+if test "${LESSMETACHARS+set}" != set; then
+ # Work around a bug in less 394 and earlier;
+ # it mishandles the metacharacters '$%=~'.
+ space=' '
+ tab=' '
+ newline='
+'
+ LESSMETACHARS="$space$tab$newline'"';*?"()<>[|&^`#\$%=~'
+ export LESSMETACHARS
+fi
+
+less_version=`less -V` || exit
+case $less_version in
+'less 429
+'* | 'less '4[3-9][0-9]* | 'less '[5-9][0-9][0-9]* | 'less '[1-9][0-9][0-9][0-9]*)
+ use_input_pipe_on_stdin='-';;
+*) use_input_pipe_on_stdin='';;
+esac
+
+LESSOPEN="|${use_input_pipe_on_stdin}gzip -cdfq -- %s"
+export LESSOPEN
+