New question #184201 on nXhtml:
https://answers.launchpad.net/nxhtml/+question/184201
(Since I am using emacs 21, I also installed nxml-mode, which appears to work
fine.)
In the README for nxhtml-mode, I am told:
====
To install nXhtml put this in your .emacs:
(load "YOUR-PATH-TO/nxhtml/autostart.el")
====
When I execute this line (C-xC-e), I get a backtrace buffer, included below.
What is it telling me, and what can I do about it? Never having used this mode
before, I don't know what it *should* do, but I presume this isn't it.
(it's about 33K, but I don't know which bits of it will be most helpful to a
knowledgeable person, so I included the whole bloody thing.)
====
Debugger entered--Lisp error: (void-variable magic-fallback-mode-alist)
symbol-value(magic-fallback-mode-alist)
(mapcar (lambda (rec) (setq orig-ordnum ...) (let ... ...)) (symbol-value
magic-mode-list-sym))
(sort (mapcar (lambda ... ... ...) (symbol-value magic-mode-list-sym))
(lambda (rec1 rec2) (let* ... ...)))
(mapcar (lambda (rec) (cadr rec)) (sort (mapcar ... ...) (lambda ... ...)))
(set magic-mode-list-sym (mapcar (lambda ... ...) (sort ... ...)))
(let ((orig-ordnum 0)) (set magic-mode-list-sym (mapcar ... ...)))
majmodpri-sort-magic-list(magic-fallback-mode-alist)
(progn (majmodpri-sort-magic-list (quote magic-fallback-mode-alist)))
(if (memq (quote magic-fallback-mode-alist) majmodpri-lists-to-sort) (progn
(majmodpri-sort-magic-list ...)))
(when (memq (quote magic-fallback-mode-alist) majmodpri-lists-to-sort)
(majmodpri-sort-magic-list (quote magic-fallback-mode-alist)))
majmodpri-sort-lists()
majmodpri-apply-priorities(t)
(progn (majmodpri-apply-priorities t))
(if sort-and-apply (progn (majmodpri-apply-priorities t)))
(when sort-and-apply (majmodpri-apply-priorities t))
(let ((sort-and-apply nil)) (if (not ...) (add-to-list ... ...) (dolist ...
...)) (when sort-and-apply (majmodpri-apply-priorities t)) (if (eq val t)
(majmodpri-start-idle-sort) (majmodpri-apply-priorities t)))
(progn (let (...) (if ... ... ...) (when sort-and-apply ...) (if ... ...
...)))
(if val (progn (let ... ... ... ...)))
(when val (let (...) (if ... ... ...) (when sort-and-apply ...) (if ... ...
...)))
(lambda (sym val) (set-default sym val) (setq after-load-alist (delq nil
...)) (when val (let ... ... ... ...)))(majmodpri-sort-after-load (chart gpl
php-mode rnc-mode ruby-mode))
custom-initialize-reset(majmodpri-sort-after-load (quote (chart gpl php-mode
rnc-mode ruby-mode)))
custom-declare-variable(majmodpri-sort-after-load (quote (chart gpl php-mode
rnc-mode ruby-mode)) "Sort major mode lists after loading elisp libraries if
non-nil.\nThis should not really be needed since just loading a library\nshould
not change how Emacs behaves. There are however quite a\nfew thirt party
libraries that does change `auto-mode-alist'\n(including some of my own) since
that sometimes seems\nreasonable. Some of them are in the default value of
this\nvariable.\n\nThere are two possibilities for sorting here:\n\n-
Value=list of features (default). Sort immediately after loading a\n library
in the list. Apply to current buffer.\n\n- Value=t. Sort after loading any
library. Sorting is then not\n done immediately. Instead it runs in an idle
timer. This\n means that if several elisp libraries are loaded in a command\n
then the sorting will only be done once, after the command has\n finished.
