From: nicm <nicm@openbsd.org>
Date: Sat, 21 Aug 2021 10:22:38 +0000 (+0000)
Subject: Add args parsing callback for some future work, currently unused.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=a51dead1c4d3ed85038c588391e643b117324e5a;p=openbsd

Add args parsing callback for some future work, currently unused.
---

diff --git a/usr.bin/tmux/cmd-attach-session.c b/usr.bin/tmux/cmd-attach-session.c
index f18a456fab7..a2541b8d433 100644
--- a/usr.bin/tmux/cmd-attach-session.c
+++ b/usr.bin/tmux/cmd-attach-session.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-attach-session.c,v 1.86 2021/08/13 06:52:51 nicm Exp $ */
+/* $OpenBSD: cmd-attach-session.c,v 1.87 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -37,7 +37,7 @@ const struct cmd_entry cmd_attach_session_entry = {
 	.name = "attach-session",
 	.alias = "attach",
 
-	.args = { "c:dEf:rt:x", 0, 0 },
+	.args = { "c:dEf:rt:x", 0, 0, NULL },
 	.usage = "[-dErx] [-c working-directory] [-f flags] "
 	         CMD_TARGET_SESSION_USAGE,
 
diff --git a/usr.bin/tmux/cmd-bind-key.c b/usr.bin/tmux/cmd-bind-key.c
index 904eb13c6d5..6508bf8b39e 100644
--- a/usr.bin/tmux/cmd-bind-key.c
+++ b/usr.bin/tmux/cmd-bind-key.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-bind-key.c,v 1.39 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-bind-key.c,v 1.40 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_bind_key_entry = {
 	.name = "bind-key",
 	.alias = "bind",
 
-	.args = { "nrN:T:", 1, -1 },
+	.args = { "nrN:T:", 1, -1, NULL },
 	.usage = "[-nr] [-T key-table] [-N note] key "
 	         "[command [arguments]]",
 
diff --git a/usr.bin/tmux/cmd-break-pane.c b/usr.bin/tmux/cmd-break-pane.c
index 4c248a2080b..a24c85bd35e 100644
--- a/usr.bin/tmux/cmd-break-pane.c
+++ b/usr.bin/tmux/cmd-break-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-break-pane.c,v 1.59 2020/06/13 09:05:53 nicm Exp $ */
+/* $OpenBSD: cmd-break-pane.c,v 1.60 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_break_pane_entry = {
 	.name = "break-pane",
 	.alias = "breakp",
 
-	.args = { "abdPF:n:s:t:", 0, 0 },
+	.args = { "abdPF:n:s:t:", 0, 0, NULL },
 	.usage = "[-abdP] [-F format] [-n window-name] [-s src-pane] "
 		 "[-t dst-window]",
 
diff --git a/usr.bin/tmux/cmd-capture-pane.c b/usr.bin/tmux/cmd-capture-pane.c
index dd7c1c1d94c..74e4da3ab80 100644
--- a/usr.bin/tmux/cmd-capture-pane.c
+++ b/usr.bin/tmux/cmd-capture-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-capture-pane.c,v 1.54 2020/06/01 09:43:00 nicm Exp $ */
+/* $OpenBSD: cmd-capture-pane.c,v 1.55 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Jonathan Alvarado <radobobo@users.sourceforge.net>
@@ -39,7 +39,7 @@ const struct cmd_entry cmd_capture_pane_entry = {
 	.name = "capture-pane",
 	.alias = "capturep",
 
-	.args = { "ab:CeE:JNpPqS:t:", 0, 0 },
+	.args = { "ab:CeE:JNpPqS:t:", 0, 0, NULL },
 	.usage = "[-aCeJNpPq] " CMD_BUFFER_USAGE " [-E end-line] "
 		 "[-S start-line] " CMD_TARGET_PANE_USAGE,
 
@@ -53,7 +53,7 @@ const struct cmd_entry cmd_clear_history_entry = {
 	.name = "clear-history",
 	.alias = "clearhist",
 
-	.args = { "t:", 0, 0 },
+	.args = { "t:", 0, 0, NULL },
 	.usage = CMD_TARGET_PANE_USAGE,
 
 	.target = { 't', CMD_FIND_PANE, 0 },
diff --git a/usr.bin/tmux/cmd-choose-tree.c b/usr.bin/tmux/cmd-choose-tree.c
index a03ef1f48d3..56580010211 100644
--- a/usr.bin/tmux/cmd-choose-tree.c
+++ b/usr.bin/tmux/cmd-choose-tree.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-choose-tree.c,v 1.48 2021/04/12 06:50:25 nicm Exp $ */
+/* $OpenBSD: cmd-choose-tree.c,v 1.49 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2012 Thomas Adam <thomas@xteddy.org>
@@ -30,7 +30,7 @@ const struct cmd_entry cmd_choose_tree_entry = {
 	.name = "choose-tree",
 	.alias = NULL,
 
-	.args = { "F:f:GK:NO:rst:wZ", 0, 1 },
+	.args = { "F:f:GK:NO:rst:wZ", 0, 1, NULL },
 	.usage = "[-GNrswZ] [-F format] [-f filter] [-K key-format] "
 		 "[-O sort-order] " CMD_TARGET_PANE_USAGE " [template]",
 
@@ -44,7 +44,7 @@ const struct cmd_entry cmd_choose_client_entry = {
 	.name = "choose-client",
 	.alias = NULL,
 
-	.args = { "F:f:K:NO:rt:Z", 0, 1 },
+	.args = { "F:f:K:NO:rt:Z", 0, 1, NULL },
 	.usage = "[-NrZ] [-F format] [-f filter] [-K key-format] "
 		 "[-O sort-order] " CMD_TARGET_PANE_USAGE " [template]",
 
@@ -58,7 +58,7 @@ const struct cmd_entry cmd_choose_buffer_entry = {
 	.name = "choose-buffer",
 	.alias = NULL,
 
-	.args = { "F:f:K:NO:rt:Z", 0, 1 },
+	.args = { "F:f:K:NO:rt:Z", 0, 1, NULL },
 	.usage = "[-NrZ] [-F format] [-f filter] [-K key-format] "
 		 "[-O sort-order] " CMD_TARGET_PANE_USAGE " [template]",
 
@@ -72,7 +72,7 @@ const struct cmd_entry cmd_customize_mode_entry = {
 	.name = "customize-mode",
 	.alias = NULL,
 
-	.args = { "F:f:Nt:Z", 0, 0 },
+	.args = { "F:f:Nt:Z", 0, 0, NULL },
 	.usage = "[-NZ] [-F format] [-f filter] " CMD_TARGET_PANE_USAGE,
 
 	.target = { 't', CMD_FIND_PANE, 0 },
diff --git a/usr.bin/tmux/cmd-command-prompt.c b/usr.bin/tmux/cmd-command-prompt.c
index a155ef7018a..e65974e46e7 100644
--- a/usr.bin/tmux/cmd-command-prompt.c
+++ b/usr.bin/tmux/cmd-command-prompt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-command-prompt.c,v 1.58 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-command-prompt.c,v 1.59 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -40,7 +40,7 @@ const struct cmd_entry cmd_command_prompt_entry = {
 	.name = "command-prompt",
 	.alias = NULL,
 
-	.args = { "1bFkiI:Np:t:T:", 0, 1 },
+	.args = { "1bFkiI:Np:t:T:", 0, 1, NULL },
 	.usage = "[-1bFkiN] [-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE
 		 " [-T type] [template]",
 
diff --git a/usr.bin/tmux/cmd-confirm-before.c b/usr.bin/tmux/cmd-confirm-before.c
index 7013b2ffd9d..b87e3c1c153 100644
--- a/usr.bin/tmux/cmd-confirm-before.c
+++ b/usr.bin/tmux/cmd-confirm-before.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-confirm-before.c,v 1.47 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-confirm-before.c,v 1.48 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -39,7 +39,7 @@ const struct cmd_entry cmd_confirm_before_entry = {
 	.name = "confirm-before",
 	.alias = "confirm",
 
