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Fri, 28 Jun 2024 14:16:37 -0400 (EDT) From: Steven Allen To: Suhail Singh Cc: Suhail Singh , Ihor Radchenko , emacs-orgmode@gnu.org, Bastien Subject: Re: [POLL] We plan to remove #+LINK: ...%(my-function) placeholder from link abbreviation spec In-Reply-To: <87v81t2br3.fsf@gmail.com> References: <87sex5gdqc.fsf@localhost> <87wmm96r53.fsf@localhost> <87cyo13w0x.fsf@gmail.com> <87pls1ox7v.fsf@stebalien.com> <874j9d3tjp.fsf@gmail.com> <87msn5ovbx.fsf@stebalien.com> <87v81t2br3.fsf@gmail.com> Date: Fri, 28 Jun 2024 11:16:35 -0700 Message-ID: <87ikxtoruk.fsf@stebalien.com> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=103.168.172.156; envelope-from=steven@stebalien.com; helo=fhigh5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-orgmode@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: emacs-orgmode-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Spam-Score: -9.58 X-Migadu-Queue-Id: 5048425E53 X-Migadu-Scanner: mx10.migadu.com X-Migadu-Spam-Score: -9.58 X-TUID: URJ1uHcYvpBG Suhail Singh writes: > Steven Allen writes: > >> The concern is that, e.g., there may b a function _marked_ as pure >> that's not actually pure, leaks some information, and/or has a >> security vulnerability (e.g., a C function exposed to lisp that's >> marked as pure but internally has, e.g., a buffer overflow). > > Are there any functions marked as pure, by default? > Yes. Any function that starts with: (declare (pure t) ... This flag was introduced to allow the byte/native compiler to better optimize calls to pure functions. It's used here because "pure" functions should be safe to call.