After sorting apply to all buffers.\n\nNote that the default does break Emacs
rule that loading a\nlibrary should not change how Emacs behave. On the other
hand\nthe default tries to compensate for that the loaded libraries\nbreaks
this rule by changing `auto-mode-alist'.\n\nSee `majmodpri-sort-lists' for more
information." :type (choice (const :tag "Never" nil) (const :tag "After loading
any elisp library" t) (repeat :tag "After loading specified features" symbol))
:set (lambda (sym val) (set-default sym val) (setq after-load-alist (delq nil
...)) (when val (let ... ... ... ...))) :group majmodpri)
(defcustom majmodpri-sort-after-load (quote (chart gpl php-mode rnc-mode
ruby-mode)) "Sort major mode lists after loading elisp libraries if
non-nil.\nThis should not really be needed since just loading a library\nshould
not change how Emacs behaves. There are however quite a\nfew thirt party
libraries that does change `auto-mode-alist'\n(including some of my own) since
that sometimes seems\nreasonable. Some of them are in the default value of
this\nvariable.\n\nThere are two possibilities for sorting here:\n\n-
Value=list of features (default). Sort immediately after loading a\n library
in the list. Apply to current buffer.\n\n- Value=t. Sort after loading any
library. Sorting is then not\n done immediately. Instead it runs in an idle
timer. This\n means that if several elisp libraries are loaded in a command\n
then the sorting will only be done once, after the command has\n finished.
After sorting apply to all buffers.\n\nNote that the default does break Emacs
rule that loading a\nlibrary should not change how Emacs behave. On the other
hand\nthe default tries to compensate for that the loaded libraries\nbreaks
this rule by changing `auto-mode-alist'.\n\nSee `majmodpri-sort-lists' for more
information." :type (quote (choice ... ... ...)) :set (lambda (sym val)
(set-default sym val) (setq after-load-alist ...) (when val ...)) :group (quote
majmodpri))
eval-buffer(#<buffer *load*<3>> nil
"/Users/jmc/.elisp/nxhtml/util/majmodpri.el" nil t) ; Reading at buffer
position 15911
load-with-code-conversion("/Users/jmc/.elisp/nxhtml/util/majmodpri.el"
"/Users/jmc/.elisp/nxhtml/util/majmodpri.el" t t)
require(majmodpri nil t)
(progn (require (quote majmodpri) nil t))
(eval-when-compile (require (quote majmodpri) nil t))
eval-buffer(#<buffer *load*<2>> nil
"/Users/jmc/.elisp/nxhtml/nxhtml/nxhtml-autoload.el" nil t) ; Reading at
buffer position 1578
load-with-code-conversion("/Users/jmc/.elisp/nxhtml/nxhtml/nxhtml-autoload.el"
"/Users/jmc/.elisp/nxhtml/nxhtml/nxhtml-autoload.el" nil nil)
load("/Users/jmc/.elisp/nxhtml/nxhtml/nxhtml-autoload")
(if (featurep (quote nxhtml-autoload)) nil (load (expand-file-name
"nxhtml/nxhtml-autoload" nxhtml-install-dir)))
(unless (featurep (quote nxhtml-autoload)) (load (expand-file-name
"nxhtml/nxhtml-autoload" nxhtml-install-dir)))
(let* ((util-dir ...) (related-dir ...) (nxhtml-dir ...) (tests-dir ...))
(add-to-list (quote load-path) nxhtml-dir) (add-to-list (quote load-path)
related-dir) (add-to-list (quote load-path) util-dir) (add-to-list (quote
load-path) nxhtml-install-dir) (add-to-list (quote load-path) tests-dir)
(nxhtml-autostart-trace "... nXhtml loading %.1f seconds elapsed ..." (- ...
nxhtml-load-time-start)) (unless (featurep ...) (load ... ...)) (when
nxhtml-autoload-web (ad-activate ... t)) (unless (featurep ...) (load ...
nxhtml-autoload-web)) (nxhtml-autostart-trace "... nXhtml loading %.1f seconds
elapsed ..." (- ... nxhtml-load-time-start)) (nxhtml-autostart-trace "Turn on
`nxhtml-menu-mode' unconditionally") (nxhtml-menu-mode 1)
(nxhtml-autostart-trace "... nXhtml loading %.1f seconds elapsed ..." (- ...
nxhtml-load-time-start)) (when (fboundp ...) (rncpp-patch-xhtml-loader))
(nxhtml-autostart-trace "... nXhtml loading %.1f seconds elapsed ..." (- ...
nxhtml-load-time-start)) (unless (featurep ...) (load ...)))
eval-buffer(#<buffer *load*> nil "/Users/jmc/.elisp/nxhtml/autostart.el" nil
t) ; Reading at buffer position 6919
load-with-code-conversion("/Users/jmc/.elisp/nxhtml/autostart.el"
"/Users/jmc/.elisp/nxhtml/autostart.el" nil nil)
load("~/.elisp/nxhtml/autostart.el")
eval((load "~/.elisp/nxhtml/autostart.el"))
eval-last-sexp-1(nil)
eval-last-sexp(nil)
call-interactively(eval-last-sexp)
recursive-edit()
byte-code("Æ @Ç=!
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