bug#25302: 25.1; `isearch-allow-prefix' does not allow `C-u C-u'

[npostavs@users.sourceforge.net]

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Drew Adams <drew.adams@oracle.com> writes:

> But a guess about the regression for `isearch-allow-scroll' is that
> it also needs to be added here:
>
>  ;; Universal argument commands
>  (put 'universal-argument 'isearch-scroll t)
>  (put 'negative-argument 'isearch-scroll t)
>  (put 'digit-argument 'isearch-scroll t)
>
> IOW, add (put 'universal-argument-more 'isearch-scroll t)

Agreed.


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From b92e54be715fd7880a4f3c260dfc360eff3f1e57 Mon Sep 17 00:00:00 2001
From: Noam Postavsky <npostavs@gmail.com>
Date: Sat, 31 Dec 2016 00:31:49 -0500
Subject: [PATCH v2] Fix isearch handling of C-u C-u...

* lisp/isearch.el: Add `isearch-scroll' property to
universal-argument-more so that `isearch-allow-scroll' will apply to it
as well.
(isearch-pre-command-hook): Let `isearch-allow-prefix' apply to
`universal-argument-more' as well (Bug#25302).
---
 lisp/isearch.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/isearch.el b/lisp/isearch.el
index 9846f0b..af82229 100644
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -2297,6 +2297,7 @@ isearch-fallback
 
 ;; Universal argument commands
 (put 'universal-argument 'isearch-scroll t)
+(put 'universal-argument-more 'isearch-scroll t)
 (put 'negative-argument 'isearch-scroll t)
 (put 'digit-argument 'isearch-scroll t)
 
@@ -2389,7 +2390,7 @@ isearch-pre-command-hook
       (setq this-command 'isearch-edit-string))
      ;; Handle a scrolling function or prefix argument.
      ((or (and isearch-allow-prefix
-	       (memq this-command '(universal-argument
+               (memq this-command '(universal-argument universal-argument-more
 				    digit-argument negative-argument)))
 	  (and isearch-allow-scroll
 	       (symbolp this-command)
-- 
2.9.3