Doc and lispref updates related to searching

* doc/lispref/searching.texi (Regexp Functions, Regexp Search):
(Simple Match Data, Saving Match Data, Standard Regexps): Copyedits.
(Regexp Functions): Mention regexp-opt is not guaranteed.
Mention regexp-opt-charset.
(Regexp Search): Recommend against looking-back.
(Search and Replace): Use Texinfo recommended quote convention.
Add more query-replace-map items.  List multi-query-replace-map items.

* lisp/replace.el (query-replace-map): Doc fix.

* admin/FOR-RELEASE: Related markup.

1 files changed, 1 insertions, 1 deletions

diff --git a/admin/FOR-RELEASE b/admin/FOR-RELEASE
index 73ff5ab7810..10e589371c4 100644
--- a/admin/FOR-RELEASE
+++ b/admin/FOR-RELEASE
@@ -220,7 +220,7 @@ os.texi           cyd
 package.texi      rgm
 positions.texi    cyd
 processes.texi
-searching.texi    
+searching.texi    rgm
 sequences.texi    cyd
 streams.texi      cyd
 strings.texi      cyd