Ian Barton <lists@manor-farm.org> writes:

> I am using Babel to maintein my .emacs file. When I try to publish I
> am getting a Babel error from one of my org files. The offending
> section of the org file seems to be:
>
> #+BEGIN_SRC emacs-shell
>   127.0.0.1 mail.wilkesley.org localhost
>
>   # The following lines are desirable for IPv6 capable hosts
>   ::1 ip6-localhost ip6-loopback
>   fe00::0 ip6-localnet
>   ff00::0 ip6-mcastprefix
>   ff02::1 ip6-allnodes
>   ff02::2 ip6-allrouters
>   ff02::3 ip6-allhosts
>
> #+END_SRC
>
> I am using a recent git checkout of org and GNU Emacs 23.1.50.1
> (x86_64-pc-linux-gnu, GTK+ Version 2.18.0).
>
> The backtrace is:
>
> Debugger entered--Lisp error: (error "Unmatched block [bug in
> org-babel-exp-src-blocks'].")
>   signal(error ("Unmatched block [bug in `org-babel-exp-src-blocks']."))
>   error("Unmatched block [bug in `org-babel-exp-src-blocks'].")
>   (or (and (re-search-backward org-babel-src-block-regexp ... t) (setq
> progress-marker ...) (org-babel-exp-do-export ... ...))
> (save-excursion (forward-line 0) (and ... ... ...)) (and
> (re-search-backward org-block-regexp ... t) (setq progress-marker ...)
> (match-string 0)) (error "Unmatched block [bug in
> org-babel-exp-src-blocks']."))
>   (progn (fset (quote cond-progress-marker) (function* ...)) (or (and
> ... ... ...) (save-excursion ... ...) (and ... ... ...) (error
> "Unmatched block [bug in `org-babel-exp-src-blocks'].")))
>   (unwind-protect (progn (fset ... ...) (or ... ... ... ...)) (if
> --cl-letf-bound-- (fset ... --cl-letf-save--) (fmakunbound ...)))
>   (let* ((--cl-letf-bound-- ...) (--cl-letf-save-- ...))
> (unwind-protect (progn ... ...) (if --cl-letf-bound-- ... ...)))
>   (letf ((... ...)) (or (and ... ... ...) (save-excursion ... ...)
> (and ... ... ...) (error "Unmatched block [bug in
> org-babel-exp-src-blocks'].")))
>   (letf* ((... ...)) (or (and ... ... ...) (save-excursion ... ...)
> (and ... ... ...) (error "Unmatched block [bug in
> org-babel-exp-src-blocks'].")))
>   (flet ((cond-progress-marker nil ...)) (or (and ... ... ...)
> (save-excursion ... ...) (and ... ... ...) (error "Unmatched block
> [bug in `org-babel-exp-src-blocks'].")))
>   org-babel-exp-src-blocks(#("127.0.0.1 mail.wilkesley.org
> localhost\n\n# The following lines are desirable for IPv6 capable
> hosts\n::1 ip6-localhost ip6-loopback\nfe00::0 ip6-localnet\nff00::0
> ip6-mcastprefix\nff02::1 ip6-allnodes\nff02::2 ip6-allrouters\nff02::3
> ip6-allhosts\n" 0 240 (fontified nil)) #("emacs-shell" 0 11 (fontified
> nil)))
>   apply(org-babel-exp-src-blocks #("127.0.0.1 mail.wilkesley.org
> localhost\n\n# The following lines are desirable for IPv6 capable
> hosts\n::1 ip6-localhost ip6-loopback\nfe00::0 ip6-localnet\nff00::0
> ip6-mcastprefix\nff02::1 ip6-allnodes\nff02::2 ip6-allrouters\nff02::3
> ip6-allhosts\n" 0 240 (fontified nil)) #("emacs-shell" 0 11 (fontified
> nil)))
>
> byte-code("\306\307\211\211\211\211\211\211\211\211....#.$.%.&\310\311!\211.'\205#
>
>
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