Decorator face doesn't match @foo.bar

[davidmiller]

When I define a function with a decorator like so:

@foo.bar
def baz():
    pass

the .bar part of the decorator is not matched by the regexp for py-decorators-face.

The following patch fixes this:

=== modified file 'python-mode.el'
--- python-mode.el 2011-03-15 21:31:20 +0000
+++ python-mode.el 2011-03-28 14:56:13 +0000
@@ -636,7 +636,7 @@
         )
     (list
      ;; decorators
- '("^[ \t]*\\(@[a-zA-Z_][a-zA-Z_0-9]+\\)\\((.+)\\)?" 1 'py-decorators-face)
+ '("^[ \t]*\\(@[a-zA-Z_][a-zA-Z_0-9.]+\\)\\((.+)\\)?" 1 'py-decorators-face)
      ;; keywords
      (cons (concat "\\<\\(" kw1 "\\)\\>[ \n\t(]") 1)
      ;; builtins when they don't appear as object attributes