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.

14 files changed, 114 insertions, 63 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 0618a7a14b1..e452e96fceb 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,21 @@
+2012-06-12  Chong Yidong  <cyd@gnu.org>
+
+        * emacs-lisp/edebug.el (edebug-inhibit-emacs-lisp-mode-bindings):
+        Rename from gud-inhibit-global-bindings.
+
+        * emacs-lisp/eieio.el (eieio-pre-method-execution-hooks): Doc fix.
+
+        * nxml/nxml-glyph.el (nxml-glyph-set-functions): Rename abnormal
+        hook from nxml-glyph-set-hook.
+
+        * progmodes/cwarn.el (cwarn-mode): Remove redundant variable
+        declaration.
+
+        * progmodes/pascal.el (pascal-toggle-completions): Doc fix.
+
+        * textmodes/bibtex.el (bibtex-string-file-path, bibtex-file-path):
+        Convert to defcustom.
+
 2012-06-12  Drew Adams  <drew.adams@oracle.com>
 
         * help-mode.el (help-bookmark-make-record, help-bookmark-jump):
diff --git a/lisp/emacs-lisp/edebug.el b/lisp/emacs-lisp/edebug.el
index 8c6738ca6a9..28b768a14b3 100644
--- a/lisp/emacs-lisp/edebug.el
+++ b/lisp/emacs-lisp/edebug.el
@@ -3055,7 +3055,6 @@ Otherwise, toggle for all windows."
       (edebug-toggle-save-selected-window)
     (edebug-toggle-save-all-windows)))
 
-
 (defun edebug-where ()
   "Show the debug windows and where we stopped in the program."
   (interactive)
@@ -3735,12 +3734,16 @@ This prints the value into current buffer."
 
 ;;; Edebug Minor Mode
 
-;; FIXME eh?
-(defvar gud-inhibit-global-bindings
-  "Non-nil means don't do global rebindings of C-x C-a subcommands.")
+(defvar edebug-inhibit-emacs-lisp-mode-bindings nil
+  "If non-nil, inhibit Edebug bindings on the C-x C-a key.
+By default, loading the `edebug' library causes these bindings to
+be installed in `emacs-lisp-mode-map'.")
+
+(define-obsolete-variable-alias 'gud-inhibit-global-bindings
+  'edebug-inhibit-emacs-lisp-mode-bindings "24.2")
 
 ;; Global GUD bindings for all emacs-lisp-mode buffers.
-(unless gud-inhibit-global-bindings
+(unless edebug-inhibit-emacs-lisp-mode-bindings
   (define-key emacs-lisp-mode-map "\C-x\C-a\C-s" 'edebug-step-mode)
   (define-key emacs-lisp-mode-map "\C-x\C-a\C-n" 'edebug-next-mode)
   (define-key emacs-lisp-mode-map "\C-x\C-a\C-c" 'edebug-go-mode)
diff --git a/lisp/emacs-lisp/eieio.el b/lisp/emacs-lisp/eieio.el
index 768eba58ee1..1efb74e7139 100644
--- a/lisp/emacs-lisp/eieio.el
+++ b/lisp/emacs-lisp/eieio.el
@@ -2044,7 +2044,7 @@ During executions, the list is first generated, then as each next method
 is called, the next method is popped off the stack.")
 
 (defvar eieio-pre-method-execution-hooks nil
-  "Hooks run just before a method is executed.
+  "Abnormal hook run just before an EIEIO method is executed.
 The hook function must accept one argument, the list of forms
 about to be executed.")
 
diff --git a/lisp/erc/ChangeLog b/lisp/erc/ChangeLog
index d8cca31499d..fbc5baa6a79 100644
--- a/lisp/erc/ChangeLog
+++ b/lisp/erc/ChangeLog
@@ -1,3 +1,8 @@
+2012-06-12  Chong Yidong  <cyd@gnu.org>
+
+        * erc-dcc.el (erc-dcc-chat-filter-functions): Rename from
+        erc-dcc-chat-filter-hook, since this is an abnormal hook.
+
 2012-06-08  Chong Yidong  <cyd@gnu.org>
 
         * erc.el (erc-direct-msg-face, erc-header-line, erc-input-face)
diff --git a/lisp/erc/erc-dcc.el b/lisp/erc/erc-dcc.el
index d1ef1a99548..66256ee270e 100644
--- a/lisp/erc/erc-dcc.el
+++ b/lisp/erc/erc-dcc.el
@@ -627,7 +627,7 @@ separated by a space."
 