-	.args = { "bp:t:", 1, 1 },
+	.args = { "bp:t:", 1, 1, NULL },
 	.usage = "[-b] [-p prompt] " CMD_TARGET_CLIENT_USAGE " command",
 
 	.flags = CMD_CLIENT_TFLAG,
diff --git a/usr.bin/tmux/cmd-copy-mode.c b/usr.bin/tmux/cmd-copy-mode.c
index 0348b01941c..84b7521c74c 100644
--- a/usr.bin/tmux/cmd-copy-mode.c
+++ b/usr.bin/tmux/cmd-copy-mode.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-copy-mode.c,v 1.46 2020/04/13 14:46:04 nicm Exp $ */
+/* $OpenBSD: cmd-copy-mode.c,v 1.47 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -30,7 +30,7 @@ const struct cmd_entry cmd_copy_mode_entry = {
 	.name = "copy-mode",
 	.alias = NULL,
 
-	.args = { "eHMs:t:uq", 0, 0 },
+	.args = { "eHMs:t:uq", 0, 0, NULL },
 	.usage = "[-eHMuq] [-s src-pane] " CMD_TARGET_PANE_USAGE,
 
 	.source =  { 's', CMD_FIND_PANE, 0 },
@@ -44,7 +44,7 @@ const struct cmd_entry cmd_clock_mode_entry = {
 	.name = "clock-mode",
 	.alias = NULL,
 
-	.args = { "t:", 0, 0 },
+	.args = { "t:", 0, 0, NULL },
 	.usage = CMD_TARGET_PANE_USAGE,
 
 	.target = { 't', CMD_FIND_PANE, 0 },
diff --git a/usr.bin/tmux/cmd-detach-client.c b/usr.bin/tmux/cmd-detach-client.c
index a822cff8337..5b190e56afa 100644
--- a/usr.bin/tmux/cmd-detach-client.c
+++ b/usr.bin/tmux/cmd-detach-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-detach-client.c,v 1.35 2020/04/13 20:51:57 nicm Exp $ */
+/* $OpenBSD: cmd-detach-client.c,v 1.36 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_detach_client_entry = {
 	.name = "detach-client",
 	.alias = "detach",
 
-	.args = { "aE:s:t:P", 0, 0 },
+	.args = { "aE:s:t:P", 0, 0, NULL },
 	.usage = "[-aP] [-E shell-command] "
 	         "[-s target-session] " CMD_TARGET_CLIENT_USAGE,
 
@@ -47,7 +47,7 @@ const struct cmd_entry cmd_suspend_client_entry = {
 	.name = "suspend-client",
 	.alias = "suspendc",
 
-	.args = { "t:", 0, 0 },
+	.args = { "t:", 0, 0, NULL },
 	.usage = CMD_TARGET_CLIENT_USAGE,
 
 	.flags = CMD_CLIENT_TFLAG,
diff --git a/usr.bin/tmux/cmd-display-menu.c b/usr.bin/tmux/cmd-display-menu.c
index d6ae01f95d3..04d89a16b0c 100644
--- a/usr.bin/tmux/cmd-display-menu.c
+++ b/usr.bin/tmux/cmd-display-menu.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-display-menu.c,v 1.28 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-display-menu.c,v 1.29 2021/08/21 10:22:38 nicm Exp $ */
 
 /*
  * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -37,7 +37,7 @@ const struct cmd_entry cmd_display_menu_entry = {
 	.name = "display-menu",
 	.alias = "menu",
 
-	.args = { "c:t:OT:x:y:", 1, -1 },
+	.args = { "c:t:OT:x:y:", 1, -1, NULL },
 	.usage = "[-O] [-c target-client] " CMD_TARGET_PANE_USAGE " [-T title] "
 		 "[-x position] [-y position] name key command ...",
 
@@ -51,7 +51,7 @@ const struct cmd_entry cmd_display_popup_entry = {
 	.name = "display-popup",
 	.alias = "popup",
 
-	.args = { "BCc:d:Eh:t:w:x:y:", 0, -1 },
+	.args = { "BCc:d:Eh:t:w:x:y:", 0, -1, NULL },
 	.usage = "[-BCE] [-c target-client] [-d start-directory] [-h height] "
 	         CMD_TARGET_PANE_USAGE " [-w width] "
 	         "[-x position] [-y position] [command]",
diff --git a/usr.bin/tmux/cmd-display-message.c b/usr.bin/tmux/cmd-display-message.c
index 1884c3b4207..23baf27846b 100644
--- a/usr.bin/tmux/cmd-display-message.c
+++ b/usr.bin/tmux/cmd-display-message.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-display-message.c,v 1.59 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-display-message.c,v 1.60 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -39,7 +39,7 @@ const struct cmd_entry cmd_display_message_entry = {
 	.name = "display-message",
 	.alias = "display",
 
-	.args = { "ac:d:INpt:F:v", 0, 1 },
+	.args = { "ac:d:INpt:F:v", 0, 1, NULL },
 	.usage = "[-aINpv] [-c target-client] [-d delay] [-F format] "
 		 CMD_TARGET_PANE_USAGE " [message]",
 
diff --git a/usr.bin/tmux/cmd-display-panes.c b/usr.bin/tmux/cmd-display-panes.c
index 69bc084a688..729b908f161 100644
--- a/usr.bin/tmux/cmd-display-panes.c
+++ b/usr.bin/tmux/cmd-display-panes.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-display-panes.c,v 1.41 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-display-panes.c,v 1.42 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_display_panes_entry = {
 	.name = "display-panes",
 	.alias = "displayp",
 
-	.args = { "bd:Nt:", 0, 1 },
+	.args = { "bd:Nt:", 0, 1, NULL },
 	.usage = "[-bN] [-d duration] " CMD_TARGET_CLIENT_USAGE " [template]",
 
 	.flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG,
diff --git a/usr.bin/tmux/cmd-find-window.c b/usr.bin/tmux/cmd-find-window.c
index 712087bef34..27171d2b53b 100644
--- a/usr.bin/tmux/cmd-find-window.c
+++ b/usr.bin/tmux/cmd-find-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-find-window.c,v 1.52 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-find-window.c,v 1.53 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -32,7 +32,7 @@ const struct cmd_entry cmd_find_window_entry = {
 	.name = "find-window",
 	.alias = "findw",
 
-	.args = { "CiNrt:TZ", 1, 1 },
+	.args = { "CiNrt:TZ", 1, 1, NULL },
 	.usage = "[-CiNrTZ] " CMD_TARGET_PANE_USAGE " match-string",
 
 	.target = { 't', CMD_FIND_PANE, 0 },
diff --git a/usr.bin/tmux/cmd-if-shell.c b/usr.bin/tmux/cmd-if-shell.c
index 6d071ff4b19..ec0394bada9 100644
--- a/usr.bin/tmux/cmd-if-shell.c
+++ b/usr.bin/tmux/cmd-if-shell.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-if-shell.c,v 1.77 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-if-shell.c,v 1.78 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -38,7 +38,7 @@ const struct cmd_entry cmd_if_shell_entry = {
 	.name = "if-shell",
 	.alias = "if",
 
