Switch to side-by-side view

--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -585,7 +585,7 @@
 filters/rcllatinstops.zip \
 filters/rcllyx \
 filters/rclman \
-filters/rclmpdf.py \
+filters/rclpdf.py \
 filters/rclokulnote \
 filters/rclopxml.py \
 filters/rclppt.py \