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Re: [O] "void-variable: tree" in agenda in emacs 23.4.1
From: |
Nicolas Goaziou |
Subject: |
Re: [O] "void-variable: tree" in agenda in emacs 23.4.1 |
Date: |
Sat, 11 Jan 2014 10:22:34 +0100 |
Hello,
Daniel Clemente <address@hidden> writes:
> since some days ago I get an export error after C-a a, batch export, C-e on
> .org files, … Backtrace at the end.
>
> Even (avl-tree--root org-element--cache) or (avl-tree--root nil) produce
> the same error.
>
> This is not a bug in org, but in Emacs 23.4.1. avl-tree.el says:
>
> (defmacro avl-tree--root (tree)
> ;; Return the root node for an avl-tree. INTERNAL USE ONLY.
> `(avl-tree--node-left (avl-tree--dummyroot tree)))
>
> And it should have a comma before the word „tree“ in the body. Like this
> (org-mode works with this):
>
> (defmacro avl-tree--root (tree)
> ;; Return the root node for an avl-tree. INTERNAL USE ONLY.
> `(avl-tree--node-left (avl-tree--dummyroot ,tree)))
>
> This was fixed in emacs from Bazaar (in rev. 104392, Fri 2011-05-27
> 20:03:26 -0300).
I wasn't aware of this bug. Thank you.
> But at the moment org-mode does not work in Emacs 23.4.1, so I think it
> should have a work-around.
> The fix can be: „if Emacs version is lower than […] then define the macro
> again with the correct code“. Like:
>
> (if (version< emacs-version "24")
> (defmacro avl-tree--root (tree)
> ;; Backport fix for older versions due to missing comma in ,tree
> `(avl-tree--node-left (avl-tree--dummyroot ,tree)))
> )
I just avoided to use `avl-tree--root' altogether. Hopefully, this
should fix the problem.
Regards,
--
Nicolas Goaziou