-	.args = { "bFt:", 2, 3 },
+	.args = { "bFt:", 2, 3, NULL },
 	.usage = "[-bF] " CMD_TARGET_PANE_USAGE " shell-command command "
 		 "[command]",
 
diff --git a/usr.bin/tmux/cmd-join-pane.c b/usr.bin/tmux/cmd-join-pane.c
index 923497c482f..a59dc9e2474 100644
--- a/usr.bin/tmux/cmd-join-pane.c
+++ b/usr.bin/tmux/cmd-join-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-join-pane.c,v 1.48 2021/03/11 06:31:05 nicm Exp $ */
+/* $OpenBSD: cmd-join-pane.c,v 1.49 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2011 George Nachman <tmux@georgester.com>
@@ -36,7 +36,7 @@ const struct cmd_entry cmd_join_pane_entry = {
 	.name = "join-pane",
 	.alias = "joinp",
 
-	.args = { "bdfhvp:l:s:t:", 0, 0 },
+	.args = { "bdfhvp:l:s:t:", 0, 0, NULL },
 	.usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
 
 	.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
@@ -50,7 +50,7 @@ const struct cmd_entry cmd_move_pane_entry = {
 	.name = "move-pane",
 	.alias = "movep",
 
-	.args = { "bdfhvp:l:s:t:", 0, 0 },
+	.args = { "bdfhvp:l:s:t:", 0, 0, NULL },
 	.usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
 
 	.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
diff --git a/usr.bin/tmux/cmd-kill-pane.c b/usr.bin/tmux/cmd-kill-pane.c
index 1b845c19943..12b7270e7ce 100644
--- a/usr.bin/tmux/cmd-kill-pane.c
+++ b/usr.bin/tmux/cmd-kill-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-kill-pane.c,v 1.30 2020/05/16 16:20:59 nicm Exp $ */
+/* $OpenBSD: cmd-kill-pane.c,v 1.31 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -32,7 +32,7 @@ const struct cmd_entry cmd_kill_pane_entry = {
 	.name = "kill-pane",
 	.alias = "killp",
 
-	.args = { "at:", 0, 0 },
+	.args = { "at:", 0, 0, NULL },
 	.usage = "[-a] " CMD_TARGET_PANE_USAGE,
 
 	.target = { 't', CMD_FIND_PANE, 0 },
diff --git a/usr.bin/tmux/cmd-kill-server.c b/usr.bin/tmux/cmd-kill-server.c
index 3a5e2230e13..8b70be3d809 100644
--- a/usr.bin/tmux/cmd-kill-server.c
+++ b/usr.bin/tmux/cmd-kill-server.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-kill-server.c,v 1.19 2020/04/13 08:26:27 nicm Exp $ */
+/* $OpenBSD: cmd-kill-server.c,v 1.20 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_kill_server_entry = {
 	.name = "kill-server",
 	.alias = NULL,
 
-	.args = { "", 0, 0 },
+	.args = { "", 0, 0, NULL },
 	.usage = "",
 
 	.flags = 0,
@@ -44,7 +44,7 @@ const struct cmd_entry cmd_start_server_entry = {
 	.name = "start-server",
 	.alias = "start",
 
-	.args = { "", 0, 0 },
+	.args = { "", 0, 0, NULL },
 	.usage = "",
 
 	.flags = CMD_STARTSERVER,
diff --git a/usr.bin/tmux/cmd-kill-session.c b/usr.bin/tmux/cmd-kill-session.c
index a23933aa152..3d66400d604 100644
--- a/usr.bin/tmux/cmd-kill-session.c
+++ b/usr.bin/tmux/cmd-kill-session.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-kill-session.c,v 1.27 2020/04/13 10:59:58 nicm Exp $ */
+/* $OpenBSD: cmd-kill-session.c,v 1.28 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_kill_session_entry = {
 	.name = "kill-session",
 	.alias = NULL,
 
-	.args = { "aCt:", 0, 0 },
+	.args = { "aCt:", 0, 0, NULL },
 	.usage = "[-aC] " CMD_TARGET_SESSION_USAGE,
 
 	.target = { 't', CMD_FIND_SESSION, 0 },
diff --git a/usr.bin/tmux/cmd-kill-window.c b/usr.bin/tmux/cmd-kill-window.c
index 0f1017e324a..f0ba5e63e13 100644
--- a/usr.bin/tmux/cmd-kill-window.c
+++ b/usr.bin/tmux/cmd-kill-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-kill-window.c,v 1.27 2020/07/04 14:24:02 nicm Exp $ */
+/* $OpenBSD: cmd-kill-window.c,v 1.28 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -30,7 +30,7 @@ const struct cmd_entry cmd_kill_window_entry = {
 	.name = "kill-window",
 	.alias = "killw",
 
-	.args = { "at:", 0, 0 },
+	.args = { "at:", 0, 0, NULL },
 	.usage = "[-a] " CMD_TARGET_WINDOW_USAGE,
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
@@ -43,7 +43,7 @@ const struct cmd_entry cmd_unlink_window_entry = {
 	.name = "unlink-window",
 	.alias = "unlinkw",
 
-	.args = { "kt:", 0, 0 },
+	.args = { "kt:", 0, 0, NULL },
 	.usage = "[-k] " CMD_TARGET_WINDOW_USAGE,
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
diff --git a/usr.bin/tmux/cmd-list-buffers.c b/usr.bin/tmux/cmd-list-buffers.c
index d16b687f8ac..c73bb2eb86d 100644
--- a/usr.bin/tmux/cmd-list-buffers.c
+++ b/usr.bin/tmux/cmd-list-buffers.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-buffers.c,v 1.38 2020/04/13 10:59:58 nicm Exp $ */
+/* $OpenBSD: cmd-list-buffers.c,v 1.39 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -36,7 +36,7 @@ const struct cmd_entry cmd_list_buffers_entry = {
 	.name = "list-buffers",
 	.alias = "lsb",
 
-	.args = { "F:f:", 0, 0 },
+	.args = { "F:f:", 0, 0, NULL },
 	.usage = "[-F format] [-f filter]",
 
 	.flags = CMD_AFTERHOOK,
diff --git a/usr.bin/tmux/cmd-list-clients.c b/usr.bin/tmux/cmd-list-clients.c
index a6b5f852042..4994c665a95 100644
--- a/usr.bin/tmux/cmd-list-clients.c
+++ b/usr.bin/tmux/cmd-list-clients.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-clients.c,v 1.37 2020/05/16 15:45:29 nicm Exp $ */
+/* $OpenBSD: cmd-list-clients.c,v 1.38 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -39,7 +39,7 @@ const struct cmd_entry cmd_list_clients_entry = {
 	.name = "list-clients",
 	.alias = "lsc",
 
-	.args = { "F:t:", 0, 0 },
+	.args = { "F:t:", 0, 0, NULL },
 	.usage = "[-F format] " CMD_TARGET_SESSION_USAGE,
 
 	.target = { 't', CMD_FIND_SESSION, 0 },
diff --git a/usr.bin/tmux/cmd-list-keys.c b/usr.bin/tmux/cmd-list-keys.c
index bdfcbacb61c..d52867add02 100644
--- a/usr.bin/tmux/cmd-list-keys.c
+++ b/usr.bin/tmux/cmd-list-keys.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-keys.c,v 1.65 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-list-keys.c,v 1.66 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -36,7 +36,7 @@ const struct cmd_entry cmd_list_keys_entry = {
 	.name = "list-keys",
 	.alias = "lsk",
 
-	.args = { "1aNP:T:", 0, 1 },
+	.args = { "1aNP:T:", 0, 1, NULL },
 	.usage = "[-1aN] [-P prefix-string] [-T key-table] [key]",
 
 	.flags = CMD_STARTSERVER|CMD_AFTERHOOK,
@@ -47,7 +47,7 @@ const struct cmd_entry cmd_list_commands_entry = {
 	.name = "list-commands",
 	.alias = "lscm",
 
-	.args = { "F:", 0, 1 },
+	.args = { "F:", 0, 1, NULL },
 	.usage = "[-F format] [command]",
 
