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	Add a format client_prefix which is 1 if prefix key has been
pressed, used for example #{?client_prefix,X,Y}. Also a few extra
server_client_status needed.
			
			
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								format.c
									
									
									
									
									
								
							@@ -251,10 +251,11 @@ format_expand(struct format_tree *ft, const char *fmt)
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					continue;
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				}
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			}
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			while (len - off < 2) {
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			while (len - off < 3) {
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				buf = xrealloc(buf, 2, len);
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				len *= 2;
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			}
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			buf[off++] = '#';
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			buf[off++] = ch;
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			continue;
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		}
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@@ -321,6 +322,8 @@ format_client(struct format_tree *ft, struct client *c)
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	*strchr(tim, '\n') = '\0';
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	format_add(ft, "client_activity_string", "%s", tim);
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	format_add(ft, "client_prefix", "%d", !!(c->flags & CLIENT_PREFIX));
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	if (c->tty.flags & TTY_UTF8)
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		format_add(ft, "client_utf8", "%d", 1);
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	else
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@@ -418,6 +418,7 @@ server_client_handle_key(struct client *c, int key)
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	if (!(c->flags & CLIENT_PREFIX)) {
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		if (isprefix) {
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			c->flags |= CLIENT_PREFIX;
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			server_status_client(c);
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			return;
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		}
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@@ -432,6 +433,7 @@ server_client_handle_key(struct client *c, int key)
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	/* Prefix key already pressed. Reset prefix and lookup key. */
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	c->flags &= ~CLIENT_PREFIX;
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	server_status_client(c);
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	if ((bd = key_bindings_lookup(key | KEYC_PREFIX)) == NULL) {
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		/* If repeating, treat this as a key, else ignore. */
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		if (c->flags & CLIENT_REPEAT) {
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@@ -587,8 +589,11 @@ server_client_repeat_timer(unused int fd, unused short events, void *data)
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{
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	struct client	*c = data;
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	if (c->flags & CLIENT_REPEAT)
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	if (c->flags & CLIENT_REPEAT) {
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		if (c->flags & CLIENT_PREFIX)
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			server_status_client(c);
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		c->flags &= ~(CLIENT_PREFIX|CLIENT_REPEAT);
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	}
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}
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/* Check if client should be exited. */
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