Update tests for fix to floating panes at window edges.

regress/screen-redraw-floating.sh

@@ -125,6 +125,13 @@ new_scene 28 8
 $TMUX2 new-pane -x16 -y5 -X18 -Y4 "sh -c 'printf OUT; exec sleep 100'" || exit 1
 compare floating-outside
 
+# Floating pane whose right border is exactly on the window right edge. The
+# floating pane is clipped so the tiled pane's right border remains unbroken.
+new_scene 28 8
+$TMUX2 respawnp -k "sh -c 'i=0; while [ \$i -lt 8 ]; do printf \"%02d:abcdefghijklmnopq\n\" \$i; i=\$((i + 1)); done; exec sleep 100'" || exit 1
+$TMUX2 new-pane -x10 -y5 -X19 -Y2 "sh -c 'printf EDGE; exec sleep 100'" || exit 1
+compare floating-clip-window-edge
+
 # Floating pane clipped at the top-left corner (negative offsets).
 new_scene 40 12
 $TMUX2 new-pane -x18 -y6 -X-4 -Y-2 "sh -c 'printf TL; exec sleep 100'" || exit 1

regress/screen-redraw-results/floating-clip-window-edge.result

@@ -0,0 +1,12 @@
+01:abcdefghijklmnopq        │···········
+02:abcdefghijklmnopq        │···········
+03:abcdefghijklmnop┌────────│···········
+04:abcdefghijklmnop│EDGE    │···········
+05:abcdefghijklmnop│        │···········
+06:abcdefghijklmnop│        │···········
+07:abcdefghijklmnop└────────│···········
+                            │···········
+────────────────────────────┘···········
+········································
+········································
+········································

regress/screen-redraw-results/floating-outside.result

@@ -6,7 +6,7 @@ base                        │···········
                   │OUT      │···········
                   │         │···········
                   │         │···········
-──────────────────└─────────┘···········
+────────────────────────────┘···········
 ········································
 ········································
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