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| From: | Emanuel Berg |
| Subject: | Re: Why have a #if .... #else .... #endif construct in Emacs Lisp, when we could make the existing code DTRT unchanged? |
| Date: | Tue, 05 Sep 2023 02:41:52 +0200 |
| User-agent: | Gnus/5.13 (Gnus v5.13) |
Richard Stallman wrote: >> How about making the byte compiler recognize the construct >> >> (if (< emacs-major-version NUMBER) ...) >> >> and do this optimization on it? > > People seem not to have considered this seriously, but > I have not seen any serious discussion of a drawback. > What flaw or drawback do people see in it? It should > optimize the existing the existing code with no change at > all. Isn't that just perfect? Will it drop byte-compiler warnings as well from the part that is dropped? -- underground experts united https://dataswamp.org/~incal
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