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Wed, 27 Jan 2021 18:43:14 +0000 Thread-Topic: [External] : Re: finding stuff Thread-Index: AQHW9Hf4dxBkhiSMi0CIt0Ex2QMyE6o7ykpw In-Reply-To: <87eei6ubg2.fsf@zoho.eu> Accept-Language: en-US Content-Language: en-US authentication-results: zoho.eu; dkim=none (message not signed) header.d=none;zoho.eu; dmarc=none action=none header.from=oracle.com; x-originating-ip: [73.170.83.28] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 9e72ca00-7ce2-45dc-74e6-08d8c2f367c2 x-ms-traffictypediagnostic: SA2PR10MB4746: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255; 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envelope-from=drew.adams@oracle.com; helo=aserp2130.oracle.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:127389 Archived-At: > But can't you do the same discovery travel with shortcuts, > with `C-h m' or `describe-mode'? No, you can't. (Whatever's not the same is different - has relative (dis)advantages.) 1. `describe-mode' is limited. It's limited to whatever someone wrote for it for the given mode. 2. Menu items generally describe/name commands a bit differently from their command names. I cited the example for the case in question (`C-h d'). And menus group related commands, in a hierachy. The names of the ancestors and siblings in the hierarchy also help with discovery. 3. Wrt matching against menu names (items and their ancestor menus): If you use something like La Carte together with completion that allows substring or regexp matching, and progressive completion, then you can directly match component bits of a menu item looked at as an absolute name, i.e., including its entire path from the root. That lets you discover it based on any/all of its ancestors, as well as the item name, AND go to it directly, in one go. 4. All of these are helpful, including for discovery, and each offers a difference access approach or entry point: * key sequence (e.g. mnemonic, similar to keys for related behavior) * command name (e.g. name components that say different things about what it means/does * menu item name * full menu item name, i.e., including its "path"