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From: Alan Mackenzie <acm@muc.de>
To: emacs-devel@gnu.org
Subject: Macro expansion: Why doesn't the invoked macro see (let (variables)) from the invoking one?
Date: Wed, 8 Feb 2012 17:26:38 +0000	[thread overview]
Message-ID: <20120208172638.GB3523@acm.acm> (raw)

Hello, Emacs.

One macro FOO binds a let variable, then invokes another macro BAR.  BAR
doesn't see this let variable.  Why not?  Is there anything I can do
about this?

(defmacro BAR ()
  (message (if (boundp 'asdf) "asdf" "no asdf"))
  '(message "bar"))

(defmacro FOO ()
  (let (asdf)
    `(BAR)))

-- 
Alan Mackenzie (Nuremberg, Germany).



             reply	other threads:[~2012-02-08 17:26 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-08 17:26 Alan Mackenzie [this message]
2012-02-08 17:46 ` Macro expansion: Why doesn't the invoked macro see (let (variables))from the invoking one? Drew Adams
2012-02-08 19:28   ` Alan Mackenzie
2012-02-08 19:52     ` Stefan Monnier
2012-02-08 20:09       ` Alan Mackenzie
2012-02-10  5:23         ` PJ Weisberg
2012-02-10 16:58           ` Alan Mackenzie
2012-02-08 20:16     ` Andreas Schwab
2012-02-08 18:05 ` Macro expansion: Why doesn't the invoked macro see (let (variables)) from " Tassilo Horn

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