Fix perltidy conf

.perltidyrc

@@ -0,0 +1,18 @@
+# -*- conf -*-
+#
+# Default options for perltidy for proper Perl code reformatting.
+#
+# This file is based on the one from the rra-c-util package,
+# which can be found at <https://www.eyrie.org/~eagle/software/rra-c-util/>.
+
+--nobreak-before-all-operators
+--blanks-before-comments
+--nocuddled-else
+--maximum-line-length=79
+--paren-tightness=1
+--square-bracket-tightness=1
+--space-for-semicolon
+--noopening-brace-on-new-line
+--stack-opening-tokens
+--nostack-closing-tokens
+--format-skipping

Makefile

@@ -1098,7 +1098,7 @@ test-diff:
 	done
 
 tidy: clean
-	find lemon*/ -type f \( -name '*.pm' -or -name '*.pl' -or -name '*.fcgi' -or -name '*.t' \) -print -exec perltidy -b {} \;
+	find lemon*/ -type f \( -name '*.pm' -or -name '*.pl' -or -name '*.fcgi' -or -name '*.t' \) -print -exec perltidy -se -b {} \;
 	find lemon*/ -name '*.bak' -delete
 	$(MAKE) json