 ;;;###autoload
 (defvar erc-ctcp-query-DCC-hook '(erc-ctcp-query-DCC)
-  "Hook variable for CTCP DCC queries")
+  "Hook variable for CTCP DCC queries.")
 
 (defvar erc-dcc-query-handler-alist
   '(("SEND" . erc-dcc-handle-ctcp-send)
@@ -1099,8 +1099,13 @@ Possible values are: ask, auto, ignore."
   (pcomplete-here '("auto" "ask" "ignore")))
 (defalias 'pcomplete/erc-mode/SREQ 'pcomplete/erc-mode/CREQ)
 
-(defvar erc-dcc-chat-filter-hook '(erc-dcc-chat-parse-output)
-  "Hook to run after doing parsing (and possible insertion) of DCC messages.")
+(defvar erc-dcc-chat-filter-functions '(erc-dcc-chat-parse-output)
+  "Abnormal hook run after parsing (and maybe inserting) a DCC message.
+Each function is called with two arguments: the ERC process and
+the unprocessed output.")
+
+(define-obsolete-variable-alias 'erc-dcc-chat-filter-hook
+  'erc-dcc-chat-filter-functions "24.2")
 
 (defvar erc-dcc-chat-mode-map
   (let ((map (make-sparse-keymap)))
@@ -1195,8 +1200,8 @@ other client."
           (set-buffer (process-buffer proc))
           (setq erc-dcc-unprocessed-output
                 (concat erc-dcc-unprocessed-output str))
-          (run-hook-with-args 'erc-dcc-chat-filter-hook proc
-                           erc-dcc-unprocessed-output))
+          (run-hook-with-args 'erc-dcc-chat-filter-functions
+                              proc erc-dcc-unprocessed-output))
       (set-buffer orig-buffer))))
 
 (defun erc-dcc-chat-parse-output (proc str)
diff --git a/lisp/nxml/nxml-glyph.el b/lisp/nxml/nxml-glyph.el
index 6e15e5d4ce0..86b14e66398 100644
--- a/lisp/nxml/nxml-glyph.el
+++ b/lisp/nxml/nxml-glyph.el
@@ -25,7 +25,7 @@
 ;; The entry point to this file is `nxml-glyph-display-string'.
 ;; The current implementation is heuristic due to a lack of
 ;; Emacs primitives necessary to implement it properly.  The user
-;; can tweak the heuristics using `nxml-glyph-set-hook'.
+;; can tweak the heuristics using `nxml-glyph-set-functions'.
 
 ;;; Code:
 
@@ -332,21 +332,26 @@ This repertoire is supported for the following fonts:
    (#xFB01 . #xFB02)]
   "Glyph set corresponding to Windows Glyph List 4.")
 
-(defvar nxml-glyph-set-hook nil
-  "Hook for determining the set of glyphs in a face.
-The hook will receive a single argument FACE.  If it can determine
-the set of glyphs representable by FACE, it must set the variable
-`nxml-glyph-set' and return non-nil.  Otherwise, it must return nil.
-The hook will be run until success.  The constants
-`nxml-ascii-glyph-set', `nxml-latin1-glyph-set',
+(defvar nxml-glyph-set-functions nil
+  "Abnormal hook for determining the set of glyphs in a face.
+Each function in this hook is called in turn, unless one of them
+returns non-nil.  Each function is called with a single argument
+FACE.  If it can determine the set of glyphs representable by
+FACE, it must set the variable `nxml-glyph-set' and return
+non-nil.  Otherwise, it must return nil.
+
+The constants `nxml-ascii-glyph-set', `nxml-latin1-glyph-set',
 `nxml-misc-fixed-1-glyph-set', `nxml-misc-fixed-2-glyph-set',
 `nxml-misc-fixed-3-glyph-set' and `nxml-wgl4-glyph-set' are
-predefined for use by `nxml-glyph-set-hook'.")
+predefined for use by `nxml-glyph-set-functions'.")
+
+(define-obsolete-variable-alias 'nxml-glyph-set-hook
+  'nxml-glyph-set-functions "24.2")
 
