diff --git a/regress/format-list-default.sh b/regress/format-list-default.sh
new file mode 100644
index 000000000..d562e2446
--- /dev/null
+++ b/regress/format-list-default.sh
@@ -0,0 +1,66 @@
+#!/bin/sh
+
+# A list with default alignment is drawn like an explicitly left-aligned list.
+
+PATH=/bin:/usr/bin
+TERM=screen
+LC_ALL=C.UTF-8
+export PATH TERM LC_ALL
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
+TMUX2="$TEST_TMUX -LtestB$$ -f/dev/null"
+
+cleanup()
+{
+	$TMUX2 kill-server >/dev/null 2>&1
+	$TMUX kill-server >/dev/null 2>&1
+}
+trap cleanup 0 1 15
+
+check()
+{
+	$TMUX set -g 'status-format[0]' "$1" || exit 1
+	i=0
+	while [ "$i" -lt 50 ]; do
+		got=$($TMUX2 capture-pane -p -t outer:0.0 | head -n 1)
+		[ "$got" = "$2" ] && return
+		sleep 0.1
+		i=$((i + 1))
+	done
+	echo "format '$1': got '$got', expected '$2'" >&2
+	exit 1
+}
+
+$TMUX new-session -d -s inner -x 20 -y 8 'sleep 100' || exit 1
+$TMUX set -g status-position top || exit 1
+$TMUX2 new-session -d -s outer -x 20 -y 8 'sleep 100' || exit 1
+$TMUX2 set -g status off || exit 1
+$TMUX2 respawn-pane -k -t outer:0.0 "$TMUX attach -t inner" || exit 1
+sleep 1
+
+check '#[list=on]foo#[nolist]' foo
+check 'pre#[list=on]middle#[nolist]post' premiddlepost
+
+# The focus and trimming markers must also match explicit left alignment.
+format='#[list=on]#[list=left-marker]<#[list=right-marker]>'
+format=$format'#[list=on]0123456789#[list=focus]FOCUS'
+format=$format'#[list=on]abcdefghij#[nolist]'
+check "#[align=left]$format" '<3456789FOCUSabcdef>'
+check "$format" '<3456789FOCUSabcdef>'
+
+# Window ranges in the list still dispatch status bindings.
+$TMUX set -g mouse on || exit 1
+$TMUX set -g @clicked no || exit 1
+$TMUX bind -n MouseDown1Status set -g @clicked yes || exit 1
+check '#[list=on]#[range=window|0]foo#[norange]#[nolist]' foo
+seq=$(printf '\033[<0;2;1M\033[<0;2;1m')
+$TMUX2 send-keys -t outer:0.0 -l "$seq" || exit 1
+i=0
+while [ "$i" -lt 50 ]; do
+	[ "$($TMUX show -gv @clicked)" = yes ] && exit 0
+	sleep 0.1
+	i=$((i + 1))
+done
+echo 'list window range did not receive click' >&2
+exit 1
diff --git a/regress/status-ignore-size.sh b/regress/status-ignore-size.sh
new file mode 100644
index 000000000..92950cce9
--- /dev/null
+++ b/regress/status-ignore-size.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# A client attached with ignore-size that is shorter than the status line
+# must have it turned off rather than kill the server.
+# Each inner client runs in an outer pane of its size.
+
+PATH=/bin:/usr/bin
+TERM=screen
+LC_ALL=C.UTF-8
+export PATH TERM LC_ALL
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
+TMUX2="$TEST_TMUX -LtestB$$ -f/dev/null"
+
+cleanup()
+{
+	$TMUX2 kill-server >/dev/null 2>&1
+	$TMUX kill-server >/dev/null 2>&1
+}
+trap cleanup 0 1 15
+
+fail()
+{
+	echo "$*" >&2
+	exit 1
+}
+
+# Attach a normal client of size $1 and an ignore-size client of size $2
+# (WxH) to the inner session.
+attach()
+{
+	$TMUX2 kill-server >/dev/null 2>&1
+	$TMUX2 new-session -d -s big -x "${1%x*}" -y "${1#*x}" 'sleep 100' ||
+	    exit 1
+	$TMUX2 set -g status off || exit 1
+	$TMUX2 set -g window-size manual || exit 1
+	$TMUX2 new-session -d -s small -x "${2%x*}" -y "${2#*x}" 'sleep 100' ||
+	    exit 1
+	$TMUX2 respawn-pane -k -t big:0.0 "$TMUX attach -t inner" || exit 1
+	sleep 0.5
+	$TMUX2 respawn-pane -k -t small:0.0 \
+	    "$TMUX attach -f ignore-size -t inner" || exit 1
+	sleep 1
+}
+
+$TMUX new-session -d -s inner -x 80 -y 24 'sleep 100' || exit 1
+
+# A status line taller than the client.
