Add -F flag to send-keys to expand formats in search-backward and
forward copy mode commands, this makes it easier to use the cursor_word
and cursor_line formats. From Anindya Mukherjee in GitHub iss

Add -F flag to send-keys to expand formats in search-backward and
forward copy mode commands, this makes it easier to use the cursor_word
and cursor_line formats. From Anindya Mukherjee in GitHub issue 1964.

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The command item changes so can't keep getting the target out of it, need to use
the one from the first item. Fixes crash reported by M Kelly.

Add a -H flag to send-keys to send literal keys given as hex numbers
(needed for control clients to send mouse sequences). Also add some
format flags for UTF-8 and SGR mouse mode. Requested by Bradle

Add a -H flag to send-keys to send literal keys given as hex numbers
(needed for control clients to send mouse sequences). Also add some
format flags for UTF-8 and SGR mouse mode. Requested by Bradley Smith in
GitHub issues 1832 and 1833.

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Add simple menus to tree, client, buffer modes.

send-keys also needs to insert key commands in the right order.

Allow multiple modes to be open in a pane. A stack of open modes is kept
and the previous restored when the top is exited. If a mode that is
already on the stack is entered, the existing instance is

Allow multiple modes to be open in a pane. A stack of open modes is kept
and the previous restored when the top is exited. If a mode that is
already on the stack is entered, the existing instance is moved to the
top as the active mode rather than being opened new.

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Add a separate mode struct for the active window mode if any.

Pass window into mode functions.

Make key trees and some other bits static.

Apply the xterm key flag when needed for send-keys, fixes problem
reported by Franky Spamschleuder.

Insert copy mode bindings at the right place in the command queue.

If the target pane for send-keys in in a mode with a key table (that is,
copy mode), then look the key up in the table and fire any command
instead of delivering the key to the pane directly where it

If the target pane for send-keys in in a mode with a key table (that is,
copy mode), then look the key up in the table and fire any command
instead of delivering the key to the pane directly where it will be
ignored. This makes C-b C-b (send-prefix) work in copy mode again.

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Get rid of the extra layer of flags and cmd_prepare() and just store the
CMD_FIND_* flags in the cmd_entry and call it for the command. Commands
with special requirements call it themselves and updat

Get rid of the extra layer of flags and cmd_prepare() and just store the
CMD_FIND_* flags in the cmd_entry and call it for the command. Commands
with special requirements call it themselves and update the target for
hooks to use.

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Store state shared between multiple commands in the queue in a shared
structure.

Add support for the OSC 4 and OSC 104 palette setting escape sequences,
from S Gilles.

-N without arguments needs to set prefix count for the mode command, so
that M-1 etc work. Reported by Theo Buehler.

Fix send-keys with UTF-8.

Make send -N work for all keys, not just in copy mode. From Artem Fokin.

Mass rename struct cmd_q to struct cmdq_item and related.

Rewrite command queue handling. Each client still has a command queue,
but there is also now a global command queue. Instead of command queues
being dispatched on demand from wherever the command hap

Rewrite command queue handling. Each client still has a command queue,
but there is also now a global command queue. Instead of command queues
being dispatched on demand from wherever the command happens to be
added, they are now all dispatched from the top level server
loop. Command queues may now also include callbacks as well as commands,
and items may be inserted after the current command as well as at the end.

This all makes command queues significantly more predictable and easier
to use, and avoids the complex multiple nested command queues used by
source-file, if-shell and friends.

A mass rename of struct cmdq to a better name (cmdq_item probably) is
coming.

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Add CMD_AFTERHOOK flag to the easy commands that don't need any special handling.

Fundamental change to how copy mode key bindings work:

The vi-copy and emacs-copy mode key tables are gone, and instead copy
mode commands are bound in one of two normal key tables ("copy-mode" or
"

Fundamental change to how copy mode key bindings work:

The vi-copy and emacs-copy mode key tables are gone, and instead copy
mode commands are bound in one of two normal key tables ("copy-mode" or
"copy-mode-vi"). Keys are bound to "send-keys -X copy-mode-command". So:

bind -temacs-copy C-Up scroll-up
bind -temacs-copy -R5 WheelUpPane scroll-up

Becomes:

bind -Tcopy-mode C-Up send -X scroll-up
bind -Tcopy-mode WheelUpPane send -N5 -X scroll-up

This allows the full command parser and command set to be used - for
example, we can use the normal command prompt for searching, jumping,
and so on instead of a custom one:

bind -Tcopy-mode C-r command-prompt -p'search up' "send -X search-backward '%%'"

command-prompt also gets a -1 option to only require on key press, which
is needed for jumping.

The plan is to get rid of mode keys entirely, so more to come eventually.

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Add static in cmd-* and fix a few other nits.

I no longer use my SourceForge address so replace it.

send-keys -R should reset the input parser to ground state (so it can be
used to escape from, for example, printf '\033]2;').