Allow wttrin to be called with a city as an argument

This means it can be easily called from other code, with the city passed as
an argument.

1 files changed, 4 insertions, 4 deletions

diff --git a/wttrin.el b/wttrin.el
index c92ff1d..72c024c 100644
--- a/wttrin.el
+++ b/wttrin.el
@@ -66,10 +66,10 @@
         (setq buffer-read-only t)))))
 
 ;;;###autoload
-(defun wttrin ()
-  "Display weather information."
-  (interactive)
-  (wttrin-query (completing-read "City name: " wttrin-default-cities nil nil)))
+(defun wttrin (city)
+  "Display weather information for CITY."
+  (interactive (list (completing-read "City name: " wttrin-default-cities nil nil)))
+  (wttrin-query city))
 
 (provide 'wttrin)