doc: convert sphinx based docs

This is the output from sphinx-quickstart, massaged a bit, along with
our existing man pages converted to rst.

A skeleton notmuch-emacs manual is also included. It is not suitable
for end user use yet.

1 files changed, 112 insertions, 0 deletions

diff --git a/doc/man1/notmuch-reply.rst b/doc/man1/notmuch-reply.rst
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+=============
+notmuch-reply
+=============
+
+SYNOPSIS
+========
+
+**notmuch** **reply** [option ...] <*search-term*> ...
+
+DESCRIPTION
+===========
+
+Constructs a reply template for a set of messages.
+
+To make replying to email easier, **notmuch reply** takes an existing
+set of messages and constructs a suitable mail template. The Reply-to:
+header (if any, otherwise From:) is used for the To: address. Unless
+``--reply-to=sender`` is specified, values from the To: and Cc: headers
+are copied, but not including any of the current user's email addresses
+(as configured in primary\_mail or other\_email in the .notmuch-config
+file) in the recipient list.
+
+It also builds a suitable new subject, including Re: at the front (if
+not already present), and adding the message IDs of the messages being
+replied to to the References list and setting the In-Reply-To: field
+correctly.
+
+Finally, the original contents of the emails are quoted by prefixing
+each line with '> ' and included in the body.
+
+The resulting message template is output to stdout.
+
+Supported options for **reply** include
+
+    ``--format=``\ (**default**\ \|\ **json**\ \|\ **sexp**\ \|\ **headers-only**)
+
+        **default**
+            Includes subject and quoted message body as an RFC 2822
+            message.
+
+        **json**
+            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.
+
+        **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.
+
+        **headers-only**
+            Only produces In-Reply-To, References, To, Cc, and Bcc
+            headers.
+
+    ``--format-version=N``
+        Use the specified structured output format version. This is
+        intended for programs that invoke **notmuch(1)** internally. If
+        omitted, the latest supported version will be used.
+
+    ``--reply-to=``\ (**all**\ \|\ **sender**)
+
+        **all** (default)
+            Replies to all addresses.
+
+        **sender**
+            Replies only to the sender. If replying to user's own
+            message (Reply-to: or From: header is one of the user's
+            configured email addresses), try To:, Cc:, and Bcc: headers
+            in this order, and copy values from the first that contains
+            something other than only the user's addresses.
+
+    ``--decrypt``
+        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
+        --format=sexp) and on successful decryption the
+        multipart/encrypted part will be replaced by the decrypted
+        content.
+
+        Decryption expects a functioning **gpg-agent(1)** to provide any
+        needed credentials. Without one, the decryption will fail.
+
+See **notmuch-search-terms(7)** for details of the supported syntax for
+<search-terms>.
+
+Note: It is most common to use **notmuch reply** with a search string
+matching a single message, (such as 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 and S-Expression formats do not.
+
+EXIT STATUS
+===========
+
+This command supports the following special exit status codes
+
+``20``
+    The requested format version is too old.
+
+``21``
+    The requested format version is too new.
+
+SEE ALSO
+========
+
+**notmuch(1)**, **notmuch-config(1)**, **notmuch-count(1)**,
+**notmuch-dump(1)**, **notmuch-hooks(5)**, **notmuch-insert(1)**,
+**notmuch-new(1)**, **notmuch-restore(1)**, **notmuch-search(1)**,
+**notmuch-search-terms(7)**, **notmuch-show(1)**, **notmuch-tag(1)**