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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!feeds.phibee-telecom.net!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!bawden.eternal-september.org!.POSTED!not-for-mail From: Alan Bawden Newsgroups: comp.lang.lisp Subject: Re: Lisp history: IF, etc. Date: Wed, 03 Apr 2024 22:29:50 -0400 Organization: ITS Preservation Society Lines: 17 Message-ID: <86v84xoo69.fsf@williamsburg.bawden.org> References: <20240329084454.0000090f@gmail.com> <20240329101248.556@kylheku.com> <20240329104716.777@kylheku.com> <20240330112105.553@kylheku.com> <87r0fp8lab.fsf@tudado.org> <87wmpg7gpg.fsf@tudado.org> <20240402084057.881@kylheku.com> <86h6gjpq3i.fsf_-_@williamsburg.bawden.org> <86cyr6pb2l.fsf@williamsburg.bawden.org> MIME-Version: 1.0 Content-Type: text/plain Injection-Date: Thu, 04 Apr 2024 02:29:51 +0200 (CEST) Injection-Info: bawden.eternal-september.org; posting-host="e07f213705933abd0291280324cd0958"; logging-data="425707"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/DGhvUINL409bgvqmOpUV/" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) Cancel-Lock: sha1:KVkbL08m3YoI2XC7N+p68Phino8= sha1:Osr5SZN6ApTKUpvZsoRX1qRht/0= Bytes: 2178 Lawrence D'Oliveiro writes: On Wed, 03 Apr 2024 14:15:14 -0400, Alan Bawden wrote: > Other programming languages at the time (e.g. FORTRAN and ALGOL) only > had conditional statements. Algol60 had if-expressions, e.g. a := if b then c else d Ah yes, the history is slightly more complicated than I remembered. Algol 58 did not have conditional expressions. But McCarthy then joined the Algol committee and he suggested that they add conditional expressions. And so they do appear in Algol 60. - Alan