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-rw-r--r--lispref/customize.texi12
1 files changed, 10 insertions, 2 deletions
diff --git a/lispref/customize.texi b/lispref/customize.texi
index 1bf54f4f210..1170a909118 100644
--- a/lispref/customize.texi
+++ b/lispref/customize.texi
@@ -34,8 +34,16 @@ display one name.
@table @code
@item :tag @var{label}
-Use @var{label}, a string, instead of the item's name, to label the item
-in customization menus and buffers.
+Use @var{label}, a string, instead of the item's name, to label the
+item in customization menus and buffers. @strong{Don't use a tag
+which is substantially different from the item's real name; that would
+cause confusion.} One legitimate case for use of @code{:tag} is to
+specify a dash where normally a hyphen would be converted to a space:
+
+@example
+(defcustom cursor-in-non-selected-windows @dots{}
+ :tag "Cursor In Non-selected Windows"
+@end example
@item :group @var{group}
Put this customization item in group @var{group}. When you use