GNU bug report logs - #44080
27.1; Display behavior of overlays `after-string` in resizable minibuffer frames

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Clemens <clemens.radermacher <at> posteo.de>
Subject: bug#44080: closed (Fixed for Emacs 27.2)
Date: Tue, 27 Oct 2020 18:24:01 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#44080: 27.1; Display behavior of overlays `after-string` in resizable minibuffer frames

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 44080 <at> debbugs.gnu.org.

-- 
44080: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=44080
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Clemens <clemens.radermacher <at> posteo.de>
To: 44080-done <at> debbugs.gnu.org
Subject: Fixed for Emacs 27.2
Date: Tue, 27 Oct 2020 19:23:33 +0100

[Message part 3 (message/rfc822, inline)]

From: Clemens <clemens.radermacher <at> posteo.de>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.1; Display behavior of overlays `after-string` in resizable
 minibuffer frames
Date: Mon, 19 Oct 2020 20:39:15 +0200

Hi,

there seems to be display bug when using `after-string` to display text 
in resizable minibuffer frames. To reproduce:

1. `emacs -Q --eval "(setq default-frame-alist '((minibuffer . nil)))"`
2. `eval-buffer` with following code:

```elisp
(setq resize-mini-frames t)

(defvar ov (make-overlay (point-min) (point-min) nil t t))

(minibuffer-with-setup-hook
    (lambda ()
      (move-overlay ov
		    (point-max)
		    (point-max)
		    (current-buffer))
       ;; Note the initial newline...
      (overlay-put ov 'after-string "\nHey there, I'm hidden initially 
and will hide again after any space in the input"))
  (read-string "Hi? "))
```

3. Start typing

As stated in the after-string text, it is initially hidden, shows when 
you input some text and gets hidden again every time you type a space.

--

In GNU Emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30, 
cairo version 1.15.10)
 of 2020-08-20 built on clemera
Windowing system distributor 'The X.Org Foundation', version 11.0.11906000
System Description: Ubuntu 18.04.5 LTS

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
user-error: Beginning of history; no preceding item

Configured using:
 'configure --with-modules --with-json --with-cairo'

Configured features:
XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND GPM DBUS GSETTINGS GLIB NOTIFY
INOTIFY GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS JSON PDUMPER LCMS2
GMP

Important settings:
  value of $LC_MONETARY: de_DE.UTF-8
  value of $LC_NUMERIC: de_DE.UTF-8
  value of $LC_TIME: de_DE.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs
format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg
epg-config gnus-util rmail rmail-loaddefs text-property-search time-date
subr-x seq byte-opt gv bytecomp byte-compile cconv mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader cl-loaddefs
cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type
mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image
regexp-opt fringe tabulated-list replace newcomment text-mode elisp-mode
lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch
timer select scroll-bar mouse jit-lock font-lock syntax facemenu
font-core term/tty-colors frame minibuffer cl-generic cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese composite charscript charprop
case-table epa-hook jka-cmpr-hook help simple abbrev obarray
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote threads dbusbind
inotify lcms2 dynamic-setting system-font-setting font-render-setting
cairo move-toolbar gtk x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 43837 7270)
 (symbols 48 6003 1)
 (strings 32 15436 1428)
 (string-bytes 1 506267)
 (vectors 16 9260)
 (vector-slots 8 124508 9186)
 (floats 8 19 43)
 (intervals 56 184 0)
 (buffers 1000 11))

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