;# Usage: &look(*FILEHANDLE,$key,$dict,$fold)
+#
+# This library is no longer being maintained, and is included for backward
+# compatibility with Perl 4 programs which may require it.
+# This legacy library is deprecated and will be removed in a future
+# release of perl.
+#
+# In particular, this should not be used as an example of modern Perl
+# programming techniques.
+
+warn( "The 'look.pl' legacy library is deprecated and will be"
+ . " removed in the next major release of perl." );
;# Sets file position in FILEHANDLE to be first line greater than or equal
;# (stringwise) to $key. Pass flags for dictionary order and case folding.