project-kill-buffer-conditions: Skip Gnus modes as well

* lisp/progmodes/project.el (project-kill-buffer-conditions):
Skip Gnus modes as well (bug#58839).

diff --git a/lisp/progmodes/project.el b/lisp/progmodes/project.el
index 9f386e7c9254d741f442276f58194b4aedc8c3e6..ec453baf724314d3225bf0aed92984f7bcf7bdde 100644 (file)
--- a/lisp/progmodes/project.el
+++ b/lisp/progmodes/project.el
@@ -1228,7 +1228,8 @@ displayed."
      (not "\\` "))
     ;; non-text buffer such as xref, occur, vc, log, ...
     (and (derived-mode . special-mode)
-         (not (major-mode . help-mode)))
+         (not (major-mode . help-mode))
+         (not (derived-mode . gnus-mode)))
     (derived-mode . compilation-mode)
     (derived-mode . dired-mode)
     (derived-mode . diff-mode)