* lisp/xt-mouse.el: Add mouse-tracking support.

Fixes: debbugs:19416

* lisp/xt-mouse.el: Add mouse-tracking support.
(xterm-mouse-translate-1): Handle mouse-movement events.
(xterm-mouse--read-event-sequence-1000)
(xterm-mouse--read-event-sequence-1006): Delete functions.
(xterm-mouse--read-event-sequence): New function that handles both at
the same time.  Handle mouse-movements.
(xterm-mouse--read-utf8-char, xterm-mouse--read-number-from-terminal):
New functions.
(xterm-mouse-event): Simplify.
(xterm-mouse-tracking-enable-sequence)
(xterm-mouse-tracking-disable-sequence): Enable mouse tracking.

* lisp/mouse.el (mouse-drag-line): Also ignore `vertical-line' prefix events.

1 files changed, 2 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index cb319340678..5a19fc391e7 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -217,6 +217,8 @@ Unicode standards.
 
 
 * Changes in Specialized Modes and Packages in Emacs 25.1
+** xterm-mouse-mode now supports mouse-tracking (if your xterm supports it).
+
 ** package.el
 *** `package-install-from-buffer' and `package-install-file' work on directories.
 This follows the same rules as installing from a .tar file, except the