master baf195d1eb9: ; Fix extra whitespace in 'report-emacs-bug'

branch: master
commit baf195d1eb9222154fa7e156a4f7917d58377838
Author: Eli Zaretskii <[email protected]>
Commit: Eli Zaretskii <[email protected]>

    ; Fix extra whitespace in 'report-emacs-bug'
    
    * lisp/mail/emacsbug.el (report-emacs-bug--os-description):
    Account for 'os' being nil.  (Bug#81437)
---
 lisp/mail/emacsbug.el | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lisp/mail/emacsbug.el b/lisp/mail/emacsbug.el
index d69fd106e5c..e43e982c04b 100644
--- a/lisp/mail/emacsbug.el
+++ b/lisp/mail/emacsbug.el
@@ -127,7 +127,9 @@ This requires either the macOS \"open\" command, or the freedesktop
                  (goto-char (point-min))
                  (if (re-search-forward (format "^%s\\s-*:\\s-+\\(.*\\)$" s)
                                         nil t)
-                     (setq os (concat os " " (match-string 1)))))))
+                     (setq os (concat os
+                                      (if os " ")
+                                      (match-string 1)))))))
            os))
         ((eq system-type 'windows-nt)
          (or report-emacs-bug--os-description