Various minor variable/hook cleanups.

* lisp/emacs-lisp/edebug.el (edebug-inhibit-emacs-lisp-mode-bindings):
Rename from gud-inhibit-global-bindings.

* lisp/emacs-lisp/eieio.el (eieio-pre-method-execution-hooks): Doc fix.

* lisp/erc/erc-dcc.el (erc-dcc-chat-filter-functions): Rename from
erc-dcc-chat-filter-hook, since this is an abnormal hook.

* lisp/nxml/nxml-glyph.el (nxml-glyph-set-functions): Rename abnormal
hook from nxml-glyph-set-hook.

* lisp/progmodes/cwarn.el (cwarn-mode): Remove redundant variable
declaration.

* lisp/progmodes/pascal.el (pascal-toggle-completions): Doc fix.

* lisp/textmodes/bibtex.el (bibtex-string-file-path, bibtex-file-path):
Convert to defcustom.

* lisp/url/url-handlers.el (url-handler-regexp):
* lisp/url/url-nfs.el (url-nfs-automounter-directory-spec):
* lisp/url/url-vars.el (url-load-hook): Convert to defcustom.

2 files changed, 4 insertions, 10 deletions

diff --git a/lisp/progmodes/cwarn.el b/lisp/progmodes/cwarn.el
index 3e99f3c9176..09c7e908806 100644
--- a/lisp/progmodes/cwarn.el
+++ b/lisp/progmodes/cwarn.el
@@ -119,12 +119,6 @@
   :version "21.1"
   :group 'faces)
 
-(defvar cwarn-mode nil
-  "Non-nil when Cwarn mode is active.
-
-Never set this variable directly, use the command `cwarn-mode'
-instead.")
-
 (defcustom cwarn-configuration
   '((c-mode (not reference))
     (c++-mode t))
diff --git a/lisp/progmodes/pascal.el b/lisp/progmodes/pascal.el
index 62ba9418ced..ce37fc2c571 100644
--- a/lisp/progmodes/pascal.el
+++ b/lisp/progmodes/pascal.el
@@ -232,10 +232,10 @@ will do all lineups."
   :group 'pascal)
 
 (defvar pascal-toggle-completions nil
-  "Non-nil meant \\<pascal-mode-map>\\[pascal-complete-word] would try all possible completions one by one.
-Repeated use of \\[pascal-complete-word] would show you all of them.
-Normally, when there is more than one possible completion,
-it displays a list of all possible completions.")
+  "If non-nil, `pascal-complete-word' tries all possible completions.
+Repeated use of \\[pascal-complete-word] then shows all
+completions in turn, instead of displaying a list of all possible
+completions.")
 (make-obsolete-variable 'pascal-toggle-completions
                         'completion-cycle-threshold "24.1")