From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#11445: 24.0.96; Customize buffer edit fields should have undo Date: Fri, 04 Jun 2021 11:25:38 +0200 Message-ID: <87czt20ynh.fsf@gnus.org> References: <428727A8D734409481B739A7443120C5@us.oracle.com> <87h7ig94zg.fsf@gnus.org> <87o8co4fu4.fsf@tbb.theblackbeard.org> <87h7ifberm.fsf@gnus.org> <87sg1zdk3k.fsf@web.de> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14336"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 11445@debbugs.gnu.org, Mauro Aranda To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jun 04 11:28:30 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lp67v-0003QZ-Up for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from cm-84.212.220.105.getinternet.no ([84.212.220.105] helo=xo) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lp65C-0003lJ-JG; Fri, 04 Jun 2021 11:25:42 +0200 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAABGdBTUEAALGPC/xhBQAAACBj SFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAElBMVEX9/O3q5s/AvKiH hHc5NjH////zFb09AAAAAWJLR0QF+G/pxwAAAAd0SU1FB+UGBAkSMayECQAAAAGhSURBVDjLfVQN esMgCMV0BxCyAwjuAIvkAqve/0wDNe2ar9nr16o8QX4L8B4B5AxGAxPoBYAybyQ3EUVh11gySlnY CTuR2xgE+YIMa0mLJJWbqmQtN9GkqIqAGEOI9oMdtgf7IMIqRbdkppSp5BJKWXKRbG+4bVyEKQWj QTggI8Vrd2dEdI7TXrrAkQTzDmG6hv0xMdG8tKbgfGeAMQ55kLTXuUV0Ytym5vgeB1OBIQ+5y9vP NPogPoe81VeCdJ/E/ShgJ9Z23G+tDCIaEde2t6GhbGuVsHVTy16rTKL2ZW+WT3MXl5LbAzqeMiIG q117RXWNmJXDmXCNVQu8I6iyJehFvLe7eUXsfn+9EvpIycfJ1t0D9EA/3xFetrUdQY7HPSVI3mcR wo6UKxXarGbFiVnaL2vL0EuW7CtGzHqXvM2cZ7M+HwdYikQ5ilG85t0QolqYt6NbaDSDYz3MjDI9 iIB/xP2mm/orfJLXvXsJb3l89vJzDK7nvGtwz5i5B8NJC27NOv4paAw5cZ96H06bdiJJxCazLTLb +Z/hHP4wnvELPGmBT22QumgAAAAldEVYdGRhdGU6Y3JlYXRlADIwMjEtMDYtMDRUMDk6MTg6NDgr MDA6MDCwMJDnAAAAJXRFWHRkYXRlOm1vZGlmeQAyMDIxLTA2LTA0VDA5OjE4OjQ4KzAwOjAwwW0o WwAAAABJRU5ErkJggg== X-Now-Playing: Opal's _Chemical Imbalance #6_: "Indian Summer" In-Reply-To: <87sg1zdk3k.fsf@web.de> (Michael Heerdegen's message of "Thu, 03 Jun 2021 17:49:19 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:207988 Archived-At: Michael Heerdegen writes: > Question is whether it's even well defined to do this differently. > > It's not that every text field has its own undo. Undo stops at points > when widgets changed because undoing further would undo changes > involving widgets, which ones are there, how they look like, etc. Since > using widgets has side effects (like setting variables or saving) just > undoing anything would potentially lead to an inconsistent state. > > How would you address this problem? Not all actions in a custom buffer can be undone (with the normal Emacs undo functionality), but it seems quiet unexpected that deleting a character in the text field of the buffer with the normal editing commands can't be undone. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no