.B threads
Output the thread IDs of all threads with any message matching the
-search terms, either one per line (--format=text) or as a JSON array
-(--format=json).
+search terms, either one per line (\-\-format=text) or as a JSON array
+(\-\-format=json).
.RE
.RS 4
.TP 4
.B messages
Output the message IDs of all messages matching the search terms,
-either one per line (--format=text) or as a JSON array
-(--format=json).
+either one per line (\-\-format=text) or as a JSON array
+(\-\-format=json).
.RE
.RS 4
.TP 4
.B files
Output the filenames of all messages matching the search terms, either
-one per line (--format=text) or as a JSON array (--format=json).
+one per line (\-\-format=text) or as a JSON array (\-\-format=json).
.RE
.RS 4
.TP 4
.B tags
Output all tags that appear on any message matching the search terms,
-either one per line (--format=text) or as a JSON array
-(--format=json).
+either one per line (\-\-format=text) or as a JSON array
+(\-\-format=json).
.RE
.RE
.RS 4
.TP 4
-.B \-\-format=(text|json|mbox)
+.B \-\-format=(text|json|mbox|raw)
.RS 4
.TP 4
will be delimited by easily-parsed markers. Each marker consists of a
Control-L character (ASCII decimal 12), the name of the marker, and
then either an opening or closing brace, ('{' or '}'), to either open
-or close the component.
+or close the component. For a multipart MIME message, these parts will
+be nested.
.RE
.RS 4
.TP 4
The output is formatted with Javascript Object Notation (JSON). This
format is more robust than the text format for automated
-processing. JSON output always includes all messages in a matching
-thread; in effect
+processing. The nested structure of multipart MIME messages is
+reflected in nested JSON output. JSON output always includes all
+messages in a matching thread; in effect
.B \-\-format=json
implies
.B \-\-entire\-thread
an additional '>' character added. This reversible escaping
is termed "mboxrd" format and described in detail here:
http://homepage.ntlworld.com/jonathan.deboynepollard/FGA/mail-mbox-formats.html
+.RE
+.RS 4
+.TP 4
+.B raw
+
+The original, raw content of the email message is displayed.
+Consumers of this format should expect to implement MIME decoding and
+similar functions. This format must only be used with search terms
+matching a single message.
+
.RE
A common use of
.B notmuch show
thread:<thread-id>
+ folder:<directory-path>
+
The
.B from:
prefix is used to match the name or address of the sender of an email
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