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bug#13863: 24.2; Cursor position after after-string on overlay at point-

From: Magnar Sveen
Subject: bug#13863: 24.2; Cursor position after after-string on overlay at point-max
Date: Sun, 03 Mar 2013 20:19:33 +0100

- Write some text into a buffer
- Create this overlay:

    (let ((o (make-overlay (point-max) (point-max) nil t t))
          (s "There's\na multiline\nstring here"))
      (set-text-properties 0 (length s)
       `(face (:foreground ,(format "#%02x%02x%02x" 90 90 90))) s)
      (overlay-put o 'priority 100)
      (overlay-put o 'after-string s))

    ;; the text-properties aren't important, it's just there to
    ;; separate the overlay visually.
- Go to point-max.
- Type something.

Notice that the point of insertion is not reflected by the position of
the cursor.

Basically, the cursor is positioned after the after-string of an overlay
at point-max, even if it does not accurately reflect where text is
inserted. If the after-string is large enough, you could be inserting
text outside the screen and not know about it.

I am trying to use this so that I can display some extra information
after contents of the buffer. However, it gets mighty annoying when the
cursor is placed after all the second-order information I am displaying

Maybe the placement of the cursor should depend on the the value of

- Magnar

In GNU Emacs 24.2.1 (x86_64-apple-darwin10.8.0, NS apple-appkit-1038.36)
 of 2012-09-04 on fi-bp-202.local
Windowing system distributor `Apple', version 10.3.1038
Configured using:
 `configure '--prefix=/usr/local/Cellar/emacs/24.2' '--without-dbus'
 '--infodir=/usr/local/Cellar/emacs/24.2/share/info/emacs' '--with-ns'
 '--disable-ns-self-contained' 'CC=/usr/bin/gcc-4.2' 'CFLAGS=-Os -w
 -pipe -march=core2 -msse4 -mmacosx-version-min=10.6'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8
  default enable-multibyte-characters: t

Major mode: Emacs-Lisp

Minor modes in effect:
  diff-auto-refine-mode: t
  shell-dirtrack-mode: t
  elisp-slime-nav-mode: t
  show-paren-mode: t
  global-hl-line-mode: t
  ido-ubiquitous-mode: t
  eproject-mode: t
  eldoc-mode: t
  paredit-mode: t
  persp-mode: t
  yas/global-mode: t
  yas/minor-mode: t
  global-undo-tree-mode: t
  undo-tree-mode: t
  global-subword-mode: t
  subword-mode: t
  recentf-mode: t
  delete-selection-mode: t
  global-auto-revert-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
s SPC <backspace> s-/ n a SPC m u l t i l i n e s-/ 
n s t r i n g SPC h e r e C-f C-f C-f C-j <S-left> 
C-n C-@ M-w <S-right> C-y C-p C-p C-p M-j C-n C-e C-b 
C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-b C-f C-d 
9 C-f C-f C-b C-b C-f C-f C-d 9 C-f C-f C-d 9 C-n C-p 
C-p C-n C-n C-p M-j C-n C-n C-n C-b C-b C-@ s C-p M-j 
C-e C-x 2 <S-down> C-c b H e r e ' s SPC s o m e SPC 
t e x t <S-up> C-@ M-w <S-down> M-: C-y <return> q 
<S-up> C-n C-n C-n C-n C-f C-f C-f C-f C-f C-f C-f 
C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f 
C-f C-f C-f C-f C-f C-@ C-@ C-æ o <return> C-e C-n 
C-e C-@ M-w <S-down> M-: <up> <down> C-y <return> C-p 
C-f C-f C-f C-f C-f f f f <home> C-n <S-up> C-n C-n 
C-p C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f C-f C-b 
<S-right> <S-down> C-p C-f C-f C-f C-f C-f C-f C-f 
C-f a C-p C-f C-x k <return> C-c b <S-up> C-n C-n C-p 
C-p C-p C-p C-n C-e C-b C-b C-b C-b C-f C-f <backspace> 
n i l C-n C-n C-n C-n C-n C-x C-e <S-down> a s d f 
P <backspace> <S-up> f f C-_ C-p C-p C-p C-p C-_ C-_ 
C-n C-n C-n C-n C-n C-b f <backspace> C-f f C-_ C-p 
C-p C-p C-p C-p C-a C-@ M-w <S-down> M-: C-y <return> 
f f <S-up> C-@ M-w C-x k <return> <S-down> C-x k <return> 
C-x 0 M-x e m a c s - b u <return>

Recent messages:
windmove-do-window-select: No window right from selected window
line-move-visual: Beginning of buffer [2 times]
a multiline
string here" 0 31 (face (:foreground "#5a5a5a")))
a multiline
string here" 0 31 (face (:foreground "#5a5a5a")))

