+
+# Find a 'tr' program that supports character ranges in the POSIX syntax.
+# Solaris /usr/bin/tr does not.
+if test -f /usr/xpg6/bin/tr; then
+ TR=/usr/xpg6/bin/tr
+else
+ if test -f /usr/xpg4/bin/tr; then
+ TR=/usr/xpg4/bin/tr
+ else
+ TR=tr
+ fi
+fi
+