 (defvar nxml-glyph-set nil
-  "Used by `nxml-glyph-set-hook' to return set of glyphs in a FACE.
+  "Used by `nxml-glyph-set-functions' to return set of glyphs in a FACE.
 This should dynamically bound by any function that runs
-`nxml-glyph-set-hook'.  The value must be either nil representing an
+`nxml-glyph-set-functions'.  The value must be either nil representing an
 empty set or a vector. Each member of the vector is either a single
 integer or a cons (FIRST . LAST) representing the range of integers
 from FIRST to LAST.  An integer represents a glyph with that Unicode
@@ -367,7 +372,7 @@ code-point.  The vector must be ordered.")
 (defun nxml-terminal-set-glyph-set (face)
   (setq nxml-glyph-set nxml-ascii-glyph-set))
 
-(add-hook 'nxml-glyph-set-hook
+(add-hook 'nxml-glyph-set-functions
           (or (cdr (assq window-system
                          '((x . nxml-x-set-glyph-set)
                            (w32 . nxml-w32-set-glyph-set)
@@ -381,7 +386,7 @@ code-point.  The vector must be ordered.")
 FACE gives the face that will be used for displaying the string.
 Return nil if the face cannot display a glyph for N."
   (let ((nxml-glyph-set nil))
-    (run-hook-with-args-until-success 'nxml-glyph-set-hook face)
+    (run-hook-with-args-until-success 'nxml-glyph-set-functions face)
     (and nxml-glyph-set
          (nxml-glyph-set-contains-p n nxml-glyph-set)
          (let ((ch (decode-char 'ucs n)))
diff --git a/lisp/nxml/nxml-mode.el b/lisp/nxml/nxml-mode.el
index 5adafc3845c..934dabee90d 100644
--- a/lisp/nxml/nxml-mode.el
+++ b/lisp/nxml/nxml-mode.el
@@ -54,9 +54,9 @@
 
 (defcustom nxml-char-ref-display-glyph-flag t
   "Non-nil means display glyph following character reference.
-The glyph is displayed in face `nxml-glyph'.  The hook
-`nxml-glyph-set-hook' can be used to customize for which characters
-glyphs are displayed."
+The glyph is displayed in face `nxml-glyph'.  The abnormal hook
+`nxml-glyph-set-functions' can be used to change the characters
+for which glyphs are displayed."
   :group 'nxml
   :type 'boolean)
 
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")
 
diff --git a/lisp/textmodes/bibtex.el b/lisp/textmodes/bibtex.el
index 87a32ad47a9..31656918fad 100644
--- a/lisp/textmodes/bibtex.el
+++ b/lisp/textmodes/bibtex.el
@@ -916,8 +916,10 @@ to the directories specified in `bibtex-string-file-path'."
   :group 'bibtex
   :type '(repeat file))
 
-(defvar bibtex-string-file-path (getenv "BIBINPUTS")
-  "Colon separated list of paths to search for `bibtex-string-files'.")
+(defcustom bibtex-string-file-path (getenv "BIBINPUTS")
+  "Colon-separated list of paths to search for `bibtex-string-files'."
+  :group 'bibtex
+  :type 'string)
 
 (defcustom bibtex-files nil
   "List of BibTeX files that are searched for entry keys.
@@ -930,8 +932,10 @@ See also `bibtex-search-entry-globally'."
   :type '(repeat (choice (const :tag "bibtex-file-path" bibtex-file-path)
                          directory file)))
 
-(defvar bibtex-file-path (getenv "BIBINPUTS")
-  "Colon separated list of paths to search for `bibtex-files'.")
+(defcustom bibtex-file-path (getenv "BIBINPUTS")
+  "Colon separated list of paths to search for `bibtex-files'."
+  :group 'bibtex
+  :type 'string)
 
 (defcustom bibtex-search-entry-globally nil
   "If non-nil, interactive calls of `bibtex-search-entry' search globally.
diff --git a/lisp/url/ChangeLog b/lisp/url/ChangeLog
index 40295f6e1d8..32015db8405 100644
--- a/lisp/url/ChangeLog
+++ b/lisp/url/ChangeLog
@@ -1,3 +1,9 @@
+2012-06-12  Chong Yidong  <cyd@gnu.org>
+
+        * url-handlers.el (url-handler-regexp):
+        * url-nfs.el (url-nfs-automounter-directory-spec):
+        * url-vars.el (url-load-hook): Convert to defcustom.
+
 2012-05-25  Leo Liu  <sdl.web@gmail.com>
 