Load-path shadows:
/Users/fimasvee/.emacs.d/elpa/hardcore-mode-1.0.0/hardcore-mode hides 
hides /Users/fimasvee/.emacs.d/site-lisp/fill-column-indicator
~/.emacs.d/users/fimasvee/init hides ~/.emacs.d/init
/Users/fimasvee/.emacs.d/elpa/magit-20130123.1617/rebase-mode hides 
/Users/fimasvee/.emacs.d/site-lisp/delsel/delsel hides 
~/.emacs.d/custom hides 
/usr/local/share/emacs/site-lisp/trampver hides 
/usr/local/share/emacs/site-lisp/tramp hides 
/usr/local/share/emacs/site-lisp/tramp-uu hides 
/usr/local/share/emacs/site-lisp/tramp-smb hides 
/usr/local/share/emacs/site-lisp/tramp-sh hides 
/usr/local/share/emacs/site-lisp/tramp-loaddefs hides 
/usr/local/share/emacs/site-lisp/tramp-gw hides 
/usr/local/share/emacs/site-lisp/tramp-ftp hides 
/usr/local/share/emacs/site-lisp/tramp-compat hides 
/usr/local/share/emacs/site-lisp/tramp-cmds hides 
/usr/local/share/emacs/site-lisp/tramp-cache hides 
/Users/fimasvee/.emacs.d/elpa/magit-20130123.1617/.dir-locals hides 

(shadow sort mail-extr emacsbug debug org-wl org-w3m org-vm org-rmail
org-mhe org-mew org-irc org-jsinfo org-infojs org-html org-exp ob-exp
org-exp-blocks find-func org-agenda org-info org-gnus org-docview
org-bibtex bibtex org-bbdb mule-util git-commit-mode setup-magit
magit-svn magit-bisect magit-key-mode magit diff-mode log-edit pcvs-util
add-log misearch multi-isearch cus-start cus-load ibuf-ext ibuffer
tabify network-stream starttls tls vc-git adventur-mode
alternatives-mode adv-typos adv-typo-list adv-refill refill
adv-indentation adv-keybindings adv-play adv-defuns adv-refactorings
adv-new-number adv-named-rooms adv-room-info adv-search adv-requirements
pp adv-enter adv-tab adv-escape adv-dash adv-jump-candidate
adv-syntax-highlighting adv-intelli nrepl arc-mode archive-mode
setup-clojure-mode clj-refactor clojure-mode-expansions clojure-mode
inf-lisp tramp tramp-compat tramp-loaddefs setup-shell shell-command
shell adv-utils adv-regexes regex-dsl unsafep elisp-slime-nav etags
oppdrag-mode my-defuns server setup-mu4e mu4e mu4e-speedbar speedbar
sb-image ezimage dframe mu4e-main mu4e-view epa epg epg-config
browse-url longlines mu4e-headers mu4e-compose mu4e-actions org-capture
org-mks setup-org org-mode-expansions org ob-emacs-lisp ob-tangle ob-ref
ob-lob ob-table org-footnote org-src ob-comint ob-keys ob ob-eval
org-pcomplete pcomplete org-list org-faces org-compat org-entities
org-macs noutline outline cal-menu calendar cal-loaddefs rfc2368
smtpmail auth-source gnus-util password-cache sendmail mu4e-mark
mu4e-message html2text mu4e-proc mu4e-utils doc-view jka-compr
image-mode setup-dired dired-details dired mu4e-about mu4e-vars message
format-spec rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse
rfc2231 rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mailabbrev
mail-utils gmm-utils mailheader mu4e-meta diminish mac my-misc
appearance zoom-frm frame-cmds frame-fns avoid paren hl-line
key-bindings windmove misc smex setup-ido ido-ubiquitous ido
browse-kill-ring fill-column-indicator multifiles change-inner
smart-forward wgrep setup-rgrep grep compile comint ansi-color eproject
esh-var esh-io esh-cmd esh-ext esh-proc esh-arg eldoc esh-groups eshell
esh-module esh-mode esh-util ace-jump-mode jump-char multiple-cursors
mc-separate-operations rectangular-region-mode mc-mark-more thingatpt
mc-cycle-cursors mc-edit-lines multiple-cursors-core rect
inline-string-rectangle mark-more-like-this mark-multiple expand-region
text-mode-expansions expand-region-custom expand-region-core file-defuns
imenu mode-mappings setup-paredit s dash regexp-opt paredit
setup-html-mode setup-ffip find-file-in-project setup-perspective
perspective setup-yasnippet buster-snippets buster-snippet-helpers
yasnippet dropdown-list derived help-mode view assoc setup-hippie
exec-path-from-shell sane-defaults uniquify undo-tree edmacro kmacro
diff cl smooth-scrolling warnings advice help-fns advice-preload subword
winner ring recentf tree-widget wid-edit easymenu delsel easy-mmode
autorevert setup-package elisp-slime-nav-autoloads es-lib-autoloads
exec-path-from-shell-autoloads gist-autoloads gh-autoloads eieio
byte-opt bytecomp byte-compile cconv macroexp git-commit-mode-autoloads
gitconfig-mode-autoloads gitignore-mode-autoloads
goto-last-change-autoloads hardcore-mode-autoloads htmlize-autoloads
logito-autoloads magit-autoloads move-text-autoloads nrepl-autoloads
clojure-mode-autoloads paredit-autoloads pcache-autoloads finder-inf
popwin-autoloads slime-js-autoloads slime-repl-autoloads slime-autoloads
package tabulated-list saveplace time-date tooltip ediff-hook vc-hooks
lisp-float-type mwheel ns-win tool-bar dnd fontset image fringe
lisp-mode register page menu-bar rfn-eshadow timer select scroll-bar
mouse jit-lock font-lock syntax facemenu font-core frame cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev
minibuffer loaddefs button faces cus-face files text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote make-network-process ns multi-tty

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