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-rw-r--r--doc/emacs/frames.texi12
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/emacs/frames.texi b/doc/emacs/frames.texi
index 68c12d272f8..8984555066b 100644
--- a/doc/emacs/frames.texi
+++ b/doc/emacs/frames.texi
@@ -1074,6 +1074,18 @@ file on a Dired buffer moves or copies the file (according to the
conventions of the application it came from) into the directory
displayed in that buffer.
+@vindex mouse-drag-and-drop-region
+ Emacs can also optionally drag the region of text by mouse into
+another portion of this or another buffer. To enable that, customize
+the variable @code{mouse-drag-and-drop-region} to a non-nil value.
+Normally, the text is moved, i.e. cut and pasted, when the destination
+is the same buffer as the origin; dropping the region on another
+buffer copies the text instead. If the value of this variable names a
+modifier key, such as @samp{shift} or @samp{control} or @samp{alt},
+then pressing that modifier key when dropping the text will copy it
+instead of cutting it, even if you drop on the same buffer as the one
+from which the text came.
+
@vindex dnd-open-file-other-window
Dropping a file normally visits it in the window you drop it on. If
you prefer to visit the file in a new window in such cases, customize