         * url-http.el (url-http-codes): Fix mal-formed defconst.
diff --git a/lisp/url/url-handlers.el b/lisp/url/url-handlers.el
index d00a1174cdf..dc412c2d16d 100644
--- a/lisp/url/url-handlers.el
+++ b/lisp/url/url-handlers.el
@@ -90,13 +90,24 @@
 ;; verify-visited-file-modtime
 ;; write-region
 
-(defvar url-handler-regexp
-  "\\`\\(https?\\|ftp\\|file\\|nfs\\)://"
-  "A regular expression for matching URLs handled by `file-name-handler-alist'.
-Some valid URL protocols just do not make sense to visit interactively
-\(about, data, info, irc, mailto, etc\).  This regular expression
-avoids conflicts with local files that look like URLs \(Gnus is
-particularly bad at this\).")
+;;;###autoload
+(defcustom url-handler-regexp "\\`\\(https?\\|ftp\\|file\\|nfs\\)://"
+  "Regular expression for URLs handled by `url-handler-mode'.
+When URL Handler mode is enabled, this regular expression is
+added to `file-name-handler-alist'.
+
+Some valid URL protocols just do not make sense to visit
+interactively \(about, data, info, irc, mailto, etc\).  This
+regular expression avoids conflicts with local files that look
+like URLs \(Gnus is particularly bad at this\)."
+  :group 'url
+  :type 'regexp
+  :set (lambda (symbol value)
+         (let ((enable url-handler-mode))
+           (url-handler-mode 0)
+           (set-default symbol value)
+           (if enable
+               (url-handler-mode)))))
 
 ;;;###autoload
 (define-minor-mode url-handler-mode
@@ -105,16 +116,13 @@ With a prefix argument ARG, enable URL Handler mode if ARG is
 positive, and disable it otherwise.  If called from Lisp, enable
 the mode if ARG is omitted or nil."
   :global t :group 'url
-  (if (not (boundp 'file-name-handler-alist))
-      ;; Can't be turned ON anyway.
-      (setq url-handler-mode nil)
-    ;; Remove old entry, if any.
-    (setq file-name-handler-alist
-          (delq (rassq 'url-file-handler file-name-handler-alist)
-                file-name-handler-alist))
-    (if url-handler-mode
-        (push (cons url-handler-regexp 'url-file-handler)
-              file-name-handler-alist))))
+  ;; Remove old entry, if any.
+  (setq file-name-handler-alist
+        (delq (rassq 'url-file-handler file-name-handler-alist)
+              file-name-handler-alist))
+  (if url-handler-mode
+      (push (cons url-handler-regexp 'url-file-handler)
+            file-name-handler-alist)))
 
 (defun url-run-real-handler (operation args)
   (let ((inhibit-file-name-handlers (cons 'url-file-handler
diff --git a/lisp/url/url-nfs.el b/lisp/url/url-nfs.el
index bfab147f267..cb5695b5549 100644
--- a/lisp/url/url-nfs.el
+++ b/lisp/url/url-nfs.el
@@ -27,8 +27,7 @@
 (require 'url-parse)
 (require 'url-file)
 
-(defvar url-nfs-automounter-directory-spec
-  "file:/net/%h%f"
+(defcustom url-nfs-automounter-directory-spec "file:/net/%h%f"
   "How to invoke the NFS automounter.  Certain % sequences are recognized.
 
 %h -- the hostname of the NFS server
@@ -38,7 +37,9 @@
 %f -- the filename on the remote server
 %% -- a literal %
 
-Each can be used any number of times.")
+Each can be used any number of times."
+  :group 'url
+  :type 'string)
 
 (defun url-nfs-unescape (format host port user pass file)
   (with-current-buffer (get-buffer-create " *nfs-parse*")
diff --git a/lisp/url/url-vars.el b/lisp/url/url-vars.el
index 6aa14b8bae1..11546e11583 100644
--- a/lisp/url/url-vars.el
+++ b/lisp/url/url-vars.el
@@ -375,8 +375,10 @@ Currently supported methods:
 (modify-syntax-entry ?> ")<" url-parse-syntax-table)
 (modify-syntax-entry ?/ " " url-parse-syntax-table)
 
-(defvar url-load-hook nil
-  "Hooks to be run after initializing the URL library.")
+(defcustom url-load-hook nil
+  "Hook run after initializing the URL library."
+  :group 'url
+  :type 'hook)
 
 ;;; Make OS/2 happy - yeeks
 ;; (defvar      tcp-binary-process-input-services nil