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Thu, 16 Mar 2023 13:35:40 -0700 (PDT) Received: from [192.168.90.130] ([136.56.157.22]) by smtp.gmail.com with ESMTPSA id w11-20020ac843cb000000b003d8f78b82besm59574qtn.70.2023.03.16.13.35.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Mar 2023 13:35:40 -0700 (PDT) Content-Type: multipart/alternative; boundary="------------la4296lwoYJQX2vjAB0KCL0P" Message-ID: Date: Thu, 16 Mar 2023 16:35:39 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Content-Language: en-US To: Paul Winalski , Bakul Shah References: <8D38925D-428C-4346-876A-9689BD41F375@iitbombay.org> From: Steve Bourne In-Reply-To: Message-ID-Hash: J7UB3MEFM2HSVTV63AGXUKNKWMKABHI2 X-Message-ID-Hash: J7UB3MEFM2HSVTV63AGXUKNKWMKABHI2 X-MailFrom: srbourne@gmail.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: srb@acm.org, tuhs@tuhs.org X-Mailman-Version: 3.3.6b1 Precedence: list Reply-To: srb@acm.org Subject: [TUHS] Re: GOTO etc List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: This is a multi-part message in MIME format. --------------la4296lwoYJQX2vjAB0KCL0P Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 SGkgQmFrdWwsIHllcyBub24gbG9jYWwgR09UT3MuwqAgSW4gdGhlIEFsZ29sNjhDIGNvbXBp bGVyIHdlIHdyb3RlIHdlIHVzZWQgdGhlIG5hbWVzIHNldG1wIGFuZCBsb25nam1wDQpmb3Ig dGhlIGNvZGUgZ2VuZXJhdGlvbiByb3V0aW5lcyB0byBpbXBsZW1lbnQgbm9uIGxvY2FsIGdv dG8uwqAgU28gYXMgeW91IHNheSB0aGV5IHdlcmUgbm90IHBhcnRvZiANCnRoZSBBbGdvbDY4 IGxhbmd1YWdlLg0KDQpTdGV2ZQ0KDQpPbiAzLzEyLzIzIDU6MTAgUE0sIFBhdWwgV2luYWxz a2kgd3JvdGU6DQo+IE9uIDMvMTIvMjMsIEJha3VsIFNoYWg8YmFrdWxAaWl0Ym9tYmF5Lm9y Zz4gIHdyb3RlOg0KPj4gUGVyaGFwcyB5b3XigJlyZSB0YWxraW5nIGFib3V0IG5vbi1sb2Nh bCBHT1RPcyBpbiBBbGdvbDY4LCB3aGVyZSB5b3UgY2FuIGp1bXANCj4+IGZyb20gYSBuZXN0 ZWQgcHJvY2VkdXJlIHRvIGEgbGFiZWwgaW4gYSBsZXhpY2FsbHkgZW5jbG9zaW5nIHByb2Nl ZHVyZS4NCj4+IFBhc2NhbCBoYXMgdGhpcyB0b28uDQo+IFNvIGRvZXMgUEwvSS4NCj4NCj4g LVBhdWwgVy4NCg0K --------------la4296lwoYJQX2vjAB0KCL0P Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Bakul, yes non local GOTOs.=C2=A0 In the Algol68C compiler we wrote we used the names se= tmp and longjmp
for the code generation routines to implement non local goto.=C2=A0= So as you say they were not partof the Algol68 language.

Steve

On 3/12/23 5:10 PM, Paul Winalski wrote:
On 3/12/23, Bakul Shah <bak=
ul@iitbombay.org> wrote:

Perhaps you=E2=80=99re tal=
king about non-local GOTOs in Algol68, where you can jump
from a nested procedure to a label in a lexically enclosing procedure.
Pascal has this too.

So does PL/I.

-Paul W.

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