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Re: [emms-help] emms-shuffle error

From: Yoni Rabkin Katzenell
Subject: Re: [emms-help] emms-shuffle error
Date: Sun, 24 Sep 2006 12:31:09 +0300
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.50 (gnu/linux)

Leon <address@hidden> writes:

> Hi,
> emms-shuffle as in emms 2.1 will generate such an error:
> ,----
> | Debugger entered--Lisp error: (invalid-function (macro . #[(&rest body) 
> "ÁÂÃÄÅÆÃÇBBEEE." [body progn (when (or (not emms-playlist-buffer) (not 
> (buffer-live-p emms-playlist-buffer))) (emms-playlist-current-clear)) let 
> ((emms-source-old-buffer (or emms-source-old-buffer (current-buffer)))) 
> with-current-buffer emms-playlist-buffer ((inhibit-read-only t))] 9 
> ("/opt/share/emacs/site-lisp/emms/emms.elc" . 18826)]))
> |   with-current-emms-playlist(289)
> |   emms-shuffle()
> |   call-interactively(emms-shuffle)
> |   execute-extended-command(nil)
> |   call-interactively(execute-extended-command)
> `----
> Any fix?

This error will happen only when Emms is byte-compiled. In emms.el,
functions like `emms-shuffle' call the macro
`with-current-emms-playlist' before it is defined.

Indeed section 13.3 of the Elisp manual says:

"In order for compilation of macro calls to work, the macros must
already be defined in Lisp when the calls to them are compiled."

I won't send a patch in quite yet because I don't wish to make a salad
out of Jorgen's core Emms file, and there are other ways to solve this.

   "Cut your own wood and it will warm you twice"

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