A correction: the error below is *not* ffap's fault: it happens too without
calling ffap-bindings.

jao

Jose Ortega <jaortega@gmail.com> writes:

> emacs -q
> M-x ffap-bindings
> C-xC-f .r TAB
>
> (or any other prefix while trying to complete a filename in the
> minibuffer) gives an error because completion-embedded-envvar-table is
> an 'undefined function'. Here's the backtrace:
>
> Debugger entered--Lisp error: (void-function completion-embedded-envvar-table)
>   completion-embedded-envvar-table(#("~/.r" 0 2 (auto-composed t) 2 3 (auto-composed t) 3 4 (auto-composed t)) "~/" nil)
>   try-completion(#("~/.r" 0 2 (auto-composed t) 2 3 (auto-composed t) 3 4 (auto-composed t)) completion-embedded-envvar-table "~/")
>   complete-with-action(nil completion-embedded-envvar-table #("~/.r" 0 2 (auto-composed t) 2 3 (auto-composed t) 3 4 (auto-composed t)) "~/")
>   #[(G88405 G88406 string pred action) "Å	J\n$†Å\fJ\n$‡" [action G88406 string pred G88405 complete-with-action] 5](--b-- --a-- #("~/.r" 0 2 (auto-composed t) 2 3 (auto-composed t) 3 4 (auto-composed t)) "~/" nil)
>   apply(#[(G88405 G88406 string pred action) "Å	J\n$†Å\fJ\n$‡" [action G88406 string pred G88405 complete-with-action] 5] --b-- --a-- (#("~/.r" 0 2 (auto-composed t) 2 3 (auto-composed t) 3 4 (auto-composed t)) "~/" nil))
>   read-file-name-internal(#("~/.r" 0 2 (auto-composed t) 2 3 (auto-composed t) 3 4 (auto-composed t)) "~/" nil)
>   ffap-read-file-or-url-internal(#("~/.r" 0 2 (auto-composed t) 2 3 (auto-composed t) 3 4 (auto-composed t)) "~/" nil)
>   try-completion(#("~/.r" 0 2 (auto-composed t) 2 3 (auto-composed t) 3 4 (auto-composed t)) ffap-read-file-or-url-internal "~/")
>   minibuffer--do-completion()
>   minibuffer-complete()
>   call-interactively(minibuffer-complete nil nil)
>   completing-read("Find file or URL: " ffap-read-file-or-url-internal "~/" nil ("~/" . 2) (file-name-history) nil)
>   ffap-read-file-or-url("Find file or URL: " nil)
>   byte-code("ƒ	Â\nÄ	†Å ‰‰ƒÆ ˆ\"‡" [ffap-url-regexp guess ffap-read-file-or-url "Find file or URL: " "Find file: " ffap-guesser ffap-highlight] 4)
>   ffap-prompter()
>   find-file-at-point()
>   call-interactively(find-file-at-point nil nil)
>
>
>
> In GNU Emacs 23.0.60.2 (i686-pc-linux-gnu)
>  of 2008-04-12 on rivendell
> configured using `configure  '--without-x' '--enable-maintaner-mode''
>
> Important settings:
>   value of $LC_ALL: nil
>   value of $LC_COLLATE: nil
>   value of $LC_CTYPE: nil
>   value of $LC_MESSAGES: nil
>   value of $LC_MONETARY: nil
>   value of $LC_NUMERIC: nil
>   value of $LC_TIME: nil
>   value of $LANG: en_US.UTF-8
>   value of $XMODIFIERS: nil
>   locale-coding-system: utf-8-unix
>   default-enable-multibyte-characters: t
>
> Major mode: Debugger
>
> Minor modes in effect:
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   global-auto-composition-mode: t
>   auto-composition-mode: t
>   auto-compression-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
>
> Recent input:
> ESC x f f a p TAB p TAB DEL DEL p - b TAB RET C-x C-f 
> . e TAB C-g ESC x t o o g DEL DEL g g l e - d e TAB 
> e r TAB RET C-x C-f . r TAB C-p C-@ C-n C-n C-n C-n 
> C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
> C-n ESC w C-g ESC x r e p o r TAB RET
>
> Recent messages:
> ("emacs" "-q")
> For information about GNU Emacs and the GNU system, type C-h C-a.
> try-completion: Symbol's function definition is void: completion-embedded-envvar-table
> Quit
> Debug on Error enabled globally
> Entering debugger...
> Quit
>
>
>

-- 
Sometimes I think we're alone in the universe, and sometimes I think we're
not. In either case, the idea is quite staggering.
 -Arthur C Clarke, writer (1917- )