Updating man pages for new S-Expression output format.

Add sections about the new S-Expression output format (--format=sexp) to
the notmuch-search, notmuch-reply and notmuch-show man pages.

man/man1/notmuch-reply.1

@@ -37,7 +37,7 @@ Supported options for
 include
 .RS
 .TP 4
-.BR \-\-format= ( default | json | headers\-only )
+.BR \-\-format= ( default | json | sexp | headers\-only )
 .RS
 .TP 4
 .BR default
@@ -48,6 +48,11 @@ Produces JSON output containing headers for a reply message and the
 contents of the original message. This output can be used by a client
 to create a reply message intelligently.
 .TP
+.BR sexp
+Produces S-Expression output containing headers for a reply message and
+the contents of the original message. This output can be used by a client
+to create a reply message intelligently.
+.TP
 .BR headers\-only
 Only produces In\-Reply\-To, References, To, Cc, and Bcc headers.
 .RE
@@ -74,8 +79,8 @@ user's addresses.
 
 Decrypt any MIME encrypted parts found in the selected content
 (ie. "multipart/encrypted" parts). Status of the decryption will be
-reported (currently only supported with --format=json) and the
-multipart/encrypted part will be replaced by the decrypted
+reported (currently only supported with --format=json and --format=sexp)
+and the multipart/encrypted part will be replaced by the decrypted
 content.
 .RE
 
@@ -89,7 +94,8 @@ id:<message-id>), but it can be useful to reply to several messages at
 once. For example, when a series of patches are sent in a single
 thread, replying to the entire thread allows for the reply to comment
 on issues found in multiple patches. The default format supports
-replying to multiple messages at once, but the JSON format does not.
+replying to multiple messages at once, but the JSON and S-Expression
+formats do not.
 .RE
 .RE
 

man/man1/notmuch-search.1

@@ -25,9 +25,9 @@ Supported options for
 include
 .RS 4
 .TP 4
-.BR \-\-format= ( json | text )
+.BR \-\-format= ( json | sexp | text )
 
-Presents the results in either JSON or plain-text (default).
+Presents the results in either JSON, S-Expressions or plain-text (default).
 .RE
 
 .RS 4
@@ -49,7 +49,7 @@ the authors of the thread and the subject.
 
 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).
+(\-\-format=json) or an S-Expression list (\-\-format=sexp).
 .RE
 .RS 4
 .TP 4
@@ -57,22 +57,23 @@ search terms, either one per line (\-\-format=text) or as a JSON array
 
 Output the message IDs of all messages matching the search terms,
 either one per line (\-\-format=text) or as a JSON array
-(\-\-format=json).
+(\-\-format=json) or as an S-Expression list (\-\-format=sexp).
 .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) or
+as an S-Expression list (\-\-format=sexp).
 .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)
+or as an S-Expression list (\-\-format=sexp).
 .RE
 .RE
 

man/man1/notmuch-show.1

@@ -31,12 +31,14 @@ If true,
 outputs all messages in the thread of any message matching the search
 terms; if false, it outputs only the matching messages. For
 .B --format=json
+and
+.B --format=sexp
 this defaults to true.  For other formats, this defaults to false.
 .RE
 
 .RS 4
 .TP 4
-.B \-\-format=(text|json|mbox|raw)
+.B \-\-format=(text|json|sexp|mbox|raw)
 
 .RS 4
 .TP 4
@@ -60,11 +62,29 @@ format is more robust than the text format for automated
 processing. The nested structure of multipart MIME messages is
 reflected in nested JSON output. By default JSON output includes all
 messages in a matching thread; that is, by default,
+
 .B \-\-format=json
 sets
 .B "\-\-entire\-thread"
 The caller can disable this behaviour by setting
 .B \-\-entire\-thread=false
+.RE
+.RS 4
+.TP 4
+.B sexp
+
+The output is formatted as an S-Expression (sexp). This
+format is more robust than the text format for automated
+processing. The nested structure of multipart MIME messages is
+reflected in nested S-Expression output. By default,
+S-Expression output includes all messages in a matching thread;
+that is, by default,
+
+.B \-\-format=sexp
+sets
+.B "\-\-entire\-thread"
+The caller can disable this behaviour by setting
+.B \-\-entire\-thread=false
 
 .RE
 .RS 4
@@ -113,7 +133,7 @@ message.
 Output the single decoded MIME part N of a single message.  The search
 terms must match only a single message.  Message parts are numbered in
 a depth-first walk of the message MIME structure, and are identified
-in the 'json' or 'text' output formats.
+in the 'json', 'sexp' or 'text' output formats.
 .RE
 
 .RS 4
@@ -123,8 +143,8 @@ in the 'json' or 'text' output formats.
 Compute and report the validity of any MIME cryptographic signatures
 found in the selected content (ie. "multipart/signed" parts). Status
 of the signature will be reported (currently only supported with
---format=json), and the multipart/signed part will be replaced by the
-signed data.
+--format=json and --format=sexp), and the multipart/signed part
+will be replaced by the signed data.
 .RE
 
 .RS 4
@@ -133,9 +153,9 @@ signed data.
 
 Decrypt any MIME encrypted parts found in the selected content
 (ie. "multipart/encrypted" parts). Status of the decryption will be
-reported (currently only supported with --format=json) and the
-multipart/encrypted part will be replaced by the decrypted
-content.  Implies --verify.
+reported (currently only supported with --format=json and
+--format=sexp) and the multipart/encrypted part will be replaced
+by the decrypted content.  Implies --verify.
 .RE
 
 .RS 4
@@ -166,7 +186,7 @@ If true (the default)
 includes the bodies of the messages in the output; if false,
 bodies are omitted.
 .B --body=false
-is only implemented for the json format and it is incompatible with
+is only implemented for the json and sexp formats and it is incompatible with
 .B --part > 0.
 
 This is useful if the caller only needs the headers as body-less