Improve invisibility handling in isearch-lazy-highlight (bug#40808)

* lisp/isearch.el (isearch-lazy-highlight-invisible): New variable.
(isearch-lazy-highlight-new-loop, isearch-lazy-highlight-search)
(isearch-lazy-highlight-match, isearch-lazy-highlight-buffer-update): Use it.

* lisp/replace.el (replace-highlight): Let-bind isearch-invisible
to search-invisible.

* test/lisp/isearch-tests.el (isearch--test-invisible): New test.

1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/replace.el b/lisp/replace.el
index ac677db2feb..ff7ca1145b8 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -2755,6 +2755,7 @@ to a regexp that is actually used for the search.")
             (isearch-regexp-lax-whitespace
              replace-regexp-lax-whitespace)
             (isearch-case-fold-search case-fold)
+            (isearch-invisible search-invisible)
             (isearch-forward (not backward))
             (isearch-other-end match-beg)
             (isearch-error nil)