(terminal-init-screen): Use it (bug#20356).
* lisp/term/xterm.el: Provide `term/xterm' instead of `xterm'.
(xterm--extra-capabilities-type): New const.
(xterm-extra-capabilities): Use it.
(xterm--version-handler): Lower the pseudo-version for `screen'.
Add support for bracketed paste mode; add infrastructure for
managing terminal mode enabling and disabling automatically.
* xt-mouse.el:
(xterm-mouse-mode): Simplify.
(xterm-mouse-tracking-enable-sequence)
(xterm-mouse-tracking-disable-sequence): New constants.
(turn-on-xterm-mouse-tracking-on-terminal)
(turn-off-xterm-mouse-tracking-on-terminal): Use
tty-mode-set-strings and tty-mode-reset-strings terminal
parameters instead of random hooks.
(turn-on-xterm-mouse-tracking)
(turn-off-xterm-mouse-tracking): Delete.
* term/xterm.el (xterm-extra-capabilities): Fix bitrotted comment.
(xterm-paste-ending-sequence): New constant.
(xterm-paste): New command used for bracketed paste support.
(xterm-modify-other-keys-terminal-list): Delete obsolete variable.
(terminal-init-xterm-bracketed-paste-mode): New function.
(terminal-init-xterm): Call it.
(terminal-init-xterm-modify-other-keys): Use tty-mode-set-strings
and tty-mode-reset-strings instead of random hooks.
(xterm-turn-on-modify-other-keys)
(xterm-turn-off-modify-other-keys)
(xterm-remove-modify-other-keys): Delete obsolete functions.
* term/screen.el: Rewrite to just use the xterm code. Add
copyright notice. Mention tmux.
Not that compiling these will bring any noticeable speed benefit, but
there's really no reason not to compile them. The extra disk space
and build time is negligible, and it might reveal use of obsolete
functions, bugs, etc.
