Switch to side-by-side view

--- a/.hgtags
+++ b/.hgtags
@@ -149,3 +149,4 @@
 0000000000000000000000000000000000000000 RECOLL_1_20_0
 67f558e667ad83a2c53fc9de6a9f0a61ff2ff2f9 RECOLL_1_20_0
 4f02303357df7c5dc0b94ca67f81c480caf2f0d4 RECOLL_1_19_10
+54bcbacf949752733dde42d3ad6ae48cea6f5c64 RECOLL_1_19_11