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Hermes SMTP Server) with ESMTPA ID 13b30415cc2878ca8bcb93e2cca8ca44; Sun, 22 May 2022 01:35:31 +0000 (UTC) In-Reply-To: <87o7zrthss.fsf@yahoo.com> (Po Lu's message of "Sat, 21 May 2022 16:24:03 +0800") X-Mailer: WebService/1.1.20225 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.191.148; envelope-from=luangruo@yahoo.com; helo=sonic304-22.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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:290066 Archived-At: Po Lu writes: >> I also notice that this hook was implemented for all the supported GUI >> backends except w32, which is unfortunate and undocumented. > > I plan to try implementing it there in the coming days. Hmm, I have a few questions: is it safe to assume the WM_DISPLAYCHANGE message will always be defined in the Windows headers Emacs is built with, and does it exist on Windows 9x? Thanks.