Tweak where global-display-fill-column-indicator-modes is on

* lisp/display-fill-column-indicator.el
(global-display-fill-column-indicator-mode): Don't switch on in
special-mode buffers (bug#44232).

diff --git a/etc/NEWS b/etc/NEWS
index d2d4a044007078a28432a365a2296fad514aa2b7..e681ce3a8544ea899289096c2d89e3b1ef569fa7 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -1185,6 +1185,11 @@ list.
 
 ** Miscellaneous
 
+---
+*** 'global-display-fill-column-indicator-mode' isn't on in all buffers.
+It's not off in special-mode buffers, as specified by the new user
+option 'global-display-fill-column-indicator-modes'.
+
 ---
 *** New user option 'compilation-search-all-directories'.
 When doing parallel builds, directories and compilation errors may

diff --git a/lisp/display-fill-column-indicator.el b/lisp/display-fill-column-indicator.el
index e1395f000bfeba5fbcc4f8cc6597a5901672b956..3ba419156e8b5f17c60815986397dbd18ecfe1bc 100644 (file)
--- a/lisp/display-fill-column-indicator.el
+++ b/lisp/display-fill-column-indicator.el
@@ -74,7 +74,8 @@ See Info node `Displaying Boundaries' for details."
 
 ;;;###autoload
 (define-globalized-minor-mode global-display-fill-column-indicator-mode
-  display-fill-column-indicator-mode display-fill-column-indicator--turn-on)
+  display-fill-column-indicator-mode display-fill-column-indicator--turn-on
+  :predicate '((not special-mode) t))
 
 (provide 'display-fill-column-indicator)