Merge from origin/emacs-29

59261e6f4fe Fix auth-info-password
778f8c793d1 ; * lisp/mail/rmail.el (rmail-get-new-mail-hook): Doc fix.
e6044b29e65 ; Minor fixes in ELisp manual

diff --cc doc/lispref/help.texi
Simple merge

diff --cc doc/lispref/searching.texi
index 2fa7ebc903d3ee796cacf6802b2d2c08de63d55f,3022d127c13302278493ec6726933a6576b168de..6e3680bdb4fa4d455b269b1d061b2d9136bc2d75
--- 1/doc/lispref/searching.texi
--- 2/doc/lispref/searching.texi
+++ b/doc/lispref/searching.texi
@@@ -2216,11 -2190,15 +2216,15 @@@ this regular expression.  However, spac
  
  Since this variable affects all regular expression search and match
  constructs, you should bind it temporarily for as small as possible
- a part of the code.
+ a part of the code, and only where the Lisp code affected by the
+ binding performs searches whose regexp was produced from interactive
+ user input.  In other words, this variable should only be used to tell
+ regexp search primitives how to interpret whitespace typed by the
+ user.
  @end defvar
  
 -@node POSIX Regexps
 -@section POSIX Regular Expression Searching
 +@node Longest Match
 +@section Longest-match searching for regular expression matches
  
  @cindex backtracking and POSIX regular expressions
    The usual regular expression functions do backtracking when necessary

diff --cc lisp/auth-source.el
Simple merge

diff --cc lisp/mail/rmail.el
Simple merge