 	.flags = CMD_STARTSERVER|CMD_AFTERHOOK,
diff --git a/usr.bin/tmux/cmd-list-panes.c b/usr.bin/tmux/cmd-list-panes.c
index 83fcbf6ce33..59e2263deb5 100644
--- a/usr.bin/tmux/cmd-list-panes.c
+++ b/usr.bin/tmux/cmd-list-panes.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-panes.c,v 1.36 2020/04/13 10:59:58 nicm Exp $ */
+/* $OpenBSD: cmd-list-panes.c,v 1.37 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -38,7 +38,7 @@ const struct cmd_entry cmd_list_panes_entry = {
 	.name = "list-panes",
 	.alias = "lsp",
 
-	.args = { "asF:f:t:", 0, 0 },
+	.args = { "asF:f:t:", 0, 0, NULL },
 	.usage = "[-as] [-F format] [-f filter] " CMD_TARGET_WINDOW_USAGE,
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
diff --git a/usr.bin/tmux/cmd-list-sessions.c b/usr.bin/tmux/cmd-list-sessions.c
index 0f5525c5330..3b9c2522dd4 100644
--- a/usr.bin/tmux/cmd-list-sessions.c
+++ b/usr.bin/tmux/cmd-list-sessions.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-sessions.c,v 1.33 2020/04/13 10:59:58 nicm Exp $ */
+/* $OpenBSD: cmd-list-sessions.c,v 1.34 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -42,7 +42,7 @@ const struct cmd_entry cmd_list_sessions_entry = {
 	.name = "list-sessions",
 	.alias = "ls",
 
-	.args = { "F:f:", 0, 0 },
+	.args = { "F:f:", 0, 0, NULL },
 	.usage = "[-F format] [-f filter]",
 
 	.flags = CMD_AFTERHOOK,
diff --git a/usr.bin/tmux/cmd-list-windows.c b/usr.bin/tmux/cmd-list-windows.c
index 0a6c745cdf8..eb7bc9a45cd 100644
--- a/usr.bin/tmux/cmd-list-windows.c
+++ b/usr.bin/tmux/cmd-list-windows.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-list-windows.c,v 1.47 2021/01/20 07:16:54 nicm Exp $ */
+/* $OpenBSD: cmd-list-windows.c,v 1.48 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -49,7 +49,7 @@ const struct cmd_entry cmd_list_windows_entry = {
 	.name = "list-windows",
 	.alias = "lsw",
 
-	.args = { "F:f:at:", 0, 0 },
+	.args = { "F:f:at:", 0, 0, NULL },
 	.usage = "[-a] [-F format] [-f filter] " CMD_TARGET_SESSION_USAGE,
 
 	.target = { 't', CMD_FIND_SESSION, 0 },
diff --git a/usr.bin/tmux/cmd-load-buffer.c b/usr.bin/tmux/cmd-load-buffer.c
index b18e3949505..43d538c59d8 100644
--- a/usr.bin/tmux/cmd-load-buffer.c
+++ b/usr.bin/tmux/cmd-load-buffer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-load-buffer.c,v 1.63 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-load-buffer.c,v 1.64 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -37,7 +37,7 @@ const struct cmd_entry cmd_load_buffer_entry = {
 	.name = "load-buffer",
 	.alias = "loadb",
 
-	.args = { "b:t:w", 1, 1 },
+	.args = { "b:t:w", 1, 1, NULL },
 	.usage = CMD_BUFFER_USAGE " " CMD_TARGET_CLIENT_USAGE " path",
 
 	.flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG|CMD_CLIENT_CANFAIL,
diff --git a/usr.bin/tmux/cmd-lock-server.c b/usr.bin/tmux/cmd-lock-server.c
index dd0222912ed..1feac03f834 100644
--- a/usr.bin/tmux/cmd-lock-server.c
+++ b/usr.bin/tmux/cmd-lock-server.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-lock-server.c,v 1.30 2020/04/13 20:54:15 nicm Exp $ */
+/* $OpenBSD: cmd-lock-server.c,v 1.31 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -30,7 +30,7 @@ const struct cmd_entry cmd_lock_server_entry = {
 	.name = "lock-server",
 	.alias = "lock",
 
-	.args = { "", 0, 0 },
+	.args = { "", 0, 0, NULL },
 	.usage = "",
 
 	.flags = CMD_AFTERHOOK,
@@ -41,7 +41,7 @@ const struct cmd_entry cmd_lock_session_entry = {
 	.name = "lock-session",
 	.alias = "locks",
 
-	.args = { "t:", 0, 0 },
+	.args = { "t:", 0, 0, NULL },
 	.usage = CMD_TARGET_SESSION_USAGE,
 
 	.target = { 't', CMD_FIND_SESSION, 0 },
@@ -54,7 +54,7 @@ const struct cmd_entry cmd_lock_client_entry = {
 	.name = "lock-client",
 	.alias = "lockc",
 
-	.args = { "t:", 0, 0 },
+	.args = { "t:", 0, 0, NULL },
 	.usage = CMD_TARGET_CLIENT_USAGE,
 
 	.flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG,
diff --git a/usr.bin/tmux/cmd-move-window.c b/usr.bin/tmux/cmd-move-window.c
index efbc3255311..1cd4f10a835 100644
--- a/usr.bin/tmux/cmd-move-window.c
+++ b/usr.bin/tmux/cmd-move-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-move-window.c,v 1.33 2020/06/13 09:05:53 nicm Exp $ */
+/* $OpenBSD: cmd-move-window.c,v 1.34 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -32,7 +32,7 @@ const struct cmd_entry cmd_move_window_entry = {
 	.name = "move-window",
 	.alias = "movew",
 
-	.args = { "abdkrs:t:", 0, 0 },
+	.args = { "abdkrs:t:", 0, 0, NULL },
 	.usage = "[-abdkr] " CMD_SRCDST_WINDOW_USAGE,
 
 	.source = { 's', CMD_FIND_WINDOW, 0 },
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_link_window_entry = {
 	.name = "link-window",
 	.alias = "linkw",
 
-	.args = { "abdks:t:", 0, 0 },
+	.args = { "abdks:t:", 0, 0, NULL },
 	.usage = "[-abdk] " CMD_SRCDST_WINDOW_USAGE,
 
 	.source = { 's', CMD_FIND_WINDOW, 0 },
diff --git a/usr.bin/tmux/cmd-new-session.c b/usr.bin/tmux/cmd-new-session.c
index 337e0ffd728..1e9e9ccfa20 100644
--- a/usr.bin/tmux/cmd-new-session.c
+++ b/usr.bin/tmux/cmd-new-session.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-new-session.c,v 1.141 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-new-session.c,v 1.142 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -39,7 +39,7 @@ const struct cmd_entry cmd_new_session_entry = {
 	.name = "new-session",
 	.alias = "new",
 
-	.args = { "Ac:dDe:EF:f:n:Ps:t:x:Xy:", 0, -1 },
+	.args = { "Ac:dDe:EF:f:n:Ps:t:x:Xy:", 0, -1, NULL },
 	.usage = "[-AdDEPX] [-c start-directory] [-e environment] [-F format] "
 		 "[-f flags] [-n window-name] [-s session-name] "
 		 CMD_TARGET_SESSION_USAGE " [-x width] [-y height] [command]",
@@ -54,7 +54,7 @@ const struct cmd_entry cmd_has_session_entry = {
 	.name = "has-session",
 	.alias = "has",
 
-	.args = { "t:", 0, 0 },
+	.args = { "t:", 0, 0, NULL },
 	.usage = CMD_TARGET_SESSION_USAGE,
 
