(gnus-summary-select-article-buffer): Mention gnus-widen-article-buffer.
[gnus] / lisp / gnus-sum.el
index 1086e28..7cd1993 100644 (file)
@@ -6942,7 +6942,9 @@ displayed, no centering will be performed."
 ;; Various summary commands
 
 (defun gnus-summary-select-article-buffer ()
-  "Reconfigure windows to show the article buffer."
+  "Reconfigure windows to show the article buffer.
+If `gnus-widen-article-buffer' is set, show only the article
+buffer."
   (interactive)
   (if (not (gnus-buffer-live-p gnus-article-buffer))
       (error "There is no article buffer for this summary buffer")
@@ -7584,7 +7586,8 @@ be displayed."
                       (null (get-buffer gnus-article-buffer))
                       (not (eq article (cdr gnus-article-current)))
                       (not (equal (car gnus-article-current)
-                                  gnus-newsgroup-name))))
+                                  gnus-newsgroup-name))
+                      (not (buffer-name gnus-original-article-buffer))))
              (and (not gnus-single-article-buffer)
                   (or (null gnus-current-article)
                       (not (eq gnus-current-article article))))
@@ -8824,31 +8827,40 @@ Return the number of articles fetched."
 
 (defun gnus-summary-refer-thread (&optional limit)
   "Fetch all articles in the current thread.
-If LIMIT (the numerical prefix), fetch that many old headers instead
-of what's specified by the `gnus-refer-thread-limit' variable."
+If no backend-specific 'request-thread function is available
+fetch LIMIT (the numerical prefix) old headers. If LIMIT is nil
+fetch what's specified by the `gnus-refer-thread-limit'
+variable."
   (interactive "P")
   (let ((id (mail-header-id (gnus-summary-article-header)))
+       (gnus-summary-ignore-duplicates t)
        (limit (if limit (prefix-numeric-value limit)
                 gnus-refer-thread-limit)))
-    (unless (eq gnus-fetch-old-headers 'invisible)
-      (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
-      ;; Retrieve the headers and read them in.
-      (if (eq (if (numberp limit)
-                 (gnus-retrieve-headers
-                  (list (min
-                         (+ (mail-header-number
-                             (gnus-summary-article-header))
-                            limit)
-                         gnus-newsgroup-end))
-                  gnus-newsgroup-name (* limit 2))
-               ;; gnus-refer-thread-limit is t, i.e. fetch _all_
-               ;; headers.
-               (gnus-retrieve-headers (list gnus-newsgroup-end)
-                                      gnus-newsgroup-name limit))
-             'nov)
-         (gnus-build-all-threads)
-       (error "Can't fetch thread from back ends that don't support NOV"))
-      (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
+    (if  (gnus-check-backend-function 'request-thread gnus-newsgroup-name)
+       (setq gnus-newsgroup-headers
+             (gnus-merge 'list
+                         gnus-newsgroup-headers
+                         (gnus-request-thread id)
+                         'gnus-article-sort-by-number))
+      (unless (eq gnus-fetch-old-headers 'invisible)
+       (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
+       ;;      Retrieve the headers and read them in.
+       (if (numberp limit)
+           (gnus-retrieve-headers
+            (list (min
+                   (+ (mail-header-number
+                       (gnus-summary-article-header))
+                      limit)
+                   gnus-newsgroup-end))
+            gnus-newsgroup-name (* limit 2))
+         ;; gnus-refer-thread-limit is t, i.e. fetch _all_
+         ;; headers.
+         (gnus-retrieve-headers (list gnus-newsgroup-end)
+                                gnus-newsgroup-name limit)
+         (gnus-message 5 "Fetching headers for %s...done"
+                       gnus-newsgroup-name))))
+    (when (eq gnus-headers-retrieved-by 'nov)
+      (gnus-build-all-threads))
     (gnus-summary-limit-include-thread id)))
 
