Do not check for latest client in callback since the type may be latest
but with no window, fixes new-session -x and -y with another attached
client. GitHub issue 4268.

Do not notify window-layout-changed if the window is about to be
destroyed (since it may have been freed by the time the notify happens),
from Romain Francoise in GitHub issue 3860.

Add a window-resized hook which is fired when the window is actually
resized which may be later than the client resize, GitHub issue 2995.

Ignore windows without a size set (may be used for pane only), from
Anindya Mukherjee.

Do not dereference NULL window when resizing client, GitHub issue 2982.

Allow control mode clients to set a hard limit on the window width and
height, GitHub issue 2594.

Improve some logging.

Ignore client creating session when working out size if it is a control
client.

Do not count client (and crash) if no window.

Include current client in size calculation for new sessions, GitHub
issue 2662.

Tidy the resize code, merge some common bits and add some comments. From
"Mike" in GitHub issue 2392.

Add support for pausing a pane when the output buffered for a control
mode client gets too far behind. The pause-after flag with a time is set
on the pane with refresh-client -f and a paused pane may

Add support for pausing a pane when the output buffered for a control
mode client gets too far behind. The pause-after flag with a time is set
on the pane with refresh-client -f and a paused pane may be resumed with
refresh-client -A. GitHub issue 2217.

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Move lazy resize from the pane to the window, there is no point in
resizing the window unless it is the current window, and if we do and
don't resize the pane until later there are problems if the si

Move lazy resize from the pane to the window, there is no point in
resizing the window unless it is the current window, and if we do and
don't resize the pane until later there are problems if the size changes
from A to B then back to A.

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Change the existing client flags for control mode to apply for any
client, use the same mechanism for the read-only flag and add an
ignore-size flag.

refresh-client -F has become -f (-F stays for ba

Change the existing client flags for control mode to apply for any
client, use the same mechanism for the read-only flag and add an
ignore-size flag.

refresh-client -F has become -f (-F stays for backwards compatibility)
and attach-session and switch-client now have -f flags also. A new
format "client_flags" lists the flags and is shown by list-clients by
default.

This separates the read-only flag from "ignore size" behaviour (new
ignore-size) flag - both behaviours are useful in different
circumstances.

attach -r and switchc -r remain and set or toggle both flags together.

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If ALL clients are readonly, allow them to affect the size, suggested by Thomas Sattler.

Add a define for flags meaning a client is not attached, and fix
unattached counter, reported by Thomas Sattler.

If a window appears in only one attached session, there is no point in
worrying about which is the latest client (there is only one).

Make a best effort to set xpixel and ypixel for each pane and add
formats for them.

Use the correct size for new windows when window-size is latest,
reported by Vamsi Krishna Avula in GitHub issue 1917.

Add a "latest" window-size option which tries to size windows based on
the most recently used client. From Tommie Gannert in GitHub issue 1869
based on earlier changes from me.

Do not reduce window height by status line height for control mode
clients, from George Nachman.

Set the window size as well as the layout size when using the preset
layouts.

Tidy and rename some bits of status line code.

Fix resizing of control clients, should be ignored until SIZECHANGED flag set.

Fix sense of aggressive-resize flag.