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+?RCS: $Id: rcs_branch.U,v 3.0 1993/08/18 12:09:40 ram Exp $
+?RCS: Copyright (c) 1991-1993, Raphael Manfredi
+?RCS: You may redistribute only under the terms of the Artistic Licence,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic Licence; a copy of which may be found at the root
+?RCS: of the source tree for dist 3.0.
+?RCS: $Log: rcs_branch.U,v $
+?RCS: Revision 3.0 1993/08/18 12:09:40 ram
+?RCS: Baseline for dist 3.0 netwide release.
+?MAKE:rcs_branch: Myread contains Loc
+?MAKE: -pick add $@ %<
+?S: This variable will hold "true" if rcs can take the -b<revision>
+?S: option, which can make Life Easier on those folks who like to run
+?S: rcsdiff manually.
+: Tra la la la la
+echo " "
+echo "Checking to see if RCS understands the -b switch..." >&4
+xxx=`./loc rcs '' $pth`
+case "$xxx" in
+ rcs_branch=false
+ echo "Oh. You don't seem to have RCS here."
+ ;;
+ rcs > rcsbranch.out 2>&1
+ if $contains 'b\[rev\]' rcsbranch.out >/dev/null 2>&1 ; then
+ rcs_branch=true
+ echo "Nice! Your RCS is spiffy!"
+ else
+ rcs_branch=false
+ echo "Well, at least you have RCS. You know, a newer version is available."
+ fi
+ ;;