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envelope-from=arthur.miller@live.com; helo=EUR05-VI1-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/15 13:35:50 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] 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, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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:250407 Archived-At: Stefan Monnier writes: >> Dont' know if it possible for Emacs and how underlaying "lisp >> machine" is constructed. Maybe each thread could have it's own eval. >> But then how would they communicate when they need, since Emacs >> buffers often are used together in some way unlike webpages in a browser. > > That's the problem: in the current design of Emacs and Elisp, we can > and do share data between buffers. > > In the web-browser, each "tab" is its own virtual-machine, with very > little communication between them and very little sharing. > > In Emacs, on the contrary all the functions and the global data defined > by the loaded packages are shared, and additionally to that some of the > buffer-local data is also shared. > > > Stefan Thank you for the clarification.