(describe-function-1): Don't burp is the function is not a symbol.

lisp/ChangeLog

+2009-10-05  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+	* help-fns.el (describe-function-1): Don't burp is the function is not
+	a symbol.
+
 2009-10-05  Juanma Barranquero  <lekktu@gmail.com>
 
 	* emacs-lisp/chart.el (chart-face-pixmap-list, chart-new-buffer, chart)
@@ -54,8 +59,8 @@
 2009-10-05  Dan Nicolaescu  <dann@ics.uci.edu>
 
 	* vc-hg.el (log-view-vc-backend): Declare for compiler.
-	(vc-hg-outgoing-mode, vc-hg-incoming-mode): Set
-	log-view-vc-backend so that diff can work.
+	(vc-hg-outgoing-mode, vc-hg-incoming-mode):
+	Set log-view-vc-backend so that diff can work.
 
 	* log-view.el (log-view-diff): Use vc-diff-internal instead of
 	vc-version-diff.
@@ -74,8 +79,8 @@
 	(copy-directory): Use it.  Remove parameter PRESERVE-UID-GID.
 
 	* net/tramp.el (tramp-verbose): Fix docstring.
-	(tramp-methods): Add recursive option to `tramp-copy-args'.  Add
-	`tramp-copy-recursive'.  Valid for "rcp", "scp", "scp1", "scp2",
+	(tramp-methods): Add recursive option to `tramp-copy-args'.
+	Add `tramp-copy-recursive'.  Valid for "rcp", "scp", "scp1", "scp2",
 	"scp1_old", "scp2_old", "rsync", "rsyncc".
 	(tramp-default-method): Check also for `auth-source-user-or-password'.
 	(tramp-file-name-handler-alist, tramp-file-name-for-operation):

lisp/help-fns.el

@@ -457,7 +457,9 @@ suitable file is found, return nil."
 	      (terpri)))))
       ;; Note that list* etc do not get this property until
       ;; cl-hack-byte-compiler runs, after bytecomp is loaded.
-      (when (eq (get function 'byte-compile) 'cl-byte-compile-compiler-macro)
+      (when (and (symbolp function)
+                 (eq (get function 'byte-compile)
+                     'cl-byte-compile-compiler-macro))
 	(princ "This function has a compiler macro")
 	(let ((lib (get function 'compiler-macro-file)))
 	  (when (stringp lib)