Add char-folding of double quotes in isearch-fold-quotes-mode (bug#24510)

* lisp/isearch.el (isearch-fold-quotes-mode): Add char-folding of
double quotation marks.

* test/lisp/subr-tests.el (test-local-set-state): Test values
after setting state.

1 files changed, 3 insertions, 0 deletions

diff --git a/test/lisp/subr-tests.el b/test/lisp/subr-tests.el
index 6bcac2a5eba..8f3ee66e00d 100644
--- a/test/lisp/subr-tests.el
+++ b/test/lisp/subr-tests.el
@@ -1065,6 +1065,9 @@ final or penultimate step during initialization."))
     (let ((state (buffer-local-set-state global 10
                                          local 20
                                          unexist 30)))
+      (should (= global 10))
+      (should (= local 20))
+      (should (= unexist 30))
       (buffer-local-restore-state state)
       (should (= global 1))
       (should (= local 2))