+$TMUX set -g status 5 || exit 1
+attach 80x24 80x4
+$TMUX has-session 2>/dev/null || fail "server exited: status line too tall"
+
+exit 0
diff --git a/regress/tty-clamp.sh b/regress/tty-clamp.sh
new file mode 100644
index 000000000..de806de69
--- /dev/null
+++ b/regress/tty-clamp.sh
@@ -0,0 +1,100 @@
+#!/bin/sh
+
+# A client narrower than the window must clamp pane output to its visible
+# part, including a pane cut off at both sides after panning. Each inner
+# client runs in an outer pane of its size.
+
+PATH=/bin:/usr/bin
+TERM=screen
+LC_ALL=C.UTF-8
+export PATH TERM LC_ALL
+
+[ -z "$TEST_TMUX" ] && TEST_TMUX=$(readlink -f ../tmux)
+TMUX="$TEST_TMUX -LtestA$$ -f/dev/null"
+TMUX2="$TEST_TMUX -LtestB$$ -f/dev/null"
+
+DIR=$(mktemp -d) || exit 1
+TRIGGER=$DIR/trigger
+CAPTURE=$DIR/capture
+
+cleanup()
+{
+	$TMUX2 kill-server >/dev/null 2>&1
+	$TMUX kill-server >/dev/null 2>&1
+	rm -f "$TRIGGER" "$CAPTURE"
+	rmdir "$DIR"
+}
+trap cleanup 0 1 15
+
+fail()
+{
+	echo "$*" >&2
+	[ -s "$CAPTURE" ] && cat "$CAPTURE" >&2
+	exit 1
+}
+
+# Start the inner server with one pane running $1.
+start()
+{
+	$TMUX kill-server >/dev/null 2>&1
+	$TMUX2 kill-server >/dev/null 2>&1
+	rm -f "$TRIGGER"
+
+	$TMUX new-session -d -s inner -x 200 -y 50 "$1" || exit 1
+	$TMUX set -g status off || exit 1
+	$TMUX set -g automatic-rename off || exit 1
+	$TMUX set -g window-size largest || exit 1
+}
+attach()
+{
+	$TMUX2 new-session -d -s big -x "${1%x*}" -y "${1#*x}" 'sleep 100' ||
+	    exit 1
+	$TMUX2 set -g status off || exit 1
+	$TMUX2 set -g window-size manual || exit 1
+	$TMUX2 new-session -d -s small -x "${2%x*}" -y "${2#*x}" 'sleep 100' ||
+	    exit 1
+	$TMUX2 respawn-pane -k -t big:0.0 "$TMUX attach -t inner" || exit 1
+	sleep 0.5
+	$TMUX2 respawn-pane -k -t small:0.0 "$TMUX attach -t inner" || exit 1
+	sleep 1
+	$TMUX has-session 2>/dev/null || fail "server exited on attach"
+	SMALL=$($TMUX list-clients -F '#{client_width} #{client_name}' |
+	    sort -n | head -n 1 | cut -d' ' -f2)
+}
+alive()
+{
+	$TMUX has-session 2>/dev/null || fail "server exited: $1"
+}
+
+# A clear below the cursor in a pane wider than the small client's view.
+start "sh -c 'while [ ! -e $TRIGGER ]; do sleep 0.1; done
+	printf \"\\033[J\"; exec sleep 100'"
+attach 167x49 40x12
+: >"$TRIGGER"
+sleep 1
+alive "clear in a pane wider than the client"
+
+# Output in the right pane of a split, cut off on the right.
+start 'sleep 100'
+$TMUX split-window -h -d "sh -c 'while [ ! -e $TRIGGER ]; do sleep 0.1; done
+	printf ab; exec sleep 100'" || exit 1
+attach 120x30 80x30
+: >"$TRIGGER"
+sleep 1
+alive "output in a pane cut off on the right"
+
+# A nonzero pane offset is clipped at both sides of a panned viewport.
+start 'sleep 100'
+$TMUX split-window -h -d -l 100 "sh -c 'while [ ! -e $TRIGGER ]; do sleep 0.1; done
+	printf \"%010d\" 0 | sed s/0/0123456789/g; exec sleep 100'" || exit 1
+attach 200x30 40x30
+$TMUX refresh-client -t "$SMALL" -R 120 || exit 1
+sleep 0.5
+: >"$TRIGGER"
+sleep 1
+alive "panned pane without side status"
+$TMUX2 capture-pane -p -t small:0.0 >"$CAPTURE" || exit 1
+row=$(head -n 1 "$CAPTURE")
+[ "$row" = 0123456789012345678901234567890123456789 ] ||
+    fail "panned row is '$row'"
+exit 0