+# For ksh: alias echo to 'print -r'.
+if test -z "$have_echo" \
+ && (type print) >/dev/null 2>&1; then
+ # A 'print' command exists.
+ if type print 2>/dev/null | grep / > /dev/null; then
+ :
+ else
+ # 'print' is a shell built-in.
+ if (print -r '\told' | grep told > /dev/null) 2>/dev/null; then
+ # 'print' is the ksh shell built-in.
+ alias echo='print -r'
+ fi
+ fi
+fi
+if test -z "$have_echo" \
+ && echo '\t' | grep t > /dev/null; then
+ have_echo=yes
+fi