Fix breaking read-only access to submodules when AUTO expanding.

	* verilog-mode.el (verilog-scan): Fix breaking read-only access to
	submodules when AUTO expanding, broke in r598.


git-svn-id: file:///verilog-mode-svn/trunk@604 db5bb42b-8904-0410-88e9-aa7026cf2ec3

Author: wsnyder

.cvsignore

@@ -6,6 +6,7 @@ e
 emacs-version.h
 gnu22
 gnuhead
+gnutrunk
 mmencoded_verilog-mode
 skip_for_xemacs
 verilog-mode-gnu-want.el

verilog-mode.el

@@ -2583,7 +2583,8 @@ either is ok to parse as a non-comment, or `verilog-insert' was used."
 	      (equal verilog-scan-cache-tick (buffer-modified-tick)))
     (setq verilog-scan-cache-tick (buffer-modified-tick))
     (save-excursion
-      (let ((was-mod (buffer-modified-p)))
+      (let ((was-mod (buffer-modified-p))
+	    (buffer-read-only nil))
 	(remove-text-properties (point-min) (point-max) '(v-cmt nil))
 	(verilog-scan-region (point-min) (point-max))
 	(unless was-mod (set-buffer-modified-p nil))))))