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macroexp doc fixes

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* lisp/emacs-lisp/macroexp.el (macroexp-progn): Doc clarification
(bug#19371).
(macroexp-let*): Doc fix.
This commit is contained in:
Lars Ingebrigtsen 2019-08-02 23:11:28 +02:00
parent 530a4af66c
commit e56e85d227
1 changed files with 3 additions and 2 deletions
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lisp/emacs-lisp/macroexp.el
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@ -319,7 +319,8 @@ definitions to shadow the loaded ones for use in file byte-compilation."
(cons (nreverse decls) body)))
(defun macroexp-progn (exps)
"Return an expression equivalent to \\=`(progn ,@EXPS)."
"Return EXPS with `progn' prepended.
If EXPS is a single expression, `progn' is not prepended."
(if (cdr exps) `(progn ,@exps) (car exps)))
(defun macroexp-unprogn (exp)
@ -328,7 +329,7 @@ Never returns an empty list."
(if (eq (car-safe exp) 'progn) (or (cdr exp) '(nil)) (list exp)))
(defun macroexp-let* (bindings exp)
"Return an expression equivalent to \\=`(let* ,bindings ,exp)."
"Return an expression equivalent to \\=`(let* ,BINDINGS ,EXP)."
(cond
((null bindings) exp)
((eq 'let* (car-safe exp)) `(let* (,@bindings ,@(cadr exp)) ,@(cddr exp)))