Carl Worth            ???[notmuch] [PATCH 1/2] Close message 
file after parsing message headers (inbox unread)
+  2009-11-17  Keith Packard          ??? ...                                   
           (inbox unread)
+  2009-11-18  Carl Worth              ??? ...                                  
           (inbox unread)
+  2009-11-18  Keith Packard         ??[notmuch] [PATCH] Create a default 
notmuch-show-hook that        highlights URLs and uses word-wrap (inbox unread)
+  2009-11-18  Alexander Botero-Low  ???[notmuch] [PATCH] Create a default 
notmuch-show-hook that highlights URLs and uses word-wrap (inbox unread)
+  2009-11-18  Alexander Botero-Low  ??[notmuch] request for pull               
           (inbox unread)
+  2009-11-18  Jjgod Jiang           ??[notmuch] Mac OS X/Darwin compatibility 
issues      (inbox unread)
+  2009-11-18  Alexander Botero-Low  ??? ...                                    
           (inbox unread)
+  2009-11-18  Jjgod Jiang            ??? ...                                   
           (inbox unread)
+  2009-11-18  Alexander Botero-Low    ??? ...                                  
           (inbox unread)
+  2009-11-18  Rolland Santimano     ??[notmuch] Link to mailing list archives 
?           (inbox unread)
+  2009-11-18  Jan Janak             ??[notmuch] [PATCH] notmuch new: Support 
for conversion of spool   subdirectories into tags (inbox unread)
+  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] count_files: sort 
directory in inode order before      statting (inbox unread)
+  2009-11-18  Stewart Smith         ??[notmuch] [PATCH 2/2] Read mail 
directory in inode number order (inbox unread)
+  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] Fix linking with gcc 
to use g++ to link in C++ libs. (inbox unread)
+  2009-11-18  Lars Kellogg-Stedman  ??[notmuch] "notmuch help" outputs to 
stderr?         (attachment inbox signed unread)
+  2009-11-18  Lars Kellogg-Stedman  ??? ...                                    
           (attachment inbox signed unread)
+  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH] Handle rename of 
message file     (inbox unread)
+  2009-11-17  Alex Botero-Lowry     ??[notmuch] preliminary FreeBSD support    
           (attachment inbox unread)
+  2009-11-17  Carl Worth            ??? ...                                    
           (inbox unread)
 End of search results.
diff --git a/test/tree.expected-output/notmuch-tree-tag-inbox-thread-tagged 
b/test/tree.expected-output/notmuch-tree-tag-inbox-thread-tagged
index a7aba6e..828c525 100644
--- a/test/tree.expected-output/notmuch-tree-tag-inbox-thread-tagged
+++ b/test/tree.expected-output/notmuch-tree-tag-inbox-thread-tagged
@@ -1,53 +1,53 @@
-  2010-12-29  Fran?ois Boulogne     ??[aur-general] Guidelines: cp, mkdir vs 
install      (inbox, unread)
-  2010-12-16  Olivier Berger        ??Essai accentu?                           
           (inbox, unread)
-  2009-11-18  Chris Wilson          ??[notmuch] [PATCH 1/2] Makefile: evaluate 
pkg-config once (inbox, unread)
-  2009-11-18  Alex Botero-Lowry     ??[notmuch] [PATCH] Error out if no query 
is supplied to search    instead of going into an infinite loop (attachment, 
inbox, unread)
-  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Error out if no query 
is supplied to search instead of going into an infinite loop (inbox, unread)
-  2009-11-17  Ingmar Vanhassel      ??[notmuch] [PATCH] Typsos                 
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Adrian Perez de Cast  ??[notmuch] Introducing myself             
           (inbox, signed, unread)
-  2009-11-18  Keith Packard         ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Israel Herraiz        ??[notmuch] New to the list                
           (inbox, unread)
-  2009-11-18  Keith Packard         ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Jan Janak             ??[notmuch] What a great idea!             
           (inbox, unread)
-  2009-11-17  Jan Janak             ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Jan Janak             ??[notmuch] [PATCH] Older versions of 
install do not support -C. (inbox, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, unread)
-  2009-11-17  Aron Griffis          ??[notmuch] archive                        
           (inbox, unread)
-  2009-11-18  Keith Packard         ??? ...                                    
           (inbox, unread)
-  2009-11-18  Carl Worth             ??? ...                                   
           (inbox, unread)
-  2009-11-17  Keith Packard         ??[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove        inbox (and unread) tags (inbox, unread)
-  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove inbox (and unread) tags (inbox, unread)
-  2009-11-17  Lars Kellogg-Stedman  ??[notmuch] Working with Maildir storage?  
