Merge branch 'blead' of ssh://perl5.git.perl.org/gitroot/perl into blead

* 'blead' of ssh://perl5.git.perl.org/gitroot/perl:
  Warn people not to set PERL_CORE in XS
  In embed.fnc the 'E' flag should imply 'X', but doesn't.
  revise perldelta note on strict and lax version rules
  expand flag descriptions in in embed.fnc
  alphabetically sort flag descriptions in embed.fnc
  [perl #72156]: substitute `less -R' for `less' for groff's new usage
  INSTALL doc fix: calling the test suite using -MTestInit changed since it moved to top level (which happened in commit 30b6e59101b252c20a6b50b95203d1e2c6016604)
  changed "an UTF..." to "a UTF..." in all Pods

1 files changed, 9 insertions, 0 deletions

diff --git a/Configure b/Configure
index 8d93a3316e..d9397bf2ad 100755
--- a/Configure
+++ b/Configure
@@ -2438,6 +2438,15 @@ for file in $trylist; do
 		;;
 	esac
 done
+case "$less" in
+'')	;;
+*)	if $less -R </dev/null >/dev/null; then
+		echo "Substituting less -R for less."
+		less="$less -R"
+		_less=$less
+	fi
+	;;
+esac
 case "$egrep" in
 egrep)
 	echo "Substituting grep for egrep."