[PATCH 4/4] WIP/doc: start to use docstrings in emacs manual.

[David Bremner]

this is still pretty much proof of concept. It needs guarding against
the no-emacs case.
---
 doc/Makefile.local    |  4 +--
 doc/notmuch-emacs.rst | 81 ++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 79 insertions(+), 6 deletions(-)

diff --git a/doc/Makefile.local b/doc/Makefile.local
index 16459e35..c0db2bc9 100644
--- a/doc/Makefile.local
+++ b/doc/Makefile.local
@@ -37,10 +37,10 @@ INFO_INFO_FILES := $(INFO_TEXI_FILES:.texi=.info)
 %.gz: %
 	rm -f $@ && gzip --stdout $^ > $@
 
-sphinx-html:
+sphinx-html: ${emacs_docstrings}
 	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(DOCBUILDDIR)/html
 
-sphinx-texinfo:
+sphinx-texinfo: ${emacs_docstrings}
 	$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(DOCBUILDDIR)/texinfo
 
 sphinx-info: sphinx-texinfo
diff --git a/doc/notmuch-emacs.rst b/doc/notmuch-emacs.rst
index ce2e358e..47bd6102 100644
--- a/doc/notmuch-emacs.rst
+++ b/doc/notmuch-emacs.rst
@@ -36,14 +36,14 @@ a mouse or by positioning the cursor and pressing ``<return>``
 |
 | Saved searches: **[edit]**
 |
-|	  52 **inbox**           52 **unread**
+|         52 **inbox**           52 **unread**
 |
 | Search: ____________________________________
 |
 | All tags: **[show]**
 |
-|	 Hit \`?' for context-sensitive help in any Notmuch screen.
-|		      Customize Notmuch or this page.
+|        Hit \`?' for context-sensitive help in any Notmuch screen.
+|                     Customize Notmuch or this page.
 
 You can change the overall appearance of the notmuch-hello screen by
 customizing the variable :index:`notmuch-hello-sections`.
@@ -190,6 +190,9 @@ pressing RET after positioning the cursor on a hidden part.
     advance to the next message, or advance to the next thread (if
     already on the last message of a thread).
 
+``c``
+    :ref:`show-copy`
+
 ``N``
     Move to next message
 
@@ -208,6 +211,63 @@ pressing RET after positioning the cursor on a hidden part.
 ``?``
     Display full set of key bindings
 
+Display of messages can be controlled by the following variables
+
+:index:`notmuch-message-headers`
+       |docstring::notmuch-message-headers|
+
+:index:`notmuch-message-headers-visible`
+       |docstring::notmuch-message-headers-visible|
+
+.. _show-copy:
+
+Copy to kill-ring
+-----------------
+
+You can use the usually Emacs ways of copying text to the kill-ring,
+but notmuch also provides some shortcuts. These keys are available in
+:ref:`notmuch-show`, and :ref:`notmuch-tree`. A subset are available
+in :ref:`notmuch-search`.
+
+``c F``	``notmuch-show-stash-filename``
+   |docstring::notmuch-show-stash-filename|
+
+``c G`` ``notmuch-show-stash-git-send-email``
+   |docstring::notmuch-show-stash-git-send-email|
+
+``c I`` ``notmuch-show-stash-message-id-stripped``
+   |docstring::notmuch-show-stash-message-id-stripped|
+
+``c L`` ``notmuch-show-stash-mlarchive-link-and-go``
+   |docstring::notmuch-show-stash-mlarchive-link-and-go|
+
+``c T`` ``notmuch-show-stash-tags``
+   |docstring::notmuch-show-stash-tags|
+
+``c c`` ``notmuch-show-stash-cc``
+   |docstring::notmuch-show-stash-cc|
+
+``c d`` ``notmuch-show-stash-date``
+   |docstring::notmuch-show-stash-date|
+
+``c f`` ``notmuch-show-stash-from``
+   |docstring::notmuch-show-stash-from|
+
+``c i`` ``notmuch-show-stash-message-id``
+   |docstring::notmuch-show-stash-message-id|
+
+``c l`` ``notmuch-show-stash-mlarchive-link``
+   |docstring::notmuch-show-stash-mlarchive-link|
+
+``c s`` ``notmuch-show-stash-subject``
+   |docstring::notmuch-show-stash-subject|
+
+``c t`` ``notmuch-show-stash-to``
+   |docstring::notmuch-show-stash-to|
+
+``c ?``
+    Show all available copying commands
+
 .. _notmuch-tree:
 
 notmuch-tree
@@ -218,6 +278,9 @@ email archives. Each line in the buffer represents a single
 message giving the relative date, the author, subject, and any
 tags.
 
+``c``
+    :ref:`show-copy`
+
 ``<return>``
    Displays that message.
 
@@ -275,7 +338,7 @@ operations specified in ``notmuch-tagging-keys``; i.e. each
 
 :index:`notmuch-tagging-keys`
 
-   A list of keys and corresponding tagging operations.
+  |docstring::notmuch-tagging-keys|
 
 Configuration
 =============
@@ -286,8 +349,10 @@ Importing Mail
 --------------
 
 :index:`notmuch-poll`
+   |docstring::notmuch-poll|
 
 :index:`notmuch-poll-script`
+   |docstring::notmuch-poll-script|
 
 Init File
 ---------
@@ -300,3 +365,11 @@ suffix exist it will be read instead (just one of these, chosen in this
 order). Most often users create ``~/.emacs.d/notmuch-config.el`` and just
 work with it. If Emacs was invoked with the ``-q`` or ``--no-init-file``
 options, ``notmuch-init-file`` is not read.
+
+.. include:: ../emacs/rstdoc.rsti
+
+.. include:: ../emacs/notmuch-lib.rsti
+
+.. include:: ../emacs/notmuch-show.rsti
+
+.. include:: ../emacs/notmuch-tag.rsti
-- 
2.17.0