           (inbox, signed, test_thread_tag, unread)
-  2009-11-17  Mikhail Gusarov       ??? ...                                    
           (inbox, signed, test_thread_tag, unread)
-  2009-11-17  Lars Kellogg-Stedman  ???? ...                                   
           (inbox, signed, test_thread_tag, unread)
-  2009-11-17  Mikhail Gusarov       ? ??? ...                                  
           (inbox, test_thread_tag, unread)
-  2009-11-17  Keith Packard         ? ??? ...                                  
           (inbox, test_thread_tag, unread)
-  2009-11-18  Lars Kellogg-Stedman  ?  ??? ...                                 
           (inbox, signed, test_thread_tag, unread)
-  2009-11-18  Carl Worth            ??? ...                                    
           (inbox, test_thread_tag, unread)
-  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH 1/2] Close message file 
after parsing message   headers (inbox, unread)
-  2009-11-17  Mikhail Gusarov       ???[notmuch] [PATCH 2/2] Include 
<stdint.h> to get uint32_t in C++ file with gcc 4.4 (inbox, unread)
-  2009-11-17  Carl Worth            ???[notmuch] [PATCH 1/2] Close message 
file after parsing message headers (inbox, unread)
-  2009-11-17  Keith Packard          ??? ...                                   
           (inbox, unread)
-  2009-11-18  Carl Worth              ??? ...                                  
           (inbox, unread)
-  2009-11-18  Keith Packard         ??[notmuch] [PATCH] Create a default 
notmuch-show-hook that        highlights URLs and uses word-wrap (inbox, unread)
-  2009-11-18  Alexander Botero-Low  ???[notmuch] [PATCH] Create a default 
notmuch-show-hook that highlights URLs and uses word-wrap (inbox, unread)
-  2009-11-18  Alexander Botero-Low  ??[notmuch] request for pull               
           (inbox, unread)
-  2009-11-18  Jjgod Jiang           ??[notmuch] Mac OS X/Darwin compatibility 
issues      (inbox, unread)
-  2009-11-18  Alexander Botero-Low  ??? ...                                    
           (inbox, unread)
-  2009-11-18  Jjgod Jiang            ??? ...                                   
           (inbox, unread)
-  2009-11-18  Alexander Botero-Low    ??? ...                                  
           (inbox, unread)
-  2009-11-18  Rolland Santimano     ??[notmuch] Link to mailing list archives 
?           (inbox, unread)
-  2009-11-18  Jan Janak             ??[notmuch] [PATCH] notmuch new: Support 
for conversion of spool   subdirectories into tags (inbox, unread)
-  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] count_files: sort 
directory in inode order before      statting (inbox, unread)
-  2009-11-18  Stewart Smith         ??[notmuch] [PATCH 2/2] Read mail 
directory in inode number order (inbox, unread)
-  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] Fix linking with gcc 
to use g++ to link in C++ libs. (inbox, unread)
-  2009-11-18  Lars Kellogg-Stedman  ??[notmuch] "notmuch help" outputs to 
stderr?         (attachment, inbox, signed, unread)
-  2009-11-18  Lars Kellogg-Stedman  ??? ...                                    
           (attachment, inbox, signed, unread)
-  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH] Handle rename of 
message file     (inbox, unread)
-  2009-11-17  Alex Botero-Lowry     ??[notmuch] preliminary FreeBSD support    
           (attachment, inbox, unread)
-  2009-11-17  Carl Worth            ??? ...                                    
           (inbox, unread)
+  2010-12-29  Fran?ois Boulogne     ??[aur-general] Guidelines: cp, mkdir vs 
install      (inbox unread)
+  2010-12-16  Olivier Berger        ??Essai accentu?                           
           (inbox unread)
+  2009-11-18  Chris Wilson          ??[notmuch] [PATCH 1/2] Makefile: evaluate 
pkg-config once (inbox unread)
+  2009-11-18  Alex Botero-Lowry     ??[notmuch] [PATCH] Error out if no query 
is supplied to search    instead of going into an infinite loop (attachment 
inbox unread)
+  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Error out if no query 
is supplied to search instead of going into an infinite loop (inbox unread)
+  2009-11-17  Ingmar Vanhassel      ??[notmuch] [PATCH] Typsos                 
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Adrian Perez de Cast  ??[notmuch] Introducing myself             
           (inbox signed unread)
+  2009-11-18  Keith Packard         ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Israel Herraiz        ??[notmuch] New to the list                
           (inbox unread)
+  2009-11-18  Keith Packard         ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Jan Janak             ??[notmuch] What a great idea!             
