[PATCH 6/8] man: document search --exclude=all

[Peter Wang]

Document the new search --exclude=all option.
---
 man/man1/notmuch-search.1 |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/man/man1/notmuch-search.1 b/man/man1/notmuch-search.1
index e23ca30..1d8d57a 100644
--- a/man/man1/notmuch-search.1
+++ b/man/man1/notmuch-search.1
@@ -114,7 +114,7 @@ Limit the number of displayed results to N.
 
 .RS 4
 .TP 4
-.BR \-\-exclude=(true|false|flag)
+.BR \-\-exclude=(true|false|all|flag)
 
 Messages matching search.tag_exclude are called "excluded messages".
 This option specifies whether to omit excluded messages in the search
@@ -124,6 +124,10 @@ The default value,
 .BR true ,
 prevents excluded messages from matching the search terms.
 
+.B all
+additionally prevents excluded messages from appearing in displayed
+results, in effect behaving as though the excluded messages do not exist.
+
 .B false
 allows excluded messages to match search terms and appear in displayed
 results. Excluded messages are still marked in the relevant outputs.
-- 
1.7.4.4