CC Mode: truncate the semi-nonlit cache when applying syntax-table to a quote

[gnu-emacs] / lisp / apropos.el

diff --git a/lisp/apropos.el b/lisp/apropos.el
index 77c5023b0baff9ad6258a230fc3607062b92ae7c..7c9ec12c2e0bb7601a8f9f5bd9ebaa074f8e118b 100644 (file)
--- a/lisp/apropos.el
+++ b/lisp/apropos.el
@@ -1,6 +1,6 @@
 ;;; apropos.el --- apropos commands for users and programmers
 
-;; Copyright (C) 1989, 1994-1995, 2001-2015 Free Software Foundation,
+;; Copyright (C) 1989, 1994-1995, 2001-2016 Free Software Foundation,
 ;; Inc.
 
 ;; Author: Joe Wells <jbw@bigbird.bu.edu>
@@ -505,8 +505,9 @@ variables, not just user options."
 ;;;###autoload
 (defun apropos-variable (pattern &optional do-not-all)
   "Show variables that match PATTERN.
-When DO-NOT-ALL is non-nil, show user options only, i.e. behave
-like `apropos-user-option'."
+With the optional argument DO-NOT-ALL non-nil (or when called
+interactively with the prefix \\[universal-argument]), show user
+options only, i.e. behave like `apropos-user-option'."
   (interactive (list (apropos-read-pattern
                      (if current-prefix-arg "user option" "variable"))
                      current-prefix-arg))
@@ -676,6 +677,10 @@ the output includes key-bindings of commands."
        ;; (autoload (push (cdr x) autoloads))
        (`require (push (cdr x) requires))
        (`provide (push (cdr x) provides))
+        (`t nil) ; Skip "was an autoload" entries.
+        ;; FIXME: Print information about each individual method: both
+        ;; its docstring and specializers (bug#21422).
+        (`cl-defmethod (push (cadr x) provides))
        (_ (push (or (cdr-safe x) x) symbols))))
     (let ((apropos-pattern "")) ;Dummy binding for apropos-symbols-internal.
       (apropos-symbols-internal
@@ -862,19 +867,23 @@ Returns list of symbols and documentation found."
              symbol)))))
 
 (defun apropos-documentation-internal (doc)
-  (if (consp doc)
-      (apropos-documentation-check-elc-file (car doc))
-    (if (and doc
-            (string-match apropos-all-words-regexp doc)
-            (apropos-true-hit-doc doc))
-       (when apropos-match-face
-         (setq doc (substitute-command-keys (copy-sequence doc)))
-         (if (or (string-match apropos-pattern-quoted doc)
-                 (string-match apropos-all-words-regexp doc))
-             (put-text-property (match-beginning 0)
-                                (match-end 0)
-                                'face apropos-match-face doc))
-         doc))))
+  (cond
+   ((consp doc)
+    (apropos-documentation-check-elc-file (car doc)))
+   ((and doc
+         ;; Sanity check in case bad data sneaked into the
+         ;; documentation slot.
+         (stringp doc)
+         (string-match apropos-all-words-regexp doc)
+         (apropos-true-hit-doc doc))
+    (when apropos-match-face
+      (setq doc (substitute-command-keys (copy-sequence doc)))
+      (if (or (string-match apropos-pattern-quoted doc)
+              (string-match apropos-all-words-regexp doc))
+          (put-text-property (match-beginning 0)
+                             (match-end 0)
+                             'face apropos-match-face doc))
+      doc))))
 
 (defun apropos-format-plist (pl sep &optional compare)
   (setq pl (symbol-plist pl))
@@ -1035,9 +1044,12 @@ Each element should have the format
 The return value is the list that was in `apropos-accumulator', sorted
 alphabetically by symbol name; but this function also sets
 `apropos-accumulator' to nil before returning.
-
-If SPACING is non-nil, it should be a string; separate items with that string.
-If non-nil, TEXT is a string that will be printed as a heading."
+If DO-KEYS is non-nil, output the key bindings.  If NOSUBST is
+nil, substitute \"ASCII quotes\" (i.e., grace accent and
+apostrophe) with curly quotes), and if non-nil, leave them alone.
+If SPACING is non-nil, it should be a string; separate items with
+that string.  If non-nil, TEXT is a string that will be printed
+as a heading."
   (if (null apropos-accumulator)
       (message "No apropos matches for `%s'" apropos-pattern)
     (setq apropos-accumulator