Merge branch '21-misc-cleanup' into 23-more-dotcode
Merge branch '21-misc-cleanup' into 23-more-dotcode
document rep gives unshared result
mention only default method for rep guaranteed to produce unshared reslt
Merge branch '23-more-dotcode' into 24
Merge branch '23-seq-rep' into 24
Merge branch '24' into 24-new-news