           (inbox unread)
+  2009-11-17  Jan Janak             ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Jan Janak             ??[notmuch] [PATCH] Older versions of 
install do not support -C. (inbox unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox unread)
+  2009-11-17  Aron Griffis          ??[notmuch] archive                        
           (inbox unread)
+  2009-11-18  Keith Packard         ??? ...                                    
           (inbox unread)
+  2009-11-18  Carl Worth             ??? ...                                   
           (inbox unread)
+  2009-11-17  Keith Packard         ??[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove        inbox (and unread) tags (inbox unread)
+  2009-11-18  Carl Worth            ???[notmuch] [PATCH] Make notmuch-show 'X' 
(and 'x') commands remove inbox (and unread) tags (inbox unread)
+  2009-11-17  Lars Kellogg-Stedman  ??[notmuch] Working with Maildir storage?  
           (inbox signed test_thread_tag unread)
+  2009-11-17  Mikhail Gusarov       ??? ...                                    
           (inbox signed test_thread_tag unread)
+  2009-11-17  Lars Kellogg-Stedman  ???? ...                                   
           (inbox signed test_thread_tag unread)
+  2009-11-17  Mikhail Gusarov       ? ??? ...                                  
           (inbox test_thread_tag unread)
+  2009-11-17  Keith Packard         ? ??? ...                                  
           (inbox test_thread_tag unread)
+  2009-11-18  Lars Kellogg-Stedman  ?  ??? ...                                 
           (inbox signed test_thread_tag unread)
+  2009-11-18  Carl Worth            ??? ...                                    
           (inbox test_thread_tag unread)
+  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH 1/2] Close message file 
after parsing message   headers (inbox unread)
+  2009-11-17  Mikhail Gusarov       ???[notmuch] [PATCH 2/2] Include 
<stdint.h> to get uint32_t in C++ file with gcc 4.4 (inbox unread)
+  2009-11-17  Carl Worth            ???[notmuch] [PATCH 1/2] Close message 
file after parsing message headers (inbox unread)
+  2009-11-17  Keith Packard          ??? ...                                   
           (inbox unread)
+  2009-11-18  Carl Worth              ??? ...                                  
           (inbox unread)
+  2009-11-18  Keith Packard         ??[notmuch] [PATCH] Create a default 
notmuch-show-hook that        highlights URLs and uses word-wrap (inbox unread)
+  2009-11-18  Alexander Botero-Low  ???[notmuch] [PATCH] Create a default 
notmuch-show-hook that highlights URLs and uses word-wrap (inbox unread)
+  2009-11-18  Alexander Botero-Low  ??[notmuch] request for pull               
           (inbox unread)
+  2009-11-18  Jjgod Jiang           ??[notmuch] Mac OS X/Darwin compatibility 
issues      (inbox unread)
+  2009-11-18  Alexander Botero-Low  ??? ...                                    
           (inbox unread)
+  2009-11-18  Jjgod Jiang            ??? ...                                   
           (inbox unread)
+  2009-11-18  Alexander Botero-Low    ??? ...                                  
           (inbox unread)
+  2009-11-18  Rolland Santimano     ??[notmuch] Link to mailing list archives 
?           (inbox unread)
+  2009-11-18  Jan Janak             ??[notmuch] [PATCH] notmuch new: Support 
for conversion of spool   subdirectories into tags (inbox unread)
+  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] count_files: sort 
directory in inode order before      statting (inbox unread)
+  2009-11-18  Stewart Smith         ??[notmuch] [PATCH 2/2] Read mail 
directory in inode number order (inbox unread)
+  2009-11-18  Stewart Smith         ??[notmuch] [PATCH] Fix linking with gcc 
to use g++ to link in C++ libs. (inbox unread)
+  2009-11-18  Lars Kellogg-Stedman  ??[notmuch] "notmuch help" outputs to 
stderr?         (attachment inbox signed unread)
+  2009-11-18  Lars Kellogg-Stedman  ??? ...                                    
           (attachment inbox signed unread)
+  2009-11-17  Mikhail Gusarov       ??[notmuch] [PATCH] Handle rename of 
message file     (inbox unread)
+  2009-11-17  Alex Botero-Lowry     ??[notmuch] preliminary FreeBSD support    
           (attachment inbox unread)
+  2009-11-17  Carl Worth            ??? ...                                    
           (inbox unread)
 End of search results.
-- 
1.7.9.1

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