del.icio.us - sending to another del.icio.us account

From the Social Bookmarking Bibliography PDF, I went to Brown, Rebecca’s Social Bookmarking presentation:
https://webmeeting.nih.gov/p21582217/

Rebecca demonstrated how in the tags one can type
for: [name_of_del.icio.us_account]
and it will send it to the specified del.icio.us account