master bde9318: Tweak previous mailcap patch (for external viewers)

[Lars Ingebrigtsen]

branch: master
commit bde93182bf07251f66d571d9667a6c21b6af1930
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Tweak previous mailcap patch (for external viewers)
    
    * lisp/net/mailcap.el (mailcap-view-mime): Delete contents of the
    buffer in the external case, too.
---
 lisp/net/mailcap.el | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lisp/net/mailcap.el b/lisp/net/mailcap.el
index e84fe5f..94cd9e2 100644
--- a/lisp/net/mailcap.el
+++ b/lisp/net/mailcap.el
@@ -1138,6 +1138,7 @@ For instance, \"foo.png\" will result in \"image/png\"."
           (unwind-protect
               (let ((coding-system-for-write 'binary))
                 (write-region (point-min) (point-max) file nil 'silent)
+                (delete-region (point-min) (point-max))
                 (shell-command (format method file)))
             (when (file-exists-p file)
               (delete-file file))))