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tty: Add option to forward unrequested escape sequence
Adds an option "forward-unrequested-escseq" for tmux to forward unrequested escape sequences to the client. For example, when an OSC 52 escape sequence is received outside a designated TTY_OSC52QUERY context, it will be passed on to the client application if the option is on, otherwise it's discarded.
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@@ -1339,8 +1339,10 @@ tty_keys_clipboard(struct tty *tty, const char *buf, size_t len, size_t *size)
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end--;
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/* If we did not request this, ignore it. */
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if (~tty->flags & TTY_OSC52QUERY)
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return (0);
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if (~tty->flags & TTY_OSC52QUERY) {
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return options_get_number(global_options,
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"forward-unrequested-escseq") ? (-1) : (0);
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}
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tty->flags &= ~TTY_OSC52QUERY;
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evtimer_del(&tty->clipboard_timer);
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