+ % cvs update -r t-gnus-6_17-quimby gnus
+
+Major tags are following:
+
+ t-gnus-6_17-quimby Assigned to the latest version of T-gnus for
+ developing and synchronizing with Gnus.
+
+ t-gnus-6_17 Assigned to the latest version of T-gnus for
+ developing and synchronizing with the released
+ version of Gnus.
+
+ pgnus-ichikawa The main trunk of T-gnus.
+
+ semi-gnus Assigned to the latest stable version. It is
+ very conservative. Currently it is not used.
+
+ for-semi-N1_N2 assigned to the latest stable version for SEMI
+ API N1.N2 (N1 and N2 are natural number).
+ (e.g. `for-semi-1_3' is for SEMI API 1.3)