-all ...Discard current summary and update all message.
-all-visible ...Discard current summary and update all visible message.
-update ...Update the difference between summary and the folder itself.
-rescan ...Rescan the msgdb and display again.
-rescan-noscore ...Rescan the msgdb and display again (without scoring).
-cache-status ...Sync the all marks with the real status of cache.
-first, last ...Move to the filter folder(partial filter).
+all Discard present msgdb and retrieve all informations.
+ Do not retrieve killed messages.
+all-entirely Discard present msgdb and retrieve all informations.
+ Retrieve killed messages, too.
+update Update the difference between informations in present
+ msgdb and in current folder instance.
+ Do not retrieve killed messages.
+update-entirely Update the difference between informations in present
+ msgdb and in current folder instance.
+ Retrieve killed messages, too.
+rescan Redisplay summary by rescanning present msgdb.
+rescan-noscore Redisplay summary by rescanning present msgdb.
+ Display messages killed by score, too.
+cache-status Sync the all marks with the real status of cache.
+mark Update marks.
+no-sync Do nothing.
+first:NUM Move to the filter folder(partial filter).
+last:NUM Move to the filter folder(partial filter).