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RE: `if' in Elisp (was: Re: title-case function)

From: Drew Adams
Subject: RE: `if' in Elisp (was: Re: title-case function)
Date: Sun, 21 Apr 2019 12:34:55 +0000 (UTC)

> >> Do you mean using progn for the ELSE in the
> >> if expression? From the documentation on
> >> `if':
> >> (if COND THEN ELSE...)
> >> THEN must be one expression, but ELSE... can
> >> be zero or more expressions.
> > So yeah, progn is unnecessary.
> Unbelievable, when/how did this happen?!

After Lisp 1.5 and before Common Lisp v1 - 1970s probably.
For Emacs Lisp, it's been the case since Day One, I believe.

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