* rst.el: Integrate support for `imenu' and `which-function'.

Fixes feature request bug#11711.

(rst-mode): Create `imenu-create-index-function'.
(rst-get-stripped-line): Delete after refactoring.
(rst-section-tree, rst-section-tree-rec)
(rst-section-tree-point): Refactor and document properly.
(rst-imenu-find-adornments-for-position)
(rst-imenu-convert-cell, rst-imenu-create-index): New
function.

1 files changed, 2 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index b63430b0803..3b4b06341c5 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -419,6 +419,8 @@ the experience for Sphinx users.
 
 *** Package version in `rst-version'.
 
+*** Support `imenu' and `which-func'.
+
 ** New `derived-mode' filter for Ibuffer, bound to `/ M'.
 `/ m' is now bound to filter by used-mode, which used to be bound to `/ M'.