t += """
Examples:
% cat FILE | tahoe put # create unlinked file from stdin
- % cat FILE | tahoe - # same
+ % cat FILE | tahoe put - # same
% tahoe put bar # create unlinked file from local 'bar'
% cat FILE | tahoe put - FOO # create tahoe:FOO from stdin
% tahoe put bar FOO # copy local 'bar' to tahoe:FOO