Rename to if-let* and when-let*

Make the existing if-let and when-let aliases.
* lisp/emacs-lisp/subr-x.el (if-let*, when-let*): New macros.  Rewrite
docstrings, incorporating that from let* and the existing if-let.
(if-let, when-let, and-let*): Alias them.

1 files changed, 4 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 617f39f9b4c..930e1c893b4 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -885,6 +885,10 @@ collection).
 +++
 ** 'car' and 'cdr' compositions 'cXXXr' and 'cXXXXr' are now part of Elisp.
 
+---
+** 'if-let*', 'when-let*', and 'and-let*' are new in subr-x.el.
+The incumbent 'if-let' and 'when-let' are now aliases.
+
 +++
 ** The new functions 'make-nearby-temp-file' and 'temporary-file-directory'
 can be used for creation of temporary files of remote or mounted directories.