Fix next-file command in etags.el.

* lisp/progmodes/etags.el (next-file): Don't use set-buffer to change
buffers (Bug#8478).

* doc/lisp/maintaining.texi (List Tags): Document next-file.

2 files changed, 11 insertions, 0 deletions

diff --git a/doc/emacs/ChangeLog b/doc/emacs/ChangeLog
index 37825382788..92cd765b492 100644
--- a/doc/emacs/ChangeLog
+++ b/doc/emacs/ChangeLog
@@ -1,3 +1,8 @@
+2011-04-24  Chong Yidong  <cyd@stupidchicken.com>
+
+        * maintaining.texi (List Tags): Document next-file.  Suggested by
+        Uday S Reddy.
+
 2011-04-23  Juanma Barranquero  <lekktu@gmail.com>
 
         * mini.texi (Minibuffer Edit):
diff --git a/doc/emacs/maintaining.texi b/doc/emacs/maintaining.texi
index 8f395ba9563..dafc9327c74 100644
--- a/doc/emacs/maintaining.texi
+++ b/doc/emacs/maintaining.texi
@@ -2326,6 +2326,12 @@ details.
   You can also use the collection of tag names to complete a symbol
 name in the buffer.  @xref{Symbol Completion}.
 
+  You can use @kbd{M-x next-file} to visit the files in the selected
+tags table.  The first time this command is called, it visits the
+first file in the tags table.  Each subsequent call visits the next
+file in the table, unless a prefix argument is supplied, in which case
+it returns to the first file.
+
 @node EDE
 @section Emacs Development Environment
 @cindex EDE (Emacs Development Environment)