How does one look at his/her previous posts or those of other users on this forum? It seems very incomplete when I use the obvious search functions. There also seems to me no option to view all previous posts of a given user, including oneself, in chronological order. Am I missing something?
no, you're not missing anything. the only way to search the forum properly is through google, by limiting the search to urbantoronto. eg:
site:urbantoronto.ca "rob ford" deathsilver
you can then limit the search further by setting a custom range for the dates through the search tools: last 24 hours, past week, past month, between April and August 2014 or whatever....