bug#64117: 28.2; "gnus-request-set-mark: Buffer is read-only" when exiting agentized, unplugged summary buffer

[Andrew Cohen]

>>>>> "EZ" == Eli Zaretskii <eliz@gnu.org> writes:

[...]

    EZ> Please show the patch, it is hard to decide without a good idea
    EZ> what is about to change.

Oops, sorry. Here it is (the change just wraps the bulk of a function
with (with-temp-buffer ...))


@@ -118,17 +118,18 @@ nnagent-request-post
   (gnus-request-accept-article "nndraft:queue" nil t t))
 
 (deffoo nnagent-request-set-mark (group action server)
-  (insert "(gnus-agent-synchronize-group-flags \""
-         group
-         "\" '")
-  (gnus-pp action)
-  (insert " \""
-         (gnus-method-to-server gnus-command-method)
-         "\"")
-  (insert ")\n")
-  (let ((coding-system-for-write nnheader-file-coding-system))
-    (write-region (point-min) (point-max) (gnus-agent-lib-file "flags")
-                 t 'silent))
+  (with-temp-buffer
+    (insert "(gnus-agent-synchronize-group-flags \""
+           group
+           "\" '")
+    (gnus-pp action)
+    (insert " \""
+           (gnus-method-to-server gnus-command-method)
+           "\"")
+    (insert ")\n")
+    (let ((coding-system-for-write nnheader-file-coding-system))
+      (write-region (point-min) (point-max) (gnus-agent-lib-file "flags")
+                   t 'silent)))
   ;; Also set the marks for the original back end that keeps marks in
   ;; the local system.
   (let ((gnus-agent nil))

-- 
Andrew Cohen