 	.target = { 't', CMD_FIND_SESSION, 0 },
diff --git a/usr.bin/tmux/cmd-new-window.c b/usr.bin/tmux/cmd-new-window.c
index a6b1ff7fe04..282b6a8ac72 100644
--- a/usr.bin/tmux/cmd-new-window.c
+++ b/usr.bin/tmux/cmd-new-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-new-window.c,v 1.93 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-new-window.c,v 1.94 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -38,7 +38,7 @@ const struct cmd_entry cmd_new_window_entry = {
 	.name = "new-window",
 	.alias = "neww",
 
-	.args = { "abc:de:F:kn:PSt:", 0, -1 },
+	.args = { "abc:de:F:kn:PSt:", 0, -1, NULL },
 	.usage = "[-abdkPS] [-c start-directory] [-e environment] [-F format] "
 		 "[-n window-name] " CMD_TARGET_WINDOW_USAGE " [command]",
 
diff --git a/usr.bin/tmux/cmd-paste-buffer.c b/usr.bin/tmux/cmd-paste-buffer.c
index edd64740b26..e26727bdfee 100644
--- a/usr.bin/tmux/cmd-paste-buffer.c
+++ b/usr.bin/tmux/cmd-paste-buffer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-paste-buffer.c,v 1.40 2020/04/13 10:59:58 nicm Exp $ */
+/* $OpenBSD: cmd-paste-buffer.c,v 1.41 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_paste_buffer_entry = {
 	.name = "paste-buffer",
 	.alias = "pasteb",
 
-	.args = { "db:prs:t:", 0, 0 },
+	.args = { "db:prs:t:", 0, 0, NULL },
 	.usage = "[-dpr] [-s separator] " CMD_BUFFER_USAGE " "
 		 CMD_TARGET_PANE_USAGE,
 
diff --git a/usr.bin/tmux/cmd-pipe-pane.c b/usr.bin/tmux/cmd-pipe-pane.c
index 2110bc9c409..bd1aa04cfc7 100644
--- a/usr.bin/tmux/cmd-pipe-pane.c
+++ b/usr.bin/tmux/cmd-pipe-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-pipe-pane.c,v 1.57 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-pipe-pane.c,v 1.58 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -44,7 +44,7 @@ const struct cmd_entry cmd_pipe_pane_entry = {
 	.name = "pipe-pane",
 	.alias = "pipep",
 
-	.args = { "IOot:", 0, 1 },
+	.args = { "IOot:", 0, 1, NULL },
 	.usage = "[-IOo] " CMD_TARGET_PANE_USAGE " [shell-command]",
 
 	.target = { 't', CMD_FIND_PANE, 0 },
diff --git a/usr.bin/tmux/cmd-refresh-client.c b/usr.bin/tmux/cmd-refresh-client.c
index 89dbe22b473..47023464930 100644
--- a/usr.bin/tmux/cmd-refresh-client.c
+++ b/usr.bin/tmux/cmd-refresh-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-refresh-client.c,v 1.42 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-refresh-client.c,v 1.43 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_refresh_client_entry = {
 	.name = "refresh-client",
 	.alias = "refresh",
 
-	.args = { "A:B:cC:Df:F:lLRSt:U", 0, 1 },
+	.args = { "A:B:cC:Df:F:lLRSt:U", 0, 1, NULL },
 	.usage = "[-cDlLRSU] [-A pane:state] [-B name:what:format] "
 		 "[-C XxY] [-f flags] " CMD_TARGET_CLIENT_USAGE " [adjustment]",
 
diff --git a/usr.bin/tmux/cmd-rename-session.c b/usr.bin/tmux/cmd-rename-session.c
index 7e18f84463a..baa596e4c80 100644
--- a/usr.bin/tmux/cmd-rename-session.c
+++ b/usr.bin/tmux/cmd-rename-session.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-rename-session.c,v 1.34 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-rename-session.c,v 1.35 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_rename_session_entry = {
 	.name = "rename-session",
 	.alias = "rename",
 
-	.args = { "t:", 1, 1 },
+	.args = { "t:", 1, 1, NULL },
 	.usage = CMD_TARGET_SESSION_USAGE " new-name",
 
 	.target = { 't', CMD_FIND_SESSION, 0 },
diff --git a/usr.bin/tmux/cmd-rename-window.c b/usr.bin/tmux/cmd-rename-window.c
index 5978c970475..9805ca95371 100644
--- a/usr.bin/tmux/cmd-rename-window.c
+++ b/usr.bin/tmux/cmd-rename-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-rename-window.c,v 1.27 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-rename-window.c,v 1.28 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_rename_window_entry = {
 	.name = "rename-window",
 	.alias = "renamew",
 
-	.args = { "t:", 1, 1 },
+	.args = { "t:", 1, 1, NULL },
 	.usage = CMD_TARGET_WINDOW_USAGE " new-name",
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
diff --git a/usr.bin/tmux/cmd-resize-pane.c b/usr.bin/tmux/cmd-resize-pane.c
index a2c818ae210..d782d850a52 100644
--- a/usr.bin/tmux/cmd-resize-pane.c
+++ b/usr.bin/tmux/cmd-resize-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-resize-pane.c,v 1.49 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-resize-pane.c,v 1.50 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -36,7 +36,7 @@ const struct cmd_entry cmd_resize_pane_entry = {
 	.name = "resize-pane",
 	.alias = "resizep",
 
-	.args = { "DLMRTt:Ux:y:Z", 0, 1 },
+	.args = { "DLMRTt:Ux:y:Z", 0, 1, NULL },
 	.usage = "[-DLMRTUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " "
 		 "[adjustment]",
 
diff --git a/usr.bin/tmux/cmd-resize-window.c b/usr.bin/tmux/cmd-resize-window.c
index dcf08208bc1..35af7da1a9c 100644
--- a/usr.bin/tmux/cmd-resize-window.c
+++ b/usr.bin/tmux/cmd-resize-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-resize-window.c,v 1.6 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-resize-window.c,v 1.7 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2018 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_resize_window_entry = {
 	.name = "resize-window",
 	.alias = "resizew",
 
-	.args = { "aADLRt:Ux:y:", 0, 1 },
+	.args = { "aADLRt:Ux:y:", 0, 1, NULL },
 	.usage = "[-aADLRU] [-x width] [-y height] " CMD_TARGET_WINDOW_USAGE " "
 		 "[adjustment]",
 
diff --git a/usr.bin/tmux/cmd-respawn-pane.c b/usr.bin/tmux/cmd-respawn-pane.c
index 44fc2841472..73d4e90d863 100644
--- a/usr.bin/tmux/cmd-respawn-pane.c
+++ b/usr.bin/tmux/cmd-respawn-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-respawn-pane.c,v 1.35 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-respawn-pane.c,v 1.36 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_respawn_pane_entry = {
 	.name = "respawn-pane",
 	.alias = "respawnp",
 
-	.args = { "c:e:kt:", 0, -1 },
+	.args = { "c:e:kt:", 0, -1, NULL },
 	.usage = "[-k] [-c start-directory] [-e environment] "
 		 CMD_TARGET_PANE_USAGE " [command]",
 
diff --git a/usr.bin/tmux/cmd-respawn-window.c b/usr.bin/tmux/cmd-respawn-window.c
index d8c1b7bdba3..abac7a744e3 100644
--- a/usr.bin/tmux/cmd-respawn-window.c
+++ b/usr.bin/tmux/cmd-respawn-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-respawn-window.c,v 1.46 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-respawn-window.c,v 1.47 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_respawn_window_entry = {
 	.name = "respawn-window",
 	.alias = "respawnw",
 
