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X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:158155 Archived-At: --000000000000525bbe0587396258 Content-Type: text/plain; charset="UTF-8" Emacs version: 26.2 Steps to reproduce: emacs -Q Activate display-line-numbers-mode Insert some word at the first line, like "aaa" Execute (nth 2 (posn-at-point 2)), it will return (40 . 0) Execute (put-text-property 2 3 'display "A") Execute (nth 2 (posn-at-point 2)) again, it will return (4 . 0) This breaks next-line/previous-line in cases display property is used. For example, highlight-indent-guides mode uses display property to draw indentation levels. --000000000000525bbe0587396258 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Emacs version: 26.2
Steps to reproduce:
emacs -Q
= Activate display-line-numbers-mode
Insert some word at the first line, l= ike "aaa"
Execute (nth 2 (posn-at-point 2)), it will return (4= 0 . 0)
Execute (put-text-property 2 3 'display "A")
Execute (nth 2 (posn-at-point 2)) again, it will return (4 . 0)

This breaks next-line/previous-line in cases display proper= ty is used. For example, highlight-indent-guides mode uses display property= to draw indentation levels.
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