Update to Transient v0.7.2-4-gf75bc48d

doc/misc/transient.texi

@@ -1208,7 +1208,10 @@ prefix's @code{transient--layout} property, but it is often more convenient
 to use the same form as understood by @code{transient-define-prefix},
 described below.  If you use the latter approach, you can use the
 @code{transient-parse-suffixes} and @code{transient-parse-suffix} functions to
-transform them from the convenient to the expected form.
+transform them from the convenient to the expected form.  Depending
+on the used group class, @code{transient-parse-suffixes}'s SUFFIXES must be
+a list of group vectors (for @code{transient-columns}) or a list of suffix
+lists (for all other group classes).
 
 If you explicitly specify children and then transform them using
 @code{:setup-children}, then the class of the group is determined as usual,
@@ -1220,6 +1223,32 @@ For backward compatibility, if you fail to do so, @code{transient-column}
 is used and a warning is displayed.  This warning will eventually
 be replaced with an error.
 
+@lisp
+(transient-define-prefix my-finder-by-keyword ()
+  "Select a keyword and list matching packages."
+  ;; The real `finder-by-keyword' is more convenient
+  ;; of course, but that is not the point here.
+  [:class transient-columns
+   :setup-children
+   (lambda (_)
+     (transient-parse-suffixes
+      'my-finder-by-keyword
+      (let ((char (1- ?A)))
+        (mapcar                  ; a list ...
+         (lambda (partition)
+           (vconcat              ; of group vectors ...
+            (mapcar (lambda (elt)
+                      (let ((keyword (symbol-name (car elt))))
+                                 ; ... where each suffix is a list
+                        (list (format "%c" (cl-incf char))
+                              keyword
+                              (lambda ()
+                                (interactive)
+                                (finder-list-matches keyword)))))
+                    partition)))
+         (seq-partition finder-known-keywords 7)))))])
+@end lisp
+
 @item
 The boolean @code{:pad-keys} argument controls whether keys of all suffixes
 contained in a group are right padded, effectively aligning the

lisp/transient.el

@@ -2550,7 +2550,10 @@ value.  Otherwise return CHILDREN as is."
                  (transient--pop-keymap 'transient--redisplay-map)
                  (setq transient--redisplay-map new)
                  (transient--push-keymap 'transient--redisplay-map))
-               (transient--redisplay)))))))
+               (transient--redisplay)))))
+    (setq transient-current-prefix nil)
+    (setq transient-current-command nil)
+    (setq transient-current-suffixes nil)))
 
 (defun transient--post-exit (&optional command)
   (transient--debug 'post-exit)
@@ -2573,9 +2576,6 @@ value.  Otherwise return CHILDREN as is."
     (remove-hook 'pre-command-hook  #'transient--pre-command)
     (remove-hook 'post-command-hook #'transient--post-command)
     (advice-remove 'recursive-edit #'transient--recursive-edit))
-  (setq transient-current-prefix nil)
-  (setq transient-current-command nil)
-  (setq transient-current-suffixes nil)
   (let ((resume (and transient--stack
                      (not (memq transient--exitp '(replace suspend))))))
     (unless (or resume (eq transient--exitp 'replace))