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[174.60.229.153]) by smtp.gmail.com with ESMTPSA id k88sm14894416qte.32.2020.01.18.10.36.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 18 Jan 2020 10:36:36 -0800 (PST) In-Reply-To: <83iml8zkbm.fsf@gnu.org> X-Mailer: Apple Mail (2.3608.40.2.2.4) X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::733 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:244349 Archived-At: > gdb-mi.el has gdb-display-buffer, which makes the window dedicated. > It also has some code in gdb-display-source-buffer. Neither of those > uses display-buffer, AFAICT. So where do the split thresholds come > into play in the scenario mentioned? The problem is in gud.el: it uses display-buffer instead of = gdb-display-source-buffer. When you step, `gud-display-line` runs and = calls display-buffer. My patch makes it use `gdb-display-source-buffer`. Yuan=