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[Emacs-diffs] master ace8f2e: Make gnus-alter-articles-to-read-function
From: |
Eric Abrahamsen |
Subject: |
[Emacs-diffs] master ace8f2e: Make gnus-alter-articles-to-read-function a constant lambda |
Date: |
Thu, 28 Dec 2017 15:30:12 -0500 (EST) |
branch: master
commit ace8f2ed4d6ea49d179333f8e7455e5208417da7
Author: Eric Abrahamsen <address@hidden>
Commit: Eric Abrahamsen <address@hidden>
Make gnus-alter-articles-to-read-function a constant lambda
* lisp/gnus/gnus-sum.el (gnus-alter-articles-to-read-function):
Default to a no-op lambda form, mention the use of `add-function' in
the docstring.
* lisp/gnus/gnus-sum.el (gnus-articles-to-read): Check if the option
value is callable.
---
lisp/gnus/gnus-sum.el | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/lisp/gnus/gnus-sum.el b/lisp/gnus/gnus-sum.el
index 4dee306..c434505 100644
--- a/lisp/gnus/gnus-sum.el
+++ b/lisp/gnus/gnus-sum.el
@@ -1266,9 +1266,13 @@ For example: ((1 . cn-gb-2312) (2 . big5))."
:type 'boolean
:group 'gnus-summary-marks)
-(defcustom gnus-alter-articles-to-read-function nil
- "Function to be called to alter the list of articles to be selected."
- :type '(choice (const nil) function)
+(defcustom gnus-alter-articles-to-read-function
+ (lambda (_group article-list) article-list)
+ "Function to be called to alter the list of articles to be selected.
+This option defaults to a lambda form that simply returns the
+list of articles unchanged. Use `add-function' to set one or
+more custom filter functions."
+ :type 'function
:group 'gnus-summary)
(defcustom gnus-orphan-score nil
@@ -5914,7 +5918,7 @@ If SELECT-ARTICLES, only select those articles from
GROUP."
(setq articles (nthcdr (- number select) articles))))
(setq gnus-newsgroup-unselected
(gnus-sorted-difference gnus-newsgroup-unreads articles))
- (when gnus-alter-articles-to-read-function
+ (when (functionp gnus-alter-articles-to-read-function)
(setq articles
(sort
(funcall gnus-alter-articles-to-read-function
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