Add documentation for the recently added folder-based searching.

Augmenting both the builtin help as well as the manual page.

1 files changed, 9 insertions, 0 deletions

diff --git a/notmuch.1 b/notmuch.1
index 3878a040..95c61db0 100644
--- a/notmuch.1
+++ b/notmuch.1
@@ -526,6 +526,8 @@ terms to match against specific portions of an email, (where
 
 	thread:<thread-id>
 
+	folder:<directory-path>
+
 The
 .B from:
 prefix is used to match the name or address of the sender of an email
@@ -569,6 +571,13 @@ internally by notmuch (and do not appear in email messages). These
 thread ID values can be seen in the first column of output from
 .B "notmuch search"
 
+The
+.B folder:
+prefix can be used to search for email message files that are
+contained within particular directories within the mail store. Only
+the directory components below the top-level mail database path are
+available to be searched.
+
 In addition to individual terms, multiple terms can be
 combined with Boolean operators (
 .BR and ", " or ", " not