*** empty log message ***

etc/NEWS

@@ -5517,10 +5517,16 @@ of multiline constructs so that such constructs get properly recognized.
 ** Major mode mechanism changes:
 
 +++
-*** `set-auto-mode' now gives the interpreter magic line (if present)
-precedence over the file name.  Likewise an `<?xml' or `<!DOCTYPE'
-declaration will give the buffer XML or SGML mode, based on the new
-variable `magic-mode-alist'.
+*** New variable `magic-mode-alist' determines major mode for a file by
+looking the file contents.  It take precedence over `auto-mode-alist'.
+
++++
+*** An interpreter magic line (if present) takes precedence over the
+file name when setting the major mode.
+
++++
+*** XML or SGML major mode is selected when file starts with an `<?xml'
+or `<!DOCTYPE' declaration.
 
 +++
 *** Use the new function `run-mode-hooks' to run the major mode's mode hook.

lisp/ChangeLog

+2006-12-19  Kim F. Storm  <storm@cua.dk>
+
+	* files.el (magic-mode-alist): Allow matching file type by
+	calling a function at bob.  Check for image types by calling
+	image-type-from-buffer.  Suggested by Juanma Barranquero.
+	(set-auto-mode): Do it.
+
 2006-12-19  Michael Albinus  <michael.albinus@gmx.de>
 	* net/tramp.el (tramp-methods): Introduce new method `scpc'.

man/ChangeLog

+2006-12-19  Kim F. Storm  <storm@cua.dk>
+
+	* major.texi (Choosing Modes): Describe match-function elements for
+	magic-mode-alist.
+
 2006-12-19  Michael Albinus  <michael.albinus@gmx.de>
 
 	* tramp.texi (External transfer methods): Describe new method `scpc'.