emacs-29 0337131bfa1: Update to Transient v0.3.7-218-g3dbb22a

[Jonas Bernoulli]

branch: emacs-29
commit 0337131bfa194856234ddfe70ee38b3165d66289
Author: Jonas Bernoulli <jonas@bernoul.li>
Commit: Jonas Bernoulli <jonas@bernoul.li>

    Update to Transient v0.3.7-218-g3dbb22a
---
 doc/misc/transient.texi | 14 ++++++++++++++
 lisp/transient.el       | 17 +++++++++++------
 2 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/doc/misc/transient.texi b/doc/misc/transient.texi
index 850930a290f..33d689cc01b 100644
--- a/doc/misc/transient.texi
+++ b/doc/misc/transient.texi
@@ -2566,6 +2566,20 @@ currently exist.
 
 Yes, see @code{transient-display-buffer-action} in @ref{Configuration}.
 
+@anchor{How can I copy text from the popup buffer?}
+@appendixsec How can I copy text from the popup buffer?
+
+To be able to mark text in any transient popup buffer using the mouse,
+you have to add the following binding.  Note that the region won't be
+visualized, while doing so.  After you have quit the transient popup,
+you will be able to yank it another buffer.
+
+@lisp
+(keymap-set transient-predicate-map
+            "<mouse-set-region>"
+            #'transient--do-stay)
+@end lisp
+
 @anchor{Why did some of the key bindings change?}
 @appendixsec Why did some of the key bindings change?
 
diff --git a/lisp/transient.el b/lisp/transient.el
index 96e711e950c..4affc414fa6 100644
--- a/lisp/transient.el
+++ b/lisp/transient.el
@@ -2516,17 +2516,22 @@ prefix argument and pivot to `transient-update'."
 
 (defun transient--invalid (msg)
   (ding)
-  (message "%s: `%s' (Use `%s' to abort, `%s' for help) [%s]"
+  (message "%s: `%s' (Use `%s' to abort, `%s' for help)%s"
            msg
            (propertize (key-description (this-single-command-keys))
                        'face 'font-lock-warning-face)
            (propertize "C-g" 'face 'transient-key)
            (propertize "?"   'face 'transient-key)
-           ;; `this-command' is `transient--undefined' or similar at this
-           ;; point.  Show the command the user actually tried to invoke.
-           (propertize (symbol-name (transient--suffix-symbol
-                                     this-original-command))
-                       'face 'font-lock-warning-face))
+           ;; `this-command' is `transient-undefined' or `transient-inapt'.
+           ;; Show the command (`this-original-command') the user actually
+           ;; tried to invoke.  For an anonymous inapt command that is a
+           ;; lambda expression, which cannot be mapped to a symbol, so
+           ;; forgo displaying the command.
+           (if-let ((cmd (ignore-errors
+                           (symbol-name (transient--suffix-symbol
+                                         this-original-command)))))
+               (format " [%s]" (propertize cmd 'face 'font-lock-warning-face))
+             ""))
   (unless (and transient--transient-map
                (memq transient--transient-map overriding-terminal-local-map))
     (let ((transient--prefix (or transient--prefix 'sic)))