-	.args = { "c:e:kt:", 0, -1 },
+	.args = { "c:e:kt:", 0, -1, NULL },
 	.usage = "[-k] [-c start-directory] [-e environment] "
 		 CMD_TARGET_WINDOW_USAGE " [command]",
 
diff --git a/usr.bin/tmux/cmd-rotate-window.c b/usr.bin/tmux/cmd-rotate-window.c
index 2b256b4a11e..c539dea3821 100644
--- a/usr.bin/tmux/cmd-rotate-window.c
+++ b/usr.bin/tmux/cmd-rotate-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-rotate-window.c,v 1.32 2021/03/11 06:31:05 nicm Exp $ */
+/* $OpenBSD: cmd-rotate-window.c,v 1.33 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -31,7 +31,7 @@ const struct cmd_entry cmd_rotate_window_entry = {
 	.name = "rotate-window",
 	.alias = "rotatew",
 
-	.args = { "Dt:UZ", 0, 0 },
+	.args = { "Dt:UZ", 0, 0, NULL },
 	.usage = "[-DUZ] " CMD_TARGET_WINDOW_USAGE,
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
diff --git a/usr.bin/tmux/cmd-run-shell.c b/usr.bin/tmux/cmd-run-shell.c
index 7c1cf405fdc..c533b28bdff 100644
--- a/usr.bin/tmux/cmd-run-shell.c
+++ b/usr.bin/tmux/cmd-run-shell.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-run-shell.c,v 1.75 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-run-shell.c,v 1.76 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -41,7 +41,7 @@ const struct cmd_entry cmd_run_shell_entry = {
 	.name = "run-shell",
 	.alias = "run",
 
-	.args = { "bd:Ct:", 0, 1 },
+	.args = { "bd:Ct:", 0, 1, NULL },
 	.usage = "[-bC] [-d delay] " CMD_TARGET_PANE_USAGE " [shell-command]",
 
 	.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
diff --git a/usr.bin/tmux/cmd-save-buffer.c b/usr.bin/tmux/cmd-save-buffer.c
index 89b43ff2ac0..080555ec46c 100644
--- a/usr.bin/tmux/cmd-save-buffer.c
+++ b/usr.bin/tmux/cmd-save-buffer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-save-buffer.c,v 1.53 2021/08/20 19:50:16 nicm Exp $ */
+/* $OpenBSD: cmd-save-buffer.c,v 1.54 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
@@ -38,7 +38,7 @@ const struct cmd_entry cmd_save_buffer_entry = {
 	.name = "save-buffer",
 	.alias = "saveb",
 
-	.args = { "ab:", 1, 1 },
+	.args = { "ab:", 1, 1, NULL },
 	.usage = "[-a] " CMD_BUFFER_USAGE " path",
 
 	.flags = CMD_AFTERHOOK,
@@ -49,7 +49,7 @@ const struct cmd_entry cmd_show_buffer_entry = {
 	.name = "show-buffer",
 	.alias = "showb",
 
-	.args = { "b:", 0, 0 },
+	.args = { "b:", 0, 0, NULL },
 	.usage = CMD_BUFFER_USAGE,
 
 	.flags = CMD_AFTERHOOK,
diff --git a/usr.bin/tmux/cmd-select-layout.c b/usr.bin/tmux/cmd-select-layout.c
index 1bab0326814..cbb6c7fa87a 100644
--- a/usr.bin/tmux/cmd-select-layout.c
+++ b/usr.bin/tmux/cmd-select-layout.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-select-layout.c,v 1.39 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-select-layout.c,v 1.40 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_select_layout_entry = {
 	.name = "select-layout",
 	.alias = "selectl",
 
-	.args = { "Enopt:", 0, 1 },
+	.args = { "Enopt:", 0, 1, NULL },
 	.usage = "[-Enop] " CMD_TARGET_PANE_USAGE " [layout-name]",
 
 	.target = { 't', CMD_FIND_PANE, 0 },
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_next_layout_entry = {
 	.name = "next-layout",
 	.alias = "nextl",
 
-	.args = { "t:", 0, 0 },
+	.args = { "t:", 0, 0, NULL },
 	.usage = CMD_TARGET_WINDOW_USAGE,
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
@@ -59,7 +59,7 @@ const struct cmd_entry cmd_previous_layout_entry = {
 	.name = "previous-layout",
 	.alias = "prevl",
 
-	.args = { "t:", 0, 0 },
+	.args = { "t:", 0, 0, NULL },
 	.usage = CMD_TARGET_WINDOW_USAGE,
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
diff --git a/usr.bin/tmux/cmd-select-pane.c b/usr.bin/tmux/cmd-select-pane.c
index de9a381b7dc..62b48fd6842 100644
--- a/usr.bin/tmux/cmd-select-pane.c
+++ b/usr.bin/tmux/cmd-select-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-select-pane.c,v 1.67 2021/08/12 19:47:05 nicm Exp $ */
+/* $OpenBSD: cmd-select-pane.c,v 1.68 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_select_pane_entry = {
 	.name = "select-pane",
 	.alias = "selectp",
 
-	.args = { "DdegLlMmP:RT:t:UZ", 0, 0 }, /* -P and -g deprecated */
+	.args = { "DdegLlMmP:RT:t:UZ", 0, 0, NULL }, /* -P and -g deprecated */
 	.usage = "[-DdeLlMmRUZ] [-T title] " CMD_TARGET_PANE_USAGE,
 
 	.target = { 't', CMD_FIND_PANE, 0 },
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_last_pane_entry = {
 	.name = "last-pane",
 	.alias = "lastp",
 
-	.args = { "det:Z", 0, 0 },
+	.args = { "det:Z", 0, 0, NULL },
 	.usage = "[-deZ] " CMD_TARGET_WINDOW_USAGE,
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
diff --git a/usr.bin/tmux/cmd-select-window.c b/usr.bin/tmux/cmd-select-window.c
index 9466be06f31..32b4821bf50 100644
--- a/usr.bin/tmux/cmd-select-window.c
+++ b/usr.bin/tmux/cmd-select-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-select-window.c,v 1.29 2020/10/19 06:39:28 nicm Exp $ */
+/* $OpenBSD: cmd-select-window.c,v 1.30 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_select_window_entry = {
 	.name = "select-window",
 	.alias = "selectw",
 
-	.args = { "lnpTt:", 0, 0 },
+	.args = { "lnpTt:", 0, 0, NULL },
 	.usage = "[-lnpT] " CMD_TARGET_WINDOW_USAGE,
 
 	.target = { 't', CMD_FIND_WINDOW, 0 },
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_next_window_entry = {
 	.name = "next-window",
 	.alias = "next",
 
-	.args = { "at:", 0, 0 },
+	.args = { "at:", 0, 0, NULL },
 	.usage = "[-a] " CMD_TARGET_SESSION_USAGE,
 
 	.target = { 't', CMD_FIND_SESSION, 0 },
@@ -59,7 +59,7 @@ const struct cmd_entry cmd_previous_window_entry = {
 	.name = "previous-window",
 	.alias = "prev",
 
-	.args = { "at:", 0, 0 },
+	.args = { "at:", 0, 0, NULL },
 	.usage = "[-a] " CMD_TARGET_SESSION_USAGE,
 
 	.target = { 't', CMD_FIND_SESSION, 0 },
@@ -72,7 +72,7 @@ const struct cmd_entry cmd_last_window_entry = {
 	.name = "last-window",
 	.alias = "last",
 
-	.args = { "t:", 0, 0 },
+	.args = { "t:", 0, 0, NULL },
 	.usage = CMD_TARGET_SESSION_USAGE,
 
 	.target = { 't', CMD_FIND_SESSION, 0 },
diff --git a/usr.bin/tmux/cmd-send-keys.c b/usr.bin/tmux/cmd-send-keys.c
index 5ad130e4b46..5a53b1d1909 100644
--- a/usr.bin/tmux/cmd-send-keys.c
+++ b/usr.bin/tmux/cmd-send-keys.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-send-keys.c,v 1.67 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-send-keys.c,v 1.68 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_send_keys_entry = {
 	.name = "send-keys",
 	.alias = "send",
 