 (defun gnus-summary-refer-article (message-id)
@@ -10248,7 +10260,7 @@ groups."
   "Make edits to the current article permanent."
   (interactive)
   (save-excursion
-   ;; The buffer restriction contains the entire article if it exists.
+    ;; The buffer restriction contains the entire article if it exists.
     (when (article-goto-body)
       (let ((lines (count-lines (point) (point-max)))
            (length (- (point-max) (point)))
@@ -10268,15 +10280,25 @@ groups."
          (delete-region (match-beginning 1) (match-end 1))
          (insert (number-to-string lines))))))
   ;; Replace the article.
-  (let ((buf (current-buffer)))
+  (let ((buf (current-buffer))
+       (article (cdr gnus-article-current))
+       replace-result)
     (with-temp-buffer
       (insert-buffer-substring buf)
-
       (if (and (not read-only)
-              (not (gnus-request-replace-article
-                    (cdr gnus-article-current) (car gnus-article-current)
-                    (current-buffer) t)))
+              (not (setq replace-result
+                         (gnus-request-replace-article
+                          article (car gnus-article-current)
+                          (current-buffer) t))))
          (error "Couldn't replace article")
+       ;; If we got a number back, then that's the new article number
+       ;; for this article.  Otherwise, the article number didn't change.
+       (when (numberp replace-result)
+         (with-current-buffer gnus-summary-buffer
+           (setq gnus-newsgroup-limit (delq article gnus-newsgroup-limit))
+           (gnus-summary-limit gnus-newsgroup-limit)
+           (setq article replace-result)
+           (gnus-summary-goto-subject article t)))
        ;; Update the summary buffer.
        (if (and references
                 (equal (message-tokenize-header references " ")
@@ -10290,38 +10312,29 @@ groups."
                             (point-min) (point-max)))
                      header)
                  (with-temp-buffer
-                   (insert (format "211 %d Article retrieved.\n"
-                                   (cdr gnus-article-current)))
+                   (insert (format "211 %d Article retrieved.\n" article))
                    (insert head)
                    (insert ".\n")
                    (let ((nntp-server-buffer (current-buffer)))
-                     (setq header (car (gnus-get-newsgroup-headers
-                                        nil t))))
+                     (setq header (car (gnus-get-newsgroup-headers nil t))))
                    (with-current-buffer gnus-summary-buffer
-                     (gnus-data-set-header
-                      (gnus-data-find (cdr gnus-article-current))
-                      header)
-                     (gnus-summary-update-article-line
-                      (cdr gnus-article-current) header)
-                     (if (gnus-summary-goto-subject
-                          (cdr gnus-article-current) nil t)
-                         (gnus-summary-update-secondary-mark
-                          (cdr gnus-article-current))))))))
+                     (gnus-data-set-header (gnus-data-find article) header)
+                     (gnus-summary-update-article-line article header)
+                     (if (gnus-summary-goto-subject article nil t)
+                         (gnus-summary-update-secondary-mark article)))))))
          ;; Update threads.
          (set-buffer (or buffer gnus-summary-buffer))
-         (gnus-summary-update-article (cdr gnus-article-current))
-         (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
-             (gnus-summary-update-secondary-mark
-              (cdr gnus-article-current))))
+         (gnus-summary-update-article article)
+         (if (gnus-summary-goto-subject article nil t)
+             (gnus-summary-update-secondary-mark article)))
        ;; Prettify the article buffer again.
        (unless no-highlight
          (with-current-buffer gnus-article-buffer
-           ;;;!!! Fix this -- article should be rehighlighted.
-           ;;;(gnus-run-hooks 'gnus-article-display-hook)
+           ;;!!! Fix this -- article should be rehighlighted.
+           ;;(gnus-run-hooks 'gnus-article-display-hook)
            (set-buffer gnus-original-article-buffer)
            (gnus-request-article
-            (cdr gnus-article-current)
-            (car gnus-article-current) (current-buffer))))
+            article (car gnus-article-current) (current-buffer))))
        ;; Prettify the summary buffer line.
        (when (gnus-visual-p 'summary-highlight 'highlight)
          (gnus-run-hooks 'gnus-visual-mark-article-hook))))))