From: "R. Diez" <rdiezmail-emacs@yahoo.de>
To: YUE Daian <sheepduke@gmail.com>
Cc: "help-gnu-emacs@gnu.org" <help-gnu-emacs@gnu.org>
Subject: Re: Indenting with the tab key like everyone else
Date: Tue, 16 Jul 2019 09:23:53 +0200 [thread overview]
Message-ID: <930e1fdf-f50a-9280-b45f-2a05fd5ae7c8@yahoo.de> (raw)
In-Reply-To: <87ef3abcnk.fsf@work.i-did-not-set--mail-host-address--so-tickle-me>
> I am not sure what you really want to do exactly. There are some tips I
> thought of based on the code:
> [...]
After much fighting with Emacs, I think I narrowed the problem down to a weird side-effect of calling (use-region-p). I have written this
routine for test purposes. I would be interested to know if you can reproduce it on your Emacs.
; This routine lets you test the surprising side-effect of calling (use-region-p).
;
; Before calling this routine, select a few text lines by going to the beginning of a line
; (column 0) and pressing Shift + <cursor down> a few times. The lines will be highlighted.
;
; Then call this routine interactively a few times in a row. The lines will indent one character at a time.
; The first time, the highlighting will disappear, but the selection will somehow stay, so that
; further calls will still indent the same lines.
;
; After the test above, change "(if t" below to "(if (use-region-p)", and repeat the test.
; The first time, the text will indent one character, but the second call will not indent anymore,
; because the selection is completely lost.
(defun indentation-test nil ""
(interactive)
(if t
; (if (use-region-p)
(indent-rigidly (region-beginning) (region-end) 1)
(message "Skipping because there is no selection.")
)
)
Best regards,
rdiez
prev parent reply other threads:[~2019-07-16 7:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1019418503.3900238.1559510385829.ref@mail.yahoo.com>
2019-06-02 21:19 ` Indenting with the tab key like everyone else R. Diez via help-gnu-emacs
2019-06-04 1:19 ` Emanuel Berg via help-gnu-emacs
2019-06-04 4:29 ` YUE Daian
2019-06-25 8:09 ` R. Diez via help-gnu-emacs
2019-07-01 4:29 ` YUE Daian
2019-07-16 7:23 ` R. Diez [this message]
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