-	.args = { "FHlMN:Rt:X", 0, -1 },
+	.args = { "FHlMN:Rt:X", 0, -1, NULL },
 	.usage = "[-FHlMRX] [-N repeat-count] " CMD_TARGET_PANE_USAGE
 	         " key ...",
 
@@ -47,7 +47,7 @@ const struct cmd_entry cmd_send_prefix_entry = {
 	.name = "send-prefix",
 	.alias = NULL,
 
-	.args = { "2t:", 0, 0 },
+	.args = { "2t:", 0, 0, NULL },
 	.usage = "[-2] " CMD_TARGET_PANE_USAGE,
 
 	.target = { 't', CMD_FIND_PANE, 0 },
diff --git a/usr.bin/tmux/cmd-set-buffer.c b/usr.bin/tmux/cmd-set-buffer.c
index f378d9ec33e..f90774459d1 100644
--- a/usr.bin/tmux/cmd-set-buffer.c
+++ b/usr.bin/tmux/cmd-set-buffer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-set-buffer.c,v 1.31 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-set-buffer.c,v 1.32 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_set_buffer_entry = {
 	.name = "set-buffer",
 	.alias = "setb",
 
-	.args = { "ab:t:n:w", 0, 1 },
+	.args = { "ab:t:n:w", 0, 1, NULL },
 	.usage = "[-aw] " CMD_BUFFER_USAGE " [-n new-buffer-name] "
 	         CMD_TARGET_CLIENT_USAGE " data",
 
@@ -45,7 +45,7 @@ const struct cmd_entry cmd_delete_buffer_entry = {
 	.name = "delete-buffer",
 	.alias = "deleteb",
 
-	.args = { "b:", 0, 0 },
+	.args = { "b:", 0, 0, NULL },
 	.usage = CMD_BUFFER_USAGE,
 
 	.flags = CMD_AFTERHOOK,
diff --git a/usr.bin/tmux/cmd-set-environment.c b/usr.bin/tmux/cmd-set-environment.c
index b039e7bbc71..e7af4e0374b 100644
--- a/usr.bin/tmux/cmd-set-environment.c
+++ b/usr.bin/tmux/cmd-set-environment.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-set-environment.c,v 1.27 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-set-environment.c,v 1.28 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_set_environment_entry = {
 	.name = "set-environment",
 	.alias = "setenv",
 
-	.args = { "Fhgrt:u", 1, 2 },
+	.args = { "Fhgrt:u", 1, 2, NULL },
 	.usage = "[-Fhgru] " CMD_TARGET_SESSION_USAGE " name [value]",
 
 	.target = { 't', CMD_FIND_SESSION, CMD_FIND_CANFAIL },
diff --git a/usr.bin/tmux/cmd-set-option.c b/usr.bin/tmux/cmd-set-option.c
index b3667c53db3..0daa8665d02 100644
--- a/usr.bin/tmux/cmd-set-option.c
+++ b/usr.bin/tmux/cmd-set-option.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-set-option.c,v 1.139 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-set-option.c,v 1.140 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -33,7 +33,7 @@ const struct cmd_entry cmd_set_option_entry = {
 	.name = "set-option",
 	.alias = "set",
 
-	.args = { "aFgopqst:uUw", 1, 2 },
+	.args = { "aFgopqst:uUw", 1, 2, NULL },
 	.usage = "[-aFgopqsuUw] " CMD_TARGET_PANE_USAGE " option [value]",
 
 	.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
@@ -46,7 +46,7 @@ const struct cmd_entry cmd_set_window_option_entry = {
 	.name = "set-window-option",
 	.alias = "setw",
 
-	.args = { "aFgoqt:u", 1, 2 },
+	.args = { "aFgoqt:u", 1, 2, NULL },
 	.usage = "[-aFgoqu] " CMD_TARGET_WINDOW_USAGE " option [value]",
 
 	.target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
@@ -59,7 +59,7 @@ const struct cmd_entry cmd_set_hook_entry = {
 	.name = "set-hook",
 	.alias = NULL,
 
-	.args = { "agpRt:uw", 1, 2 },
+	.args = { "agpRt:uw", 1, 2, NULL },
 	.usage = "[-agpRuw] " CMD_TARGET_PANE_USAGE " hook [command]",
 
 	.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
diff --git a/usr.bin/tmux/cmd-show-environment.c b/usr.bin/tmux/cmd-show-environment.c
index 697d152bb4d..e0fd0ddf3c3 100644
--- a/usr.bin/tmux/cmd-show-environment.c
+++ b/usr.bin/tmux/cmd-show-environment.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-show-environment.c,v 1.27 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-show-environment.c,v 1.28 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -38,7 +38,7 @@ const struct cmd_entry cmd_show_environment_entry = {
 	.name = "show-environment",
 	.alias = "showenv",
 
-	.args = { "hgst:", 0, 1 },
+	.args = { "hgst:", 0, 1, NULL },
 	.usage = "[-hgs] " CMD_TARGET_SESSION_USAGE " [name]",
 
 	.target = { 't', CMD_FIND_SESSION, CMD_FIND_CANFAIL },
diff --git a/usr.bin/tmux/cmd-show-messages.c b/usr.bin/tmux/cmd-show-messages.c
index 5f04e2c70b4..5833077d522 100644
--- a/usr.bin/tmux/cmd-show-messages.c
+++ b/usr.bin/tmux/cmd-show-messages.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-show-messages.c,v 1.35 2020/05/16 16:50:55 nicm Exp $ */
+/* $OpenBSD: cmd-show-messages.c,v 1.36 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -40,7 +40,7 @@ const struct cmd_entry cmd_show_messages_entry = {
 	.name = "show-messages",
 	.alias = "showmsgs",
 
-	.args = { "JTt:", 0, 0 },
+	.args = { "JTt:", 0, 0, NULL },
 	.usage = "[-JT] " CMD_TARGET_CLIENT_USAGE,
 
 	.flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG,
diff --git a/usr.bin/tmux/cmd-show-options.c b/usr.bin/tmux/cmd-show-options.c
index 25d46ab9d39..12b670065e5 100644
--- a/usr.bin/tmux/cmd-show-options.c
+++ b/usr.bin/tmux/cmd-show-options.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-show-options.c,v 1.66 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-show-options.c,v 1.67 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -39,7 +39,7 @@ const struct cmd_entry cmd_show_options_entry = {
 	.name = "show-options",
 	.alias = "show",
 
-	.args = { "AgHpqst:vw", 0, 1 },
+	.args = { "AgHpqst:vw", 0, 1, NULL },
 	.usage = "[-AgHpqsvw] " CMD_TARGET_PANE_USAGE " [option]",
 
 	.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
@@ -52,7 +52,7 @@ const struct cmd_entry cmd_show_window_options_entry = {
 	.name = "show-window-options",
 	.alias = "showw",
 
-	.args = { "gvt:", 0, 1 },
+	.args = { "gvt:", 0, 1, NULL },
 	.usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
 
 	.target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
@@ -65,7 +65,7 @@ const struct cmd_entry cmd_show_hooks_entry = {
 	.name = "show-hooks",
 	.alias = NULL,
 
-	.args = { "gpt:w", 0, 1 },
+	.args = { "gpt:w", 0, 1, NULL },
 	.usage = "[-gpw] " CMD_TARGET_PANE_USAGE,
 
 	.target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
diff --git a/usr.bin/tmux/cmd-show-prompt-history.c b/usr.bin/tmux/cmd-show-prompt-history.c
index b4b191b8ede..b5e369c6233 100644
--- a/usr.bin/tmux/cmd-show-prompt-history.c
+++ b/usr.bin/tmux/cmd-show-prompt-history.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-show-prompt-history.c,v 1.1 2021/06/10 07:50:03 nicm Exp $ */
+/* $OpenBSD: cmd-show-prompt-history.c,v 1.2 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2021 Anindya Mukherjee <anindya49@hotmail.com>
@@ -31,7 +31,7 @@ const struct cmd_entry cmd_show_prompt_history_entry = {
 	.name = "show-prompt-history",
 	.alias = "showphist",
 
-	.args = { "T:", 0, 0 },
+	.args = { "T:", 0, 0, NULL },
 	.usage = "[-T type]",
 
 	.flags = CMD_AFTERHOOK,
@@ -42,7 +42,7 @@ const struct cmd_entry cmd_clear_prompt_history_entry = {
 	.name = "clear-prompt-history",
 	.alias = "clearphist",
 
-	.args = { "T:", 0, 0 },
+	.args = { "T:", 0, 0, NULL },
 	.usage = "[-T type]",
 
 	.flags = CMD_AFTERHOOK,
diff --git a/usr.bin/tmux/cmd-source-file.c b/usr.bin/tmux/cmd-source-file.c
index 37dbcd0fe73..adefe9e1a23 100644
--- a/usr.bin/tmux/cmd-source-file.c
+++ b/usr.bin/tmux/cmd-source-file.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-source-file.c,v 1.50 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-source-file.c,v 1.51 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Tiago Cunha <me@tiagocunha.org>
@@ -36,7 +36,7 @@ const struct cmd_entry cmd_source_file_entry = {
 	.name = "source-file",
 	.alias = "source",
 
-	.args = { "Fnqv", 1, -1 },
+	.args = { "Fnqv", 1, -1, NULL },
 	.usage = "[-Fnqv] path ...",
 
 	.flags = 0,
diff --git a/usr.bin/tmux/cmd-split-window.c b/usr.bin/tmux/cmd-split-window.c
index e5b82a6f215..ce8d934dcf8 100644
--- a/usr.bin/tmux/cmd-split-window.c
+++ b/usr.bin/tmux/cmd-split-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-split-window.c,v 1.107 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-split-window.c,v 1.108 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -40,7 +40,7 @@ const struct cmd_entry cmd_split_window_entry = {
 	.name = "split-window",
 	.alias = "splitw",
 
-	.args = { "bc:de:fF:hIl:p:Pt:vZ", 0, -1 },
+	.args = { "bc:de:fF:hIl:p:Pt:vZ", 0, -1, NULL },
 	.usage = "[-bdefhIPvZ] [-c start-directory] [-e environment] "
 		 "[-F format] [-l size] " CMD_TARGET_PANE_USAGE " [command]",
 
diff --git a/usr.bin/tmux/cmd-swap-pane.c b/usr.bin/tmux/cmd-swap-pane.c
index 511ae6fd815..e39b03125f6 100644
--- a/usr.bin/tmux/cmd-swap-pane.c
+++ b/usr.bin/tmux/cmd-swap-pane.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-swap-pane.c,v 1.39 2021/03/11 06:31:05 nicm Exp $ */
+/* $OpenBSD: cmd-swap-pane.c,v 1.40 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -32,7 +32,7 @@ const struct cmd_entry cmd_swap_pane_entry = {
 	.name = "swap-pane",
 	.alias = "swapp",
 
-	.args = { "dDs:t:UZ", 0, 0 },
+	.args = { "dDs:t:UZ", 0, 0, NULL },
 	.usage = "[-dDUZ] " CMD_SRCDST_PANE_USAGE,
 
 	.source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
diff --git a/usr.bin/tmux/cmd-swap-window.c b/usr.bin/tmux/cmd-swap-window.c
index 41684791d2d..1bffcd5b691 100644
--- a/usr.bin/tmux/cmd-swap-window.c
+++ b/usr.bin/tmux/cmd-swap-window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-swap-window.c,v 1.27 2020/04/13 10:59:58 nicm Exp $ */
+/* $OpenBSD: cmd-swap-window.c,v 1.28 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -32,7 +32,7 @@ const struct cmd_entry cmd_swap_window_entry = {
 	.name = "swap-window",
 	.alias = "swapw",
 
-	.args = { "ds:t:", 0, 0 },
+	.args = { "ds:t:", 0, 0, NULL },
 	.usage = "[-d] " CMD_SRCDST_WINDOW_USAGE,
 
 	.source = { 's', CMD_FIND_WINDOW, CMD_FIND_DEFAULT_MARKED },
diff --git a/usr.bin/tmux/cmd-switch-client.c b/usr.bin/tmux/cmd-switch-client.c
index 7665b23ef1e..8b6fecd1ea1 100644
--- a/usr.bin/tmux/cmd-switch-client.c
+++ b/usr.bin/tmux/cmd-switch-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-switch-client.c,v 1.69 2021/08/13 06:52:51 nicm Exp $ */
+/* $OpenBSD: cmd-switch-client.c,v 1.70 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_switch_client_entry = {
 	.name = "switch-client",
 	.alias = "switchc",
 
-	.args = { "lc:EFnpt:rT:Z", 0, 0 },
+	.args = { "lc:EFnpt:rT:Z", 0, 0, NULL },
 	.usage = "[-ElnprZ] [-c target-client] [-t target-session] "
 		 "[-T key-table]",
 
diff --git a/usr.bin/tmux/cmd-unbind-key.c b/usr.bin/tmux/cmd-unbind-key.c
index f05d2add130..f537fb57670 100644
--- a/usr.bin/tmux/cmd-unbind-key.c
+++ b/usr.bin/tmux/cmd-unbind-key.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-unbind-key.c,v 1.33 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-unbind-key.c,v 1.34 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -32,7 +32,7 @@ const struct cmd_entry cmd_unbind_key_entry = {
 	.name = "unbind-key",
 	.alias = "unbind",
 
-	.args = { "anqT:", 0, 1 },
+	.args = { "anqT:", 0, 1, NULL },
 	.usage = "[-anq] [-T key-table] key",
 
 	.flags = CMD_AFTERHOOK,
diff --git a/usr.bin/tmux/cmd-wait-for.c b/usr.bin/tmux/cmd-wait-for.c
index f51d9e1be8c..819de5cf423 100644
--- a/usr.bin/tmux/cmd-wait-for.c
+++ b/usr.bin/tmux/cmd-wait-for.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-wait-for.c,v 1.21 2021/08/20 19:50:17 nicm Exp $ */
+/* $OpenBSD: cmd-wait-for.c,v 1.22 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2013 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -34,7 +34,7 @@ const struct cmd_entry cmd_wait_for_entry = {
 	.name = "wait-for",
 	.alias = "wait",
 
-	.args = { "LSU", 1, 1 },
+	.args = { "LSU", 1, 1, NULL },
 	.usage = "[-L|-S|-U] channel",
 
 	.flags = 0,
diff --git a/usr.bin/tmux/tmux.h b/usr.bin/tmux/tmux.h
index 07010cbb6be..5f997896964 100644
--- a/usr.bin/tmux/tmux.h
+++ b/usr.bin/tmux/tmux.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: tmux.h,v 1.1128 2021/08/21 08:44:59 nicm Exp $ */
+/* $OpenBSD: tmux.h,v 1.1129 2021/08/21 10:22:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1366,10 +1366,12 @@ struct args_entry;
 RB_HEAD(args_tree, args_entry);
 
 /* Arguments parsing state. */
+typedef enum args_type (*args_parse_cb)(struct args *, u_int);
 struct args_parse {
 	const char	*template;
 	int		 lower;
 	int		 upper;
+	args_parse_cb	 cb;
 };
 
 /* Command find structures. */