sync code with last improvements from OpenBSD

lib/libX11/man/xkb/XkbLockGroup.man

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+'\" t
+.\" Copyright 1999 Oracle and/or its affiliates. All rights reserved.
+.\"
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+.\" The above copyright notice and this permission notice (including the next
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+.\"
+.TH XkbLockGroup __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
+.SH NAME
+XkbLockGroup \-  Locks the keysym group
+.SH SYNOPSIS
+.HP
+.B Bool XkbLockGroup
+.BI "(\^Display *" "display" "\^,"
+.BI "unsigned int " "device_spec" "\^,"
+.BI "unsigned int " "group" "\^);"
+.if n .ti +5n
+.if t .ti +.5i
+.SH ARGUMENTS
+.TP
+.I display
+connection to the X server 
+.TP
+.I device_spec
+device ID, or XkbUseCoreKbd
+.TP
+.I group
+index of the keysym group to lock
+.SH DESCRIPTION
+.LP
+.I XkbLockGroup 
+sends a request to the server to lock the specified 
+.I group 
+and does not wait for a reply. It returns True if the request was sent and 
+False otherwise.
+
+Reference the keysym group indices with these symbolic constants:
+
+.TS
+c s
+l l
+l l.
+Table 1 Symbolic Group Names
+_
+Symbolic Name	Value
+_
+XkbGroup1Index	0
+XkbGroup2Index	1
+XkbGroup3Index	2
+XkbGroup4Index	3
+.TE
+.SH "RETURN VALUES"
+.TP 15
+True
+The 
+.I XkbLockGroup
+function returns True when a request was sent to the server to lock the 
+specified 
+.I group
+and does not wait for a reply.
+.TP 15
+False
+The 
+.I XkbLockGroup
+function returns False if the request was not sent.
+