* lisp/isearch.el (isearch-mode-map): Bind `isearch-toggle-invisible' to "\M-si".

(isearch-invisible): New variable.
(isearch-forward): Doc fix.
(isearch-mode): Set `isearch-invisible'
to the value of `search-invisible'.
(isearch-toggle-case-fold): Doc fix.
(isearch-toggle-invisible): New command.
(isearch-query-replace): Let-bind `search-invisible'
to the value of `isearch-invisible'.
(isearch-search): Use `isearch-invisible' instead of
`search-invisible'.  Let-bind `search-invisible'
to the value of `isearch-invisible'.

Fixes: debbugs:11378

1 files changed, 3 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 80546ce985a..9e303f354fe 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -241,6 +241,9 @@ entries displayed by `Info-index-next', `Info-virtual-index' and
 *** `C-x 8 RET' in Isearch mode reads a character by its Unicode name
 and adds it to the search string.
 
+*** `M-s i' toggles the variable `isearch-invisible' between nil and
+the value of the option `search-invisible' (or `open' when it's nil).
+
 *** `query-replace' skips invisible text when `search-invisible' is nil,
 and opens overlays with hidden text when `search-invisible' is `open'.