From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#27647: 26.0.50; Line numbers implemented natively disappear momentarily when frame out of focus Date: Wed, 19 Jul 2017 13:52:28 -0400 Message-ID: References: <83eftnitpj.fsf@gnu.org> <83bmorjba2.fsf@gnu.org> <83eftliuk5.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Trace: blaine.gmane.org 1500486792 9688 195.159.176.226 (19 Jul 2017 17:53:12 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 19 Jul 2017 17:53:12 +0000 (UTC) Cc: 27647@debbugs.gnu.org, Kaushal Modi To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jul 19 19:53:07 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dXt9l-0002B4-Sj for geb-bug-gnu-emacs@m.gmane.org; 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Wed, 19 Jul 2017 10:52:29 -0700 (PDT) Original-Received: by 10.74.113.91 with HTTP; Wed, 19 Jul 2017 10:52:28 -0700 (PDT) In-Reply-To: <83eftliuk5.fsf@gnu.org> X-Google-Sender-Auth: cbyync64t95Ax1Wp0hRIC-CuXkk 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: 208.118.235.43 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:134754 Archived-At: On Wed, Jul 12, 2017 at 10:44 AM, Eli Zaretskii wrote: >> From: Kaushal Modi >> Date: Tue, 11 Jul 2017 20:08:47 +0000 >> Cc: 27647@debbugs.gnu.org >> >> This is what I see (I was able to record the moment when the lines reappeared on clicking anywhere in the >> window): http://i.imgur.com/5C5FmGS.gifv >> >> When the above happened, the point was in a Fundamental Mode buffer window and the other window had >> this file in emacs-lisp-mode. I do not have display-line-numbers set to t globally; so fundamental-mode has >> that value at nil and the elisp window had that set to t. Again the line num disappearance happened when the >> emacs frame was out of focus. >> >> Interestingly the variable watcher did not get triggered. > > I guess the variable gets changed by one of the ways that Lisp-level > watchers cannot catch. Perhaps 'watch Vdisplay_line